16th week of 2011 patent applcation highlights part 18 |
Patent application number | Title | Published |
20110090949 | Multi-Channel Video Communication Method And System - A multi-channel video communication method which includes: detecting network status information and attributes of at least two remote clients, and establishing a video communication connection; selecting a video encoding parameter corresponding to each remote client according to the network status information and the attributes of each remote client; encoding raw video data according to the video encoding parameter respectively, and transmitting respectively encoded video bit-stream to each corresponding remote client. In the multi-channel video communication method, the video encoding parameter corresponding to each remote client may be selected according to the network status information and attributes of each remote client. | 2011-04-21 |
20110090950 | SYSTEM AND METHOD FOR ENHANCING DATA COMPRESSION USING DYNAMIC LEARNING AND CONTROL - A data compression system and method for achieving enhanced compression performance in a plurality of encoder-decoder pairs communicatively coupled in a concatenated chain is disclosed. The plurality of encoder-decoder pairs receive input data and transform the input data into compressed output data. The data compression system includes at least one quality estimator communicatively coupled to the concatenated chain to determine a plurality of quality metrics corresponding to an output from each of the plurality of encoder-decoder pairs. Further, the data compression system also includes a processing subsystem configured to optimize the operation of each of the plurality of encoder-decoder pairs based upon the plurality of quality metrics to achieve a desired level of optimization for the concatenated chain. | 2011-04-21 |
20110090951 | METHOD FOR SELECTING CONTENT ADAPTIVE CODING MODE - Method for selecting content adaptive coding mode is disclosed. The method can apply a critical value to update by taking the advantages of a content adaptive MCTF update method and a covered pixel detection algorithm and, at the same time, improve the image quality by selecting a block having improper motion information and converting it into a coding in screen mode. The method also provides a method for selecting content adaptive coding mode that can improve the conventional MCTF algorithm by reusing JND, which is used in content adaptive MCTF, to find a block that has improper coding information and selecting a block that has improper motion information. | 2011-04-21 |
20110090952 | Directional Transforms for Video and Image Coding - A bitstream includes a sequence of frames. Each frame is partitioned into encoded blocks. For each block, a set of paths is determined at a transform angle determined from a transform index in the bitstream. Transform coefficients are obtained from bitstream. The transform coefficients include one DC coefficient for each path. An inverse transform is applied to the transform coefficients to produce a decoded video. | 2011-04-21 |
20110090953 | BUDGET ENCODING - A method includes receiving streaming media data having a media frame and a frame index referencing the media frame; allocating a frame budget for an output media frame by estimating a frame size of the output media frame based on the frame index; generating the output media frame in real-time by processing the media frame based on first processing parameters and, if the allocated frame budget is greater than a frame size of the processed media frame, padding the processed media frame; and providing the output media frame. | 2011-04-21 |
20110090954 | Video Codes with Directional Transforms - An encoded video in the form of a bitstream includes a sequence of frames, and each frame is partitioned into encoded blocks. A context for decoding is selected for each encoded block. The bitstream is entropy decoded based on the context to obtain a transform indicator difference. The transform index, which indicates a transform type and a transform direction, is based on the transform indicator difference and a predicted transform indicator. Transform coefficients are obtained from the bitstream, and inverse transformed according to the transform index to produce a decoded video. | 2011-04-21 |
20110090955 | Predictive Adaptive Scan Ordering for Video Coding - An apparatus comprising an inter-prediction motion compensation unit, a transform unit coupled to the inter-prediction motion compensation unit, a quantization unit coupled to the transform unit such that the transform unit is positioned between the inter-prediction motion compensation unit and the quantization unit, a scanning unit coupled to the quantization unit such that the quantization unit is positioned between the transform unit and the scanning unit, and an adaptive scan order predictor unit coupled to the inter-prediction motion compensation unit, the quantization unit, and the scanning unit. An apparatus comprising an entropy decoding unit, an inverse scanning unit coupled to the entropy decoding unit, an inverse quantization unit coupled to the inverse scanning unit such that the inverse scanning unit is positioned between the entropy coding unit and the inverse quantization unit, and an adaptive scan order predictor unit coupled to the entropy decoding unit and the inverse scanning unit. | 2011-04-21 |
20110090956 | COMPRESSION METHOD USING ADAPTIVE FIELD DATA SELECTION - A compression method using adaptive field data selection is able to compress video or other data while retaining quality. By determining if pixels in a field are able to be predicted, the method is able to retain the information that is not able to be predicted and predict the other information. The method enables significant compression of the data which allows larger data such as high definition videos to be compressed and effectively used. | 2011-04-21 |
20110090957 | VIDEO CODEC METHOD, VIDEO ENCODING DEVICE AND VIDEO DECODING DEVICE USING THE SAME - A video codec method synchronizes long term reference frames in a video encoding device and a video decoding device of a video communication system. The video encoding device encodes video frames to code streams in an inter-prediction mode and set the corresponding reference frames to non-committed long term reference frames. The video decoding device decodes the code streams using the corresponding reference frames, then transmits an acknowledgement of the non-committed long term reference frames to the video encoding device. The video encoding device sets the non-committed long term reference frames to committed long term reference frames, and encodes succeeding video frames in the inter-prediction mode using the committed long term reference frames. | 2011-04-21 |
20110090958 | NETWORK ABSTRACTION LAYER (NAL)-AWARE MULTIPLEXER WITH FEEDBACK - Advanced multiplexing methods and apparatus that are especially useful in multiplexing variable bit rate input video streams onto a fixed bandwidth output stream with minimum effect on video quality are described. A multiplexer provides feedback to a stagger transmitter to help it maintain its output bit rate. In addition, the stagger transmitter parses Network Abstraction Layers (NALs) from the given streams and makes decisions on which NALs to forward to the MUX. | 2011-04-21 |
20110090959 | BIT-DEPTH SCALABILITY - To increase efficiency of a bit-depth scalable data-stream an inter-layer prediction is obtained by mapping samples of the representation of the picture or video source data with a first picture sample bit-depth from a first dynamic range corresponding to the first picture sample bit-depth to a second dynamic range greater than the first dynamic range and corresponding to a second picture sample bit-depth being higher than the first picture sample bit-depth by use of one or more global mapping functions being constant within the picture or video source data or varying at a first granularity, and a local mapping function locally modifying the one or more global mapping functions and varying at a second granularity smaller than the first granularity, with forming the quality-scalable data-stream based on the local mapping function such that the local mapping function is derivable from the quality-scalable data-stream. | 2011-04-21 |
