Patents
Patents for G10L 19 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis (31,960)
09/2012
09/19/2012CN102685061A System used for data communications over digital wireless telecommunications networks
09/19/2012CN102682779A Double-channel encoding and decoding method for 3D audio frequency and codec
09/19/2012CN102682778A Encoding device and encoding method
09/19/2012CN102682777A Acquiring method and acquiring device of attenuation factors
09/19/2012CN102682776A Method for processing audio data and server
09/19/2012CN102682775A Parameter encoding device and parameter decoding method
09/19/2012CN102682774A Parameter encoding device and parameter decoding method
09/19/2012CN102682773A Multi-object audio decoding apparatus
09/19/2012CN102682772A Data sending method, data receiving method, data sending equipment and data receiving equipment
09/19/2012CN102682768A Chinese language learning system based on speech recognition technology
09/19/2012CN102682766A Self-learning lover voice swapper
09/19/2012CN102682765A Expressway audio vehicle detection device and method thereof
09/19/2012CN102171755B Transcoding of audio metadata
09/19/2012CN101790754B System and method for providing amr-wb dtx synchronization
09/19/2012CN101379554B Apparatus and method for encoding/decoding signal
09/19/2012CN101253553B Method for decoding an audio signal
09/18/2012US8271293 Audio decoding using variable-length codebook application ranges
09/18/2012US8271292 Signal bandwidth expanding apparatus
09/18/2012US8271291 Method and an apparatus for identifying frame type
09/18/2012US8271290 Encoding and decoding of audio objects
09/18/2012US8271289 Methods and apparatuses for encoding and decoding object-based audio signals
09/18/2012US8271284 Speech synthesis device, method, and program
09/18/2012US8271278 Quantizing feature vectors in decision-making applications
09/18/2012US8271276 Enhancement of multichannel audio
09/18/2012US8271275 Scalable encoding device, and scalable encoding method
09/18/2012US8271274 Coding/decoding of a digital audio signal, in CELP technique
09/18/2012US8271273 Adaptive approach to improve G.711 perceptual quality
09/18/2012US8271272 Scalable encoding device, scalable decoding device, and method thereof
09/18/2012US8271270 Method, apparatus and system for encoding and decoding broadband voice signal
09/18/2012US8271268 Method to translate, cache and transmit text-based information contained in an audio signal
09/18/2012US8271239 Generation and manipulation of realistic signals for circuit and system verification
09/18/2012US8271200 System and method for acoustic signature extraction, detection, discrimination, and localization
09/18/2012US8270618 Compatible multi-channel coding/decoding
09/18/2012US8270617 Method, medium, and apparatus encoding and/or decoding extension data for surround
09/18/2012US8270263 Playlist sharing methods and apparatus
09/13/2012WO2012122299A1 Bit allocation and partitioning in gain-shape vector quantization for audio coding
09/13/2012WO2012121638A1 Filing of non-coded sub-vectors in transform coded audio signals
09/13/2012WO2012121637A1 Post-quantization gain correction in audio coding
09/13/2012US20120232912 Method, Apparatus and Computer Program Product for Audio Coding
09/13/2012US20120232911 Optimization of mp3 audio encoding by scale factors and global quantization step size
09/13/2012US20120232910 System for dynamically creating and rendering audio objects
09/13/2012US20120232909 Method and system for two-step spreading for tonal artifact avoidance in audio coding
09/13/2012US20120232908 Methods and systems for avoiding partial collapse in multi-block audio coding
09/13/2012US20120232888 Apparatus and method for concealing frame erasure and voice decoding apparatus and method using the same
09/13/2012US20120231768 Method and system to play background music along with voice on a cdma network
09/13/2012US20120229704 Audio processing apparatus, video processing apparatus, and method for controlling the same
09/12/2012EP2498405A2 Apparatus and method for encoding/decoding a multi-channel audio signal
09/12/2012EP2249336B1 Method and receiver for high frequency reconstruction of a stereo audio signal
09/12/2012CN102667924A Method and apparatus for decoding audio data
09/12/2012CN102667923A Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule
09/12/2012CN102667922A Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a detection of a group of previously-decoded spectral values
09/12/2012CN102667921A Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction
