Patents
Sitemap › G10 - Musical instruments; Acoustics › G10L - Speech analysis or synthesis; Speech recognition; Speech or voice processing; Speech or audio coding or decoding › 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
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)
05/2012
05/23/2012CN101807401B Discrete cosine transform (DCT)-based audio zero-watermark anti-noise detection method
05/23/2012CN101800049B Coding apparatus and decoding apparatus
05/23/2012CN101631304B Anti-adaptive multi-rate coding third-generation mobile communication end-to-end voice encryption method
05/23/2012CN101622661B Advanced encoding / decoding of audio digital signals
05/23/2012CN101556800B Acoustic spectrum coding method and apparatus, spectrum decoding method and apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus
05/23/2012CN101548316B Encoding device, decoding device, and method thereof
05/23/2012CN101505145B Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
05/23/2012CN101443842B Information signal coding
05/23/2012CN101283407B Transform coder and transform coding method
05/23/2012CN101266796B A quantified coding method and device
05/23/2012CN101253808B Method and apparatus for encoding and decoding an audio signal
05/23/2012CN101247129B Signal processing method
05/23/2012CN101120615B Multi-channel encoder/decoder and related encoding and decoding method
05/23/2012CN101120398B Method for concatenating frames in communication system
05/23/2012CN101071568B Method and system of audio decoder
05/23/2012CN101002261B Method and apparatus for encoding and decoding multi-channel audio signal using virtual source location information
05/22/2012US8185403 Method and apparatus for encoding and decoding an audio signal
05/22/2012US8185399 System and method of providing an automated data-collection in spoken dialog systems
05/22/2012US8185390 Zero-search, zero-memory vector quantization
05/22/2012US8185388 Apparatus for improving packet loss, frame erasure, or jitter concealment
05/22/2012US8185387 Automatic