20110090960 | Rate Control Model Adaptation Based on Slice Dependencies for Video Coding - Statistics for estimating quantization factors of a coding-unit type (e.g., B-coded or I-coded) pictures are determined from other, possibly different (e.g., P-coded) pictures, or previously coded coding-units. Bit rate and quality relationships between such coding-unit types may be used with the quantization parameters. Estimating bit rate and quality relationships between coding-unit types enables accurate rate control for pictures regardless of their coding-unit type. Bit rate and quality relationships between coding-unit types can be used with multiple rate control models to increase compression. Rate control parameters may be adjusted with statistics generated by a motion estimation and compensation framework. Rate control performance may be controlled in transcoding compressed bit streams. | 2011-04-21 |
20110090961 | METHOD AND APPARATUS FOR ADAPTIVE QUANTIZATION IN DIGITAL VIDEO CODING - The invention relates to adjusting the quantization parameter in digital video coding. A shift value (QP Shift) is used to adjust the quantization parameter. The shift value is determined in a determining step | 2011-04-21 |
20110090962 | EFFECTIVE ERROR CONCEALMENT IN REAL-WORLD TRANSMISSION ENVIRONMENT - Presented herein are system(s), method(s), and apparatus for effective error concealment in real-world video transmission environments. In one embodiment, there is described a method for concealing errors in video data. The method comprises detecting whether a slice group in a picture contains errors; and replacing the slice group in the picture with a slice group of a most recent intra-coded picture if the slice group contains errors. | 2011-04-21 |
20110090963 | METHOD AND APPARATUS FOR ZOOM MOTION ESTIMATION - In accordance with an example embodiment of the present invention, the present invention provides method and apparatus for motion compensated prediction. Apart from translational motion, zoom motion is taken into account by sampling an interpolated frame with one or more selected sampling rates to generate one or more zoom reference frames; matching a frame with the zoom reference frames; and determining one or more motion data. | 2011-04-21 |
20110090964 | METHODS AND APPARATUS FOR ADAPTIVELY CHOOSING A SEARCH RANGE FOR MOTION ESTIMATION - Systems, methods, and computer program products that can be used to determine a search range (SR) when performing motion estimation at, for example, a video encoder or decoder. Determining a motion vector for a current block during motion estimation may involve searching within a search window that may reside in a reference frame, or in a previously decoded block that spatially or temporally neighbors the current block. Such a search seeks a motion vector that minimizes a metric, such as a sum of absolute differences between corresponding blocks of reference frames. A motion vector that minimizes such a metric may be a good candidate for use in motion estimation. The search may become more efficient if a search range is determined such that the extent of the search is bounded. A search range may be determined at the block level or at the picture level. | 2011-04-21 |
20110090965 | Generation of Synchronized Bidirectional Frames and Uses Thereof - A digital video processing method implementable on an apparatus, comprising performing on a reconstructed digital video frame, by a processor, a transform | 2011-04-21 |
20110090966 | VIDEO PREDICTIVE CODING DEVICE AND VIDEO PREDICTIVE DECODING DEVICE - According to one embodiment, a video coding device includes: a bi-directional predictor that generates a predicted image of an image to be coded by using a reference image, which includes a decoded image of a bi-directionally predictive coded image, and motion vector information; and a coder that codes a prediction error between the image to be coded and the predicted image. The bi-directional predictor generates the predicted image while switching a plurality of arithmetic methods that use different rounding methods. | 2011-04-21 |
20110090967 | IMAGE-ENCODING METHOD AND A DEVICE THEREFOR, AND IMAGE-DECODING METHOD AND A DEVICE THEREFOR - An image encoding method is provided, in which image data divided into basic blocks is classified in units of groups and subgroups, wherein each group comprises at least one basic block and each subgroup comprises at least one basic block and is included in each group; an encoding mode for a predetermined group is determined in order to encode the predetermined group, wherein the encoding mode represents a mode for encoding data included in the predetermined group in units of one data processing unit selected from a group, a subgroup, and a basic block; and the data of the predetermined group is encoded according to the determined encoding mode. Detailed operations in the image encoding method are performed in consideration of the encoding mode of the group. | 2011-04-21 |
20110090968 | Low-Cost Video Encoder - A method for encoding a new unit of video data includes: (1) incrementally, in raster order, decoding blocks within a search window of a unit of encoded reference video data into a reference window buffer, and (2) encoding, in raster order, each block of the new unit of video data based upon a decoded block of the reference window buffer. A system for encoding a new unit of video data includes a reference window buffer, a decoding subsystem, and an encoding subsystem. The decoding subsystem is configured to incrementally decode, in raster order, blocks within a search window of a unit of encoded reference video data into the reference window buffer. The encoding subsystem is configured to encode, in raster order, each block of the new unit of video data based upon a decoded block of the reference window buffer. | 2011-04-21 |
20110090969 | METHOD AND APPARATUS FOR DECODING VIDEO SIGNAL - A method and apparatus for decoding a video signal are disclosed. A method for decoding a video signal includes obtaining block type information of a current block, confirming a prediction mode of the current block based on the block type information, obtaining, if the prediction mode of the current block is an intra prediction mode according to the prediction mode, at least one correlation parameter information using at least one neighboring pixel of the current block, obtaining an intra prediction value of the current block using the correlation parameter information, and reconstructing the current block using the intra prediction value of the current block. | 2011-04-21 |
20110090970 | TERMINAL AND RELAY NODE FOR VIDEO CONFERENCE SYSTEM - A terminal, a relay node, and a stream processing method for a video conference system may be provided. A transmitting terminal may receive media data, generate elementary streams from the media data, generate a transport stream by multiplexing the elementary streams, and transmit the transport stream to a relay node associated with a first receiving terminal among receiving terminals. | 2011-04-21 |
20110090971 | DOPPLER ESTIMATOR FOR OFDM SYSTEMS - A method of estimating the Doppler spread of a communication channel includes computing a first sum defined by a difference between the pilot tones of a first group of N symbols and a corresponding pilot tones of a second group of N symbols preceding the first group of N symbols, computing a second sum defined by the pilot tones of the second group of N symbols, and computing a ratio of the first sum and the second sum for each of the N symbols of the first and second group of symbols to generate N ratios representative of the Doppler spread of the channel. The first sum is further defined by the square of the difference between the pilot tones of the first group of N symbols and the corresponding pilot tones of the second group of N symbols. | 2011-04-21 |
20110090972 | BLIND SLM AND PTS METHOD WITH LOW DECODING COMPLEXITY OF OFDM SIGNALS - Disclosed is a BSLM method of generating U independent alternative symbol sequences by changing a phase of symbol sequences by phase sequences and transmitting the alternative symbol sequences with a PAPR to lower the PARR of a transmission signal of a transmitter in an OFDM system. The transmitter uses m-sequences as the phase sequence and a receiver uses an ML decoder to distinguish the phase sequence. The BSLM method includes rotating phases in blocks according to the m-sequences used in the respective symbol sequences, selecting a signal sequence with a minimum PAPR among U alternative signal sequences generated by the m-sequences in the transmitter, and partitioning U alternative symbol sequences into U/2 blocks in the transmitter. Block partitioning and predetermined phase rotation are used to embed side information in an alternative signal sequence, and the BSLM scheme may be extended to a BPTS. Since low decoding complexity is given while detecting side information, the same BER performance is obtained as that of the conventional BSLM scheme in the AWGN channel. | 2011-04-21 |