09/12/2012CN102667920A SBR bitstream parameter downmix
09/12/2012CN102667919A Audio signal decoder, audio signal encoder, method for providing an upmix signal representation, method for providing a downmix signal representation, computer program and bitstream using a common inter-object-correlation parameter value
09/12/2012CN102667745A Multicore system, multicore system control method and program stored in a non-transient readable medium
09/12/2012CN102664021A Low-rate speech coding method based on speech power spectrum
09/12/2012CN102664020A Encoder and decoder
09/12/2012CN102664019A Full-interaction conference digital signal processor (DSP) sound mixing method and device
09/12/2012CN102664018A Singing scoring method with radial basis function-based statistical model
09/12/2012CN102664017A Three-dimensional (3D) audio quality objective evaluation method
09/12/2012CN102664016A Singing evaluation method and system
09/12/2012CN102664015A Multiple channel audio real-time coding software and hardware scheme based on G726 coding
09/12/2012CN102664014A Blind audio watermark implementing method based on logarithmic quantization index modulation
09/12/2012CN102664013A Audio digital watermark method of discrete cosine transform domain based on energy selection
09/12/2012CN102664012A Satellite mobile communication terminal and XC5VLX50T-AMBE2000 information interaction method in terminal
09/12/2012CN102664006A Abnormal voice detecting method based on time-domain and frequency-domain analysis
09/12/2012CN102664003A Residual excitation signal synthesis and voice conversion method based on harmonic plus noise model (HNM)
09/12/2012CN102306492B Voice conversion method based on convolutive nonnegative matrix factorization
09/12/2012CN101743585B Audio processing using high quality pitch correction
09/12/2012CN101594162B Wireless internet access card
09/12/2012CN101281751B Injecting high frequency noise into pulse excitation on speech sound fragment
09/11/2012US8265941 Method and an apparatus for decoding an audio signal
09/11/2012US8265940 Method and device for the artificial extension of the bandwidth of speech signals
09/11/2012US8265929 Embedded code-excited linear prediction speech coding and decoding apparatus and method
09/11/2012US8265284 Method and apparatus for generating a binaural audio signal
09/11/2012US8265173 Method for compression and expansion of analogue signals
09/11/2012US8264981 Inter-multipoint voice conversation apparatus
09/11/2012CA2603027C Device and method for generating a data stream and for generating a multi-channel representation
09/07/2012WO2012117470A1 Browsing method, display control device, server, user terminal, communication system, object positioning system and program
09/06/2012US20120226671 Efficient size optimization of visual information or auditory information
09/06/2012US20120226506 Method and apparatus for generating an enhancement layer within a multiple-channel audio coding system
09/06/2012US20120226505 Hierarchical audio coding, decoding method and system
09/06/2012US20120226504 Method of distortion-free signal compression
09/06/2012US20120226496 apparatus for processing a signal and method thereof
09/06/2012US20120226494 Identifying an encoding format of an encoded voice signal
09/06/2012US20120224702 Parametric encoding and decoding
09/05/2012EP2495723A1 Method, medium, and system synthesizing a stereo signal
09/05/2012EP2495722A1 Method, medium, and system synthesizing a stereo signal
09/05/2012EP2495721A1 Tone determination device and method
09/05/2012EP2494549A1 Codec rate adaptation for radio channel rate change
09/05/2012EP2494548A1 Selective filtering for digital transmission when analogue speech has to be recreated
09/05/2012EP2494547A1 Coding of multi-channel signals
09/05/2012CN202422725U Audio signal processing circuit
09/05/2012CN102656629A Method and apparatus for encoding a speech signal
09/05/2012CN102656628A Optimized low-throughput parametric coding/decoding
09/05/2012CN102656627A Multi-channel audio processing
09/05/2012CN102655004A Method and terminal for encoding an analog signal and a terminal for decording the encoded signal
09/05/2012CN102157154B Audio-content-based non-uniform discrete cosine transform audio reliability authentication method
09/05/2012CN102117618B Method, device and system for eliminating music noise
09/05/2012CN102074243B Bit plane based perceptual audio hierarchical coding system and method
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