20110090973 | SYSTEM AND METHOD FOR SYMBOL BOUNDARY DETECTION IN ORTHOGONAL FREQUENCY DIVISON MULTIPLEXING BASED DATA COMMUNICATION - A method for determining a symbol boundary of a data packet of a received signal, where the data packet includes a first training field, a guard interval, and a second training field. The received signal is sampled to obtain multiple samples. A first symbol boundary estimate is determined using one or more block auto-correlation values. Thereafter, a second symbol boundary estimate is determined based on the first symbol boundary estimate and using one or more cross-correlation values. The second symbol boundary estimate then is shifted using moving average auto-correlation values for the samples in the vicinity of the second symbol boundary estimate to obtain an accurate symbol boundary estimate. | 2011-04-21 |
20110090974 | Scheduling Collaborative Uplink Transmissions in OFDMA Systems Using Multipath Direction of Arrival Analysis - Techniques are provided for receiving uplink transmissions at a plurality of antennas at a base station from a plurality of client stations. Uplink spatial transmissions are analyzed to produce a plurality of direction of arrival (DOA) components associated with the plurality of client stations. The DOA components associated with the plurality of client stations are compared and two or more client stations are selected to participate in an uplink collaborative spatial multiplexing transmission session based on dissimilarities of their DOA components. | 2011-04-21 |
20110090975 | OFDM inter-carrier interference cancellation method - The OFDM channel estimation and Inter-Carrier Interference (ICI) cancellation method uses a few pilots within Orthogonal Frequency Division Multiplexing (OFDM) systems in general, and mobile OFDM systems in particular. The frequency domain channel is estimated using an eigenvalue based model reduction technique with high accuracy. A Minimum Mean Square Error (MMSE) based Finite Impulse Response (FIR) equalizer is then used to obtain an ICI free estimate of the transmitted signal. | 2011-04-21 |
20110090976 | METHOD FOR TRANSMITTING BEAM FORMING INFORMATION AND A METHOD FOR TRACKING POSITION OF A MOBILE STATION IN MULTI INPUT MULTI OUTPUT SYSTEM USING CODEBOOK-BASED BEAM FORMING SCHEME - A method for transmitting feedback information in a codebook-based multiple-input multiple-output (MIMO) system is disclosed. For example, a method for transmitting beamforming information in a MIMO system using a codebook-based beamforming scheme includes receiving a signal and estimating a reception channel, and transmitting beamforming information selected through the estimated channel information from a codebook which is updated using phase shift matrices having a phase value as a parameter and using previous beamforming information. | 2011-04-21 |
20110090977 | METHODS FOR MAPPING AND DE-MAPPING DATA, TRANSMITTING DEVICE AND RECEIVING DEVICE - An apparatus and a method for mapping data and de-mapping data are provided. In the method, each modulated datum is mapped into two centrosymmetric Orthogonal Frequency Division Multiplexing (OFDM) subcarriers at the transmitting end, a certain functional transformation is performed on data in one of the two OFDM subcarriers, and original data may be restored at the receiving end according to data of the two centrosymmetric OFDM subcarriers. Exemplary embodiments of the invention also provide a transmitting device and a receiving device. By adopting embodiments of the invention, self-cancellation of interference among subcarriers may be implemented effectively, and the interference among subcarriers may be reduced. | 2011-04-21 |
20110090978 | METHOD, APPARATUS, AND SYSTEM FOR CHANNEL ESTIMATION - In the field of communications technologies, a method, an apparatus, and a system for channel estimation are provided. The method for channel estimation includes the following steps. An error signal returned by a terminal is received, where the error signal is an error signal of at least two tones in a downlink frequency band. Channels of the at least two tones are obtained according to the error signal. The channels of the at least two tones are interpolated, and channels of remaining tones in the downlink frequency band are obtained. In the method, the apparatus, and the system for channel estimation, a convergence speed of the channel estimation is improved by reducing data of error signals returned by the terminal. | 2011-04-21 |
20110090979 | MIDAMBLE ALLOCATIONS FOR MIMO TRANSMISSIONS - Allocation of multiple training sequences transmitted in a MIMO timeslot from multiple transmit antenna elements is provided. For example, a method of generating signals in a MIMO timeslot, the method comprising: selecting a first training sequence; preparing a first data payload; generating a first signal including the prepared first data payload and the first training sequence; transmitting the first signal in a MIMO timeslot from a first antenna of a network element; selecting a second training sequence, wherein the second training sequence is different from first training sequence; preparing a second data payload; generating a second signal including the prepared second data payload and the second training sequence; and transmitting the second signal in the MIMO timeslot from a second antenna of the network element. | 2011-04-21 |
20110090980 | CHANNEL INFORMATION PREDICTION SYSTEM AND CHANNEL INFORMATION PREDICTION METHOD - Provided is a channel information prediction system which uses a low ray element in a transformation MIMO CSI to calculate a first prediction filter coefficient. By using the obtained first prediction filter coefficient, the system executes a first prediction for predicting channel information upon a radio signal transmission in the future and suppresses a component of the ray contained in the low ray element. By using the low ray component in which the ray component is suppressed, the system executes a second prediction for predicting channel information upon a radio signal transmission in the future. | 2011-04-21 |
20110090981 | Method and Apparatus For Communication Site Planning - The present invention relates to a solution for determining wireless communication cell characteristics related to wireless MIMO transmission mode and dynamically selecting suitable communication transmission mode for certain parts of the wireless communication cell. The solution uses a flatness spectrum analysis of received impulse response from a plurality of measurement points in the cell using a plurality of antennas in a wireless network access gateway, e.g. a base station. | 2011-04-21 |
20110090982 | METHODS AND APPARATUS FOR DYNAMIC WIRELESS DEVICE COEXISTENCE - Methods and apparatus for dynamically compensating for the effects of interference between multiple wireless communications apparatus. In one embodiment, the method comprises providing a first wireless communication apparatus operating in a first band and a second wireless communication apparatus operating in the same first band (or proximate to the first band and with a comparatively high transmitter power), where the second wireless communication apparatus operates according to a different communication protocol than the first wireless communication apparatus and further change in physical configuration with respect to one another. Based on the physical configuration, interference is compensated for between the first wireless communication apparatus and the second wireless communication apparatus “on the fly” by selecting and operating according to one of a plurality of operational protocols. | 2011-04-21 |
20110090983 | TRANSMISSION STRATEGY IN MBSFN SUBFRAMES - Certain aspects of the present disclosure relate to techniques for adjusting transmission gap between Multicast Broadcast Single Frequency Network (MBSFN) symbols and non-MBFSN symbols within a MBSFN subframe. | 2011-04-21 |
20110090984 | SYSTEMS AND METHODS FOR PROVIDING ATC OVERLAY PROTOCOLS - An embodiment of the present invention sets forth a method for modulating a signal to include broadcast data, modulating the signal to include an overlay message comprising an address and data for an intended recipient, and transmitting the modulated signal including both the broadcast data and the overlay message including the address and data for the intended recipient. Another embodiment of the present invention sets forth a method for modulating a plurality of signal transmissions to include broadcast data, modulating the plurality of signal transmissions with an overlay message wherein the overlay message comprises a respective plurality of data segments, and transmitting the plurality of signal transmissions including both the broadcast data and the overlay message including the respective plurality of data segments. Further embodiments of the present invention set forth additional methods and related systems. | 2011-04-21 |
20110090985 | Method, Codebook, and Base Station for Precoding - A method, a codebook, and a Base Station (BS) for precoding are provided. The precoding method includes: obtaining a total uplink power of a User Equipment (UE); if the total uplink power is greater than ¾ of a rated total transmit power of antennas, selecting a codeword from a first codebook with imbalanced power between layers; otherwise, selecting a codeword from the first codebook and a second codebook with balanced power between layers, so as for precoding data to be transmitted according to the selected codeword. Thus, a loss of an antenna performance at a high signal-to-noise ratio is reduced, and the loss of the power amplification of the antenna is reduced if the transmit power of the antenna is restricted. | 2011-04-21 |
20110090986 | METHOD FOR TRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM - A data transmission method in a wireless communication system is provided. The method includes allocating a plurality of pilot resources for supporting pilot transmission through a plurality of antennas, and if there are residue pilot resources not used in the pilot transmission among the plurality of pilot resources, transmitting data by using the residue pilot resources. | 2011-04-21 |
20110090987 | APPARATUS FOR TRANSMISSION AND RECEPTION WITH TRANSMIT DIVERSITY USING CYCLIC SUBCARRIER SHIFT - Provided is a technology adopting multiple transmit antennas in a radio communication system. In a mobile communication system of a signal carrier frequency division multiple access (SC-FDMA) scheme, it is possible to transmit data using the multiple transmit antennas, while maintaining a peak to average power ratio (PAPR) to be low. Also, it is possible to provide a new transmit diversity transmission even in a general radio communication system including an orthogonal frequency division multiple access (OFDMA), a code division multiple access (CDMA) scheme, and the like. | 2011-04-21 |
20110090988 | APPARATUS AND METHODS FOR QAM MODULATION USING DUAL POLAR MODULATION - Apparatus and methods for QAM modulation are disclosed using dual polar modulation. QAM modulation of a signal is accomplished by translating a QAM signal into two phasors having the same or constant amplitude and then phase shifting one of the phasor by 180 degrees for a differential load. The phasors are then polar modulated such that, when differentially combined in the load through summation or superposition, a QAM modulated symbol results. The use of constant amplitude phasors when power amplified for transmission of QAM modulated signals allows amplifiers to be operated in a saturation mode with greater efficiency than conventional amplifiers used in QAM modulation, which operate in a less efficient linear mode to effect amplitude modulation. Additionally, differential combining of the phasors affords relaxation of the turns of a transformer used in amplifying the phasors. | 2011-04-21 |
20110090989 | APPARATUS AND METHOD FOR REMOVING DC OFFSET IN WIRELESS COMMUNICATION SYSTEM - An apparatus and method for removing a Direct Current (DC) offset at a receiving terminal in a wireless communication system are provided. In the method, a frame is divided into at least two time resource blocks. Resource allocation information is used to discriminate between at least one time resource block of a data-unmapped interval and at least one time resource block of a data-mapped interval. The DC offset is measured during the data-unmapped interval. The DC offset is compensated during the data-unmapped interval on a time resource block basis by using the measured DC offset. | 2011-04-21 |
20110090990 | DEMODULATION APPARATUS, DEMODULATION METHOD, AND ELECTRONIC DEVICE - Disclosed herein is a demodulation apparatus including: an operation determination block configured to determine whether the demodulation apparatus operates as part of either a first device or a second device with which the demodulation apparatus communicates, the first device being configured to ASK-modulate and transmit data, the second device being configured to load-modulate and transmit data; and first and second demodulation control blocks. | 2011-04-21 |
20110090991 | METHOD AND APPARATUS FOR PHASE REFERENCE TRACKING OF DIGITAL PHASE MODULATED SIGNALS IN THE RECEIVER - The present invention discloses a method and apparatus to provide, effectively and robustly, a phase reference in phase-domain for digital phase-modulated signals. Not only the first-order but also higher order PLLs are delineated for robust and fast tracking of frequency errors and time-varying frequency errors between the transmitter and the receiver. This invention can be applied to any phase-modulated signal such as PSK, DPSK, π/4-DPSK, and CPM. The decoders with this invention can achieve close to the performance of coherent detection. | 2011-04-21 |
20110090992 | OFDM RECEIVER AND METHOD FOR COMPENSATING FOR I/Q IMBALANCE - An OFDM receiver for compensating for I/Q imbalance is provided. The OFDM receiver includes an I/Q demodulator demodulating a received signal into a baseband in-phase (I) channel signal and a baseband quadrature (Q) channel signal, and an I/Q imbalance compensator compensating for imbalance between the I-channel signal and the Q-channel signal in a time domain. Accordingly, it is possible to solve the I/Q imbalance and suppress degradation in the performance of the OFDM communication device. | 2011-04-21 |
20110090993 | SIGNAL PROCESSING METHOD AND DATA PROCESSING METHOD AND APPARATUS - The present invention discloses a signal processing method and a data processing method and apparatus. A time-domain to frequency-domain signal processing method includes: pre-processing time-domain data; pre-rotating the pre-processed data by using a rotation factor a·W | 2011-04-21 |
20110090994 | Decoding Method and Associated Apparatus - A decoding method for determining a preferred survivor path in a decoding process is provided. The method includes calculating a first determination value of a first survivor path at a first time point, the first determination value being determined by a first sub determination value and a second determination value at a second time point, and the second time point being prior to the first time point; calculating a third determination value of a second survivor path at the first time point, the third determination value being determined by a second sub determination value and a fourth determination value at the second time point; and when a difference between the first determination value and the third determination value is equal to or less than a predetermined value, determining the preferred survivor path at the first time point according to the second and the fourth determination values, or the first and the second sub determination values. | 2011-04-21 |
20110090995 | SIMULTANEOUS CELL GROUP AND CYCLIC PREFIX DETECTION METHOD, APPARATUS AND SYSTEM - A method, and associated apparatus and system, for simultaneous cell group and cyclic prefix (CP) detection, having the steps of determining primary synchronization signal (P-SyS) timing τ using the P-SyS; based on τ, determine a secondary synchronization signal (S-SyS) timing; placing a single Fast Fourier Transform (FFT) window; FFT processing the signal to obtain the frequency domain S-SyS symbols; equalizing the frequency domain S-SyS signal; phase correcting the S-SyS signal; and detecting the cell group and CP length by the correlation giving maximum energy. | 2011-04-21 |
20110090996 | METHOD AND SYSTEM FOR INTERFERENCE SUPPRESSION IN WCDMA SYSTEMS - Aspects of a method and system for interference suppression in WCDMA systems may include one or more circuits that are operable to receive a plurality of multipath signals via one or more receiving antennas. A plurality of weighting factor values may be computed based on the received multipath signals. Estimated signals may be based on the weighting factor values. Residual signals may be generated based on received signals and the estimated signals. Addback signals may be generated based on the estimated signals and the residual signals. Updated estimated signals may be generated based on the addback signals and the weighting factor values. Incremental signals may be generated based on the updated estimated signals and addback signals. Updated residual signals may be generated based on the incremental signals and previous residual signals. The interference suppressed signals may be generated based on the updated residual signals and updated estimated signals. | 2011-04-21 |
20110090997 | METHOD FOR TRANSMITTING SYNCHRONIZATION CHANNEL USING MULTI-ANTENNA - A method for transmitting a synchronization channel using multi-antenna is disclosed. In a method for transmitting a synchronization channel for using a synchronization channel as a phase reference when decoding a broadcast channel, the method includes using a pre-decided shift value for each antenna, wherein the shift value is pre-decided with a user equipment, so as to apply circular shifts to sequences of the synchronization channel, and transmitting the sequences having the circular shifts applied thereto from a base station to the user equipment. Herein, space frequency/time block codes (SFBC/STBC) may be applied to the broadcast channel. In performing time/frequency domain synchronization in the synchronization channel, regardless of the number of transmission antennae used by the base station when transmitting signals, the synchronization process may be performed. Also, multi-antenna gain may be obtained when transmitting the synchronization channel. Furthermore, channel estimation may be performed for each antenna, and by applying transmission diversity methods to the BCH/control channel/data channel and so on, the performance of the present invention may also be enhanced. | 2011-04-21 |
20110090998 | ADC-BASED MIXED-MODE DIGITAL PHASE-LOCKED LOOP - A Phase-Locked Loop (PLL) includes a Phase-to-Digital Converter (PDC), a programmable digital loop filter, a Digitally-Controlled Oscillator (DCO), and a loop divider. Within the PDC, phase information is converted into a stream of digital values by a charge pump and an Analog-to-Digital Converter (ADC). The stream of digital values is supplied to the digital loop filter which in turn supplies digital tuning words to the DCO. A number of types of ADCs can be used for the ADC including a continuous-time delta-sigma oversampling Digital ADC and a Successive Approximation ADC. The voltage signal on the charge pump output is a small amplitude midrange voltage signal. The small voltage amplitude of the signal leads to numerous advantages including improved charge pump linearity, reduced charge pump noise, and lower supply voltage operation of the overall PLL. | 2011-04-21 |
20110090999 | STREAM DATA RECORDING DEVICE, STREAM DATA EDITING DEVICE, STREAM DATA REPRODUCING DEVICE, STREAM DATA RECORDING METHOD, AND STREAM DATA REPRODUCING METHOD - When recording stream data, index information and time correction information are recorded in correspondence with the stream data. The index information specifies a position of an invalid section in the stream data. The time correction information specifies a time which, supposing that a PCR included in the invalid section was able to be got, a time clock would have shown in synchronization with the PCR. When reproducing the stream data recorded together with the time correction information and the index information, at a position where the invalid section ends, the time clock can be set to a time intended by a broadcasting system, by referencing the index information and the time correction information. | 2011-04-21 |
20110091000 | METHOD AND SYSTEM FOR IN SITU DEPOSITON AND REGENERATION OF HIGH EFFICIENCY TARGET MATERIALS FOR LONG LIFE NUCLEAR REACTION DEVICES - Aspects of the invention relate to several methods to deposit and regenerate target materials in neutron generators and similar nuclear reaction devices. In situ deposition and regeneration of a target material reduces tube degradation of the nuclear reaction device and covers impurities on the surface of the target material at the target location. Further aspects of the invention include a method of designing a target to generate neutrons at a high efficiency rate and at a selected neutron energy from a neutron energy spectrum. | 2011-04-21 |
20110091001 | HIGH CURRENT SOLID TARGET FOR RADIOISOTOPE PRODUCTION AT CYCLOTRON USING METAL FOAM - Disclosed herein is a high current solid target for radioisotope production at a cyclotron using a metal foam, and more specifically, a high current solid target for isotope production, which attaches a metal foam to the rear surface of the solid target plate. A high current solid target for isotope production including a metal foam according to the present invention may exhibit excellent cooling performances to increase the amount of proton beam current irradiated on the solid target compared to conventional planar-type solid targets. Because the irradiation of the increased proton beam current may increase the amount of an isotope produced per unit time and even an irradiation of proton beam in a short time may allow for production of a desired amount of an isotope, the solid target may be usefully used for production of medical cyclotron nuclides. | 2011-04-21 |
20110091002 | UNDERWATER REMOTE INSPECTION DEVICE AND METHOD FOR UNDERWATER REMOTE INSPECTION - An underwater remote inspection device is provided with an etching device and a magnifying observation device mounted to a supporting member. A chamber of the etching device is provided with a negative electrode, a positive electrode and a sealing device, and is connected to an etchant supply pipe and an etchant exhaust pipe. A single pair of annular sealing members of the sealing device is provided to a distal end portion of the chamber. A suction passage formed in the side wall of the chamber communicates to a sealing region formed between the sealing members. The magnifying observation device is provided with a magnifying camera in a waterproof container and a plurality of LED lights are installed to the waterproof container. The underwater remote inspection apparatus can prevent leakage of an etchant and reduce execution time of etching. | 2011-04-21 |
20110091003 | METHOD AND DEVICE FOR SEALING A CANISTER LOADED WITH IRRADIATED NUCLEAR FUEL IN A COOLING POND - Method for packing nuclear fuel in a cooling pond in a canister ( | 2011-04-21 |
20110091004 | TRISO FUEL FOR HIGH BURN-UP NUCLEAR ENGINE - A fuel particle for use in a fusion-fission nuclear engine includes a fuel kernel and a buffer layer surrounding the fuel kernel. The fuel particle also includes a pyrolytic carbon layer surrounding the buffer layer and a silicon carbide layer surrounding the buffer layer. The silicon carbide is characterized by a stress less than 450 MPa at 95% burn-up. The fuel particle further includes a second pyrolytic carbon layer surrounding the silicon carbide layer. | 2011-04-21 |
20110091005 | METHOD FOR CLOCKING CUMULATIVE OPERATING TIME FOR A CARGO-HANDLING VEHICLE, AND THE CARGO-HANDLING VEHICLE BY USE OF THE METHOD - The use time till a display unit including an hour meter (a time measuring device) is replaced can be continued even if the time measuring device fails, and false alteration after shipping can be prevented while infallibly resetting the hour meter to zero when the vehicle equipped with the hour meter is shipped from the factory. The cargo handling vehicle includes a first storage device for accumulatively storing the vehicle use time measured by a first time measuring device provided in a display unit of the vehicle and a second storage device for accumulatively storing the vehicle use time measured by a second time measuring device provided in a control device. The control device allows the first and second storage devices to communicate the accumulated use times stored therein when the electric power of the vehicle is turned on. The control device compares the accumulated use times and writes the longer accumulated use time in the storage device storing the shorter one. | 2011-04-21 |
20110091006 | SHIFT REGISTER CIRCUIT - A shift register circuit includes plural shift register stages for providing plural gate signals to plural gate lines. Each shift register stage includes a pull-up unit, an input unit for receiving an input signal, an energy-store unit for providing a driving control voltage in response to the input signal, a discharging unit, a couple unit and a pull-down unit. The pull-up unit pulls up a first gate signal in response to the driving control voltage. The discharging unit performs a discharging operation for pulling down the driving control voltage. The couple unit is utilized for coupling the energy-store unit with a succeeding shift register circuit stage so that the falling edge of a second gate signal generated by the succeeding shift register stage is capable of shifting down the driving control voltage. The pull-down unit pulls down the first gate signal in response to the second gate signal. | 2011-04-21 |
20110091007 | System and Method for Image Reconstruction by Using Multi-Sheet Surface Rebinning - The present application is directed toward the generation of three dimensional images in a tomography system having X-ray sources offset from detectors, in particular in a system where the sources are located on a plane, while detectors are located on multiple parallel planes, parallel to the plane of sources and all the planes of detectors lie on one side of the plane of sources. A controller operates to rebin detected X-rays onto a non-flat surface, perform two dimensional reconstruction on the surface, and generate the three dimensional image from reconstructed images on the plurality of surfaces. | 2011-04-21 |
20110091008 | X-RAY CT APPARATUS - There is provided an X-ray CT apparatus that can control an irradiation X-ray dose in accordance with a displacement of an internal organ due to breathing of an examinee or the like with satisfying both of enhancement of image quality and lessening of exposed dose. In preparation processing before scan is started, an X-ray CT apparatus | 2011-04-21 |
20110091009 | X-RAY DETECTOR METHODS AND APPARATUS - A method includes performing an x-ray focal spot deflection to generate two complete projections from two different channels of an x-ray detector, wherein the channels are purposefully different from each other in some respect other than being different channels. | 2011-04-21 |
20110091010 | MAMMOGRAM TENDER MACHINE - An apparatus and method of examining the breast of a woman who has difficulty in standing or raising her arms by providing an X-ray machine having x-ray emitting and receiving members that are rotatable about a vertical axis and movable up and down along the vertical axis. A cup member having an interior configured to receive one of the woman's breast is placed over a breast and suction from a source of suction is applied to the interior of the cup member to expand the breast to fill the cup. The X-ray emitting and receiving members of the X-ray machine are then oriented relative to the cup member to perform an examination of the breast inside the cup member while the woman is either in a sitting or standing position. | 2011-04-21 |
20110091011 | MULTI-MODALITY VOLUMETRIC DATA ACQUISITION AND IMAGING - One or more systems and/or techniques are described for generating volumetric data from both radiographic and ultrasound examinations of an object, where the radiographic volumetric data and the ultrasound volumetric data are representative of a substantially same volumetric space of the object. This allows, for example, corresponding portions of the volumetric data and/or images resulting therefrom (e.g., indicative of a tumor) to be identified for comparison via the different modalities. Moreover, in one embodiment, a compression paddle of a mammography examination apparatus is configured to selectively receive an ultrasound component. | 2011-04-21 |
20110091012 | METHOD FOR THE SAMPLE PREPARATION OF LIQUID OR PASTE-LIKE SUBSTANCES FOR MEASUREMENTS WITH X-RAY FLUORESCENCE AND SAMPLE BODIES SUITED THEREFOR - The invention relates to a process for preparing liquid or pasty substances ( | 2011-04-21 |
20110091013 | METHOD AND APPARATUS FOR DETECTING A PARTICULAR MATERIAL IN AN OBJECT BY MEANS OF ELECTROMAGNETIC RADIATION - A method and apparatus is provided for detection of a particular material in an object, in particular in an item of luggage, by means of electromagnetic radiation in which the intensities of non-absorbed radiation from at least three radiation planes are measured and evaluated in associated detector apparatus, wherein an image is produced, initially from the intensities of the non-absorbed radiation, and then if single regions of low complexity are found which are characterized by approximately constant intensities, an estimation of the attenuation coefficient s performed and a material detection is carried out in the region according to an algorithm which calculates a three-dimensional reconstruction from different views. | 2011-04-21 |
20110091014 | Dose Calculation Method for Multiple Fields - Systems and methods for developing a treatment plan for irradiating a treatment volume within a patient are disclosed. In accordance with the present invention, control points used to calculate a dose of radiation delivered to the treatment volume may be combined to result in a smaller number of control points. The smaller number of control points may allow more efficient calculation of dose distributions resulting in a treatment plan that can be delivered to the patient earlier or may allow additional iterations of treatment plan optimization resulting in a more accurate dose distribution being delivered to the patient. | 2011-04-21 |
20110091015 | Single-arc dose painting for precision radiation therapy - Provided herein are methods and systems for designing a radiation treatment for a subject using single arc dose painting. The methods and systems comprise an algorithm or a computer-readable product having the same, to plan the radiation treatment. The algorithm converts pairs of multiple leaf collimation (MLC) leaves to sets of leaf aperture sequences that form a shortest path single arc thereof where the pairs of MLC leaves each aligned to an intensity profile of densely-spaced radiation beams, and connects each single arc of leaf apertures to form a final treatment single arc. Also provided is a method for irradiating a tumor in a subject using single arc dose painting. | 2011-04-21 |
20110091016 | POTENTIATOR FOR RADIATION THERAPY COMPRISING PYRIDINE DERIVATIVE AS ACTIVE INGREDIENT - The present invention relates to a radiotherapy enhancer that can reduce the radiation dose and adverse drug reactions when used in combination with a cancer radiotherapy. There is provided a radiotherapy enhancer comprising, as an active ingredient, a pyridine derivative represented by general formula (1): | 2011-04-21 |
20110091017 | VOLTAGE MEASUREMENT IN AN IMAGING SYSTEM - Methods and systems are generally described for measuring a voltage used by an imaging system to generate radiation used in imaging. In embodiments, different datasets are acquired using different degrees of attenuation of the radiation. The differently attenuated datasets are processed to derive a ratio of the differential attenuation. The attenuation ratio is processed to derive a measure of the voltage used by the imaging system to generate the radiation used to acquire the different datasets. | 2011-04-21 |
20110091018 | X-Ray transparent bed and gurney extender for use with mobile computerized tomography (CT) imaging systems - A bed and gurney extender for selective attachment to a standard hospital bed or gurney for supporting the head of a patient during scanning, comprising:
| 2011-04-21 |
20110091019 | Method for Transmission Line Analysis - The present invention concerns methods for estimating one or more transmission properties of a telecommunications transmission line. Estimates of the line input impedance, Z | 2011-04-21 |
20110091020 | CORRELATING CALL LOG FILES USING VOICE PRINTS - A system is presented for logging and recording a call to a call network. The system comprises a voice print logic for generating a voice print of a caller who is making a call to a call network. A telecom routing switch generates a correlated telecom router switch log file by appending the voice print of the caller to a telecom router switch log file for the call. A telecom software system generates a correlated telecom software system log file by appending the voice print of the caller to a telecom software system log file for the call. A contact center agent generates a correlated contact center agent log file by appending the voice print of the caller to a contact center agent log file for the call. The voice print is utilized to retrieve and to consolidate the correlated telecom router switch log file, the correlated telecom software system log file, and the correlated contact center agent log file into a single correlated file for the call. | 2011-04-21 |
20110091021 | SELECTION AND INITIATION OF IVR SCRIPTS BY CONTACT CENTER AGENTS - Methods, devices and systems for selecting IVR script and initiating that IVR script are provided. More specifically, playback of an IVR script to a user of a client endpoint can be initiated by an agent at a content sharing endpoint selecting, dragging, and dropping a representation of that IVR script onto a representation of the voice communication session. After initiation of the IVR script, the agent can drop off of the call, leaving the IVR system to interact with the client endpoint without requiring further agent involvement. | 2011-04-21 |
20110091022 | METHOD AND APPARATUS FOR UNIFIED INTERFACE FOR HETEROGENEOUS SESSION MANAGEMENT - Methods, devices and systems for sharing content as part of a voice telephony session are provided. More specifically, content can be added to a voice communication session by selecting, dragging, and dropping a representation of that content onto a representation of the voice communication session. Where the selected content comprises an audio file, that content is played over the voice communication channel. Where the selected content comprises text, the text is converted to speech, and then played over the voice communication channel. | 2011-04-21 |
20110091023 | ROBUST VOICE BROWSER SYSTEM AND VOICE ACTIVATED DEVICE CONTROLLER - The present invention relates to a system for acquiring information from sources on a network, such as the Internet. A voice browsing system maintains a database containing a list of information sources, such as web sites, connected to a network. Each of the information sources is assigned a rank number which is listed in the database along with the record for the information source. In response to a speech command received from a user, a network interface system accesses the information source with the highest rank number in order to retrieve information requested by the user. | 2011-04-21 |
20110091024 | Flagged Messages in an Automatic Integrated Unified Messaging Escalation System - An automatic message escalation system includes attaching an acknowledgement flag to a message after it is received in the message mailbox of an identified message recipient. The status of the acknowledgement flag indicates whether or not the message has been retrieved. After a given or specified period of time, the acknowledgement flag is checked to see if the message was retrieved. If the message was retrieved, the message will not be escalated. If the message was not retrieved, the message will be sent to the next message recipient on an escalation list. | 2011-04-21 |
20110091025 | Service Entry Device - A system is described in which, in some embodiments, a centralized service entry device may be used to coordinate communications going into and out of a home or premises. The service entry device may be physically connected to a plurality of external access networks, such as a cable television coaxial or fiber connection and a twisted-pair wire connection, and may coordinate access to those networks by a plurality of in-home devices. Within the home, the system may include a plurality of client devices to assist in the coordination of communications with devices in different rooms within the home. | 2011-04-21 |
20110091026 | Protection of Services in Mobile Network Against CLI Spoofing - An anti-CLI spoofing procedure controls access of a mobile communication device to a service on a communication network via a connection from outside the network. The device issues a unique identifier for identifying the device to the service. If the identifier is received from outside the network and over a secure signaling channel, a first time stamp is stored in a memory, representative of a first time of receipt of the identifier. The connection is set up and then a second time stamp is generated representative of a second time at which the connection is established to a node on the network. A first instruction is issued to establish unconditional access to the service if a time difference between the time stamps falls within a predetermined time window. A second instruction is issued to grant conditional access to the service if the time difference falls outside the predetermined window. | 2011-04-21 |
20110091027 | DISCOVERING AND USING PHONE NUMBER LOCATION INFORMATION - A telephone number identification system (“TNIS”) and techniques for facilitating telephonic communications (including but not limited to audible communications, text messages, video communications, and multimedia communications) between calling parties and called parties operating electronic devices configured for telephonic communication via telephone numbers are described. The TNIS operates in any client-side electronic device associated with or including a phone, identifying the formats of incoming or outgoing telephone numbers, which are associated with particular countries and include geographic area identifiers and subscriber numbers. The geographic area identifiers are used to identify one or more possible geographic locations associated with the calling or called parties, one or more possible time zones, and/or estimate the cost of telephonic communications between calling and called parties. Calling and called parties are informed of identified information via user interfaces, and decide whether to establish the telephonic communications via telephony networks and/or other communication networks. | 2011-04-21 |
20110091028 | Automatic Integrated Escalation in a Unified Messaging System - A user is identified based at least in part on a user identification designation associated with an incoming communication. A message recipient is then determined based at least in part on the identified user and one or more address books associated with message recipients by comparing the user identification designation to one or more entries in the one or more recipient databases. The incoming communication is routed to the determined message recipient. Escalation procedures are implemented up to a configured level in the recipient organization based on various criteria. As messages are escalated and deposited in mailboxes associated with the determined message recipients, the determined message recipients are notified of the deposited messages. | 2011-04-21 |
20110091029 | DISTRIBUTED MULTI-PARTY CONFERENCING SYSTEM - Techniques for multi-party conferencing are provided. A plurality of audio streams is received from a plurality of conference-enabled devices associated with a conference call. Each audio stream includes a corresponding encoded audio signal generated based on sound received at the corresponding conference-enabled device. Two or more of the audio streams are selected based upon an audio characteristic (e.g., a loudness of a person speaking). The selected audio streams are transmitted to each conference-enabled device associated with the conference call. At each conference-enabled device, the selected audio streams are decoded into a plurality of decoded audio streams, the decoded audio streams are combined into a combined audio signal, and the combined audio signal is played from one or more loudspeakers to be listened to by a user. | 2011-04-21 |
20110091030 | DYNAMIC CALLBACKS FROM A CONTACT CENTER - A contact center is provided. The contract center may include an input and a processor. The input is operable to receive communication from a first contact media type. The processor is operable to respond to communication from the first contact media type by initiating communication with a second contact media type, the first and second contact media types being associated with a contact and the first contact media type being different from the second contact media type. | 2011-04-21 |
20110091031 | ECHO CANCELER - An echo canceler | 2011-04-21 |
20110091032 | METHOD AND APPARATUS FOR INFORMATION REPRODUCTION - According to one embodiment, a content recording apparatus including, a key preparing section configured to prepare a key to encrypt an acquired stream, a file preparing section configured to add identification information to the acquired stream to prepare a file, a hash calculating section configured to calculate a hash value concerning the identification information added to the stream by the file preparing section, a key file preparing section configured to integrate the hash value calculated by the hash calculating section and the key prepared by the key preparing section to prepare a key file, and a writing section configured to write the key file prepared by the key file preparing section in the protected area of a recording medium. | 2011-04-21 |
20110091033 | CRYPTOGRAPHIC SYSTEM - A method of creating an encryption system for encrypting a plurality of plaintext words is provided. The method comprises associating ( | 2011-04-21 |
20110091034 | Secure Method for Cryptographic Computation and Corresponding Electronic Component - The secure method for cryptographic computation comprises processing of an input datum (D) by a cryptographic computation tool involving at least one encryption key (K) and at least one generated item of secret information, so as to provide an output datum (DC). The generation of the said at least one item of secret information (ST) comprises processing of the said input datum by at least one operator (OPS) having at least one secret characteristic. | 2011-04-21 |
20110091035 | HARDWARE KASUMI CYPHER WITH HYBRID SOFTWARE INTERFACE - A system including a memory; a software interface, operatively connected to the memory, and configured to generate a modified version of a confidentially key (CKey), and a modified version of an integrity key (IKey); and a Kasumi engine having a hardware implementation of a Kasumi cipher and configured to load the modified version of the CKey from the memory to perform a confidentiality function, and to load the modified version of the IKey from memory to perform an integrity function. | 2011-04-21 |
20110091036 | Cryptographic Key Generation - A technique for generating a cryptographic key ( | 2011-04-21 |
20110091037 | CONTENT PROTECTION KEY ENCRYPTOR FOR SECURITY PROVIDERS - Techniques are provided to receive at an encryption device from a control device an encryption request comprising a message and an identifier for a device. The control device and the device are associated with a security provider that provides secure content to the device using the message encrypted with a device key that is securely embedded in the device and also stored on the encryption device. The encryption device is associated with a key provider and the device key is not divulged to the security provider. At the encryption device, the device key is retrieved based on the identifier. The message is encrypted with the device key using a predetermined algorithm, and the encrypted message is then sent to the control device. | 2011-04-21 |
20110091038 | SYSTEM OF PROVIDING A FIXED IDENTIFICATION OF A TRANSPONDER WHILE KEEPING PRIVACY AND AVOIDING TRACKING - Transponder ( | 2011-04-21 |
20110091039 | RELEASING A SERVICE ON AN ELECTRONIC APPLIANCE - There is proposed a method for enabling a service made available by an electronic device ( | 2011-04-21 |
20110091040 | METHOD FOR PERSONALIZING A SAFETY ELEMENT OF A MOBILE TERMINAL DEVICE - The invention relates to a method for personalizing a security element (SE) of a mobile end device (EG), in particular in the form of a smart card chip of a communication end device. The invention comprises the pre-personalizing of the security element (SE) within the framework of its production process and the final personalizing of the security element (SE) upon the first-time use of the end device (EG) by a user (N), wherein a communication link is established between the end device (EG) and a trust center (TC) of a communication network operator. Within the framework of the pre-personalization of the security element (SE), a master key (MK) unique to the security element (SE) is ascertained and transmitted to the trust center (TC). Within the frame-work of the final personalization of the security element (SE), personal data of the user are transmitted upon the first-time use of the end device (EG) to the trust center (TC) and linked there with the master key (MK) to form a modified master key (MK). The security element (SE) is personalized with the modified master key (MK). | 2011-04-21 |
20110091041 | METHOD AND APPARATUS FOR PROCESSING RIGHTS OBJECT - A method and apparatus for processing a Rights Object (RO) are provided. A method for upgrading the RO includes: acquiring, by a Digital Rights Management (DRM) Agent, RO related information of the RO that requires updating from a Secure Removable Media (SRM) Agent; providing, by the DRM Agent, the RO related information to a Rights Issuer (RI), and obtaining a new RO from the RI; and interacting, by the DRM Agent, with the SRM Agent to upgrade the RO that requires updating on the SRM by means of the new RO. According to the embodiments of the present invention, the DRM Agent acquires RO related information which is stored on the SRM and does not have Move rights, and interacts with the RI to move the RO out from the SRM, so as to move the RO without the Move rights out from the SRM, thus extending an application of the RO without the Move rights. | 2011-04-21 |
20110091042 | APPARATUS AND METHOD FOR GENERATING AN ACOUSTIC RADIATION PATTERN - Disclosed are an apparatus and method for creating an acoustic radiation pattern, which may improve sound focusing performance to a target position. The acoustic radiation pattern creating apparatus may process an input signal which may be output through a speaker array in a room such that at least one vertical-directional reflected wave component of the input signal may overlap a direct sound of the input signal at the target position. Then, the acoustic radiation pattern creating apparatus may replicate the processed input signal by the number of output channels of the speaker array, and may process the replicated input signals such that the replicated input signals may form a predetermined radiation pattern in a horizontal direction in the room when the replicated input signals are output through the speaker array. | 2011-04-21 |
20110091043 | METHOD AND APPARATUS FOR DETECTING AUDIO SIGNALS - A method and an apparatus for detecting audio signals are disclosed. The input audio signal is inspected to check whether it is a foreground frame or a background frame; the detected background signal is further inspected according to the music eigenvalue and the decision rule. Therefore, background music can be detected, and the classifying performance of the voice/music classifier is improved. | 2011-04-21 |
20110091044 | Virtual speaker apparatus and method for processing virtual speaker - A virtual speaker apparatus and a virtual speaker processing method is disclosed. The virtual speaker apparatus uses the closest surround speaker when a virtual speaker to be virtually generated is a back left virtual speaker or a back right virtual speaker. | 2011-04-21 |
20110091045 | Audio Encoding and Decoding - An audio encoder ( | 2011-04-21 |
20110091046 | BINAURAL MULTI-CHANNEL DECODER IN THE CONTEXT OF NON-ENERGY-CONSERVING UPMIX RULES - A multi-channel decoder for generating a binaural signal from a downmix signal using upmix rule information on an energy-error introducing upmix rule for calculating a gain factor based on the upmix rule information and characteristics of head related transfer function based filters corresponding to upmix channels. The one or more gain factors are used by a filter processor for filtering the downmix signal so that an energy corrected binaural signal having a left binaural channel and a right binaural channel is obtained. | 2011-04-21 |
20110091047 | Active Noise Control in Mobile Devices - A three dimensional area of quiet is created by an active noise cancellation system comprising a reference microphone receiving background noise and sending the noise signal to an adaptive active noise canceller. An adaptive filter system using weights updated by a least mean squares method or other method generates an anti-phase signal which is broadcasted to counteract the background noise. The resulting residual noise or residual signal is sent back to the adaptive active noise canceller to reset the weights of the adaptive filter. | 2011-04-21 |
20110091048 | Method for virtual bass synthesis - This invention relates to a method for virtual bass synthesis. The low frequency signal is attained by applying a low pass filter to the original. In order to reduce the operations, process of down sampling the low frequency signal, moving the low frequency signal to a series of harmonics whose frequencies are integral times as large as the frequency of low frequency signals, and then up sampling them are provided. By means of psycho-acoustic theory, the weights of harmonics are attained and applied to the harmonics. Finally the weighted harmonics are combined to produce the bass signal. As the result, the virtual bass effect which is almost the same as the low frequency of the original audio signal can be accomplished. Because the harmonic signals are high frequency ones, the virtual effect can be made in the panel speakers or ordinary low-end speakers. | 2011-04-21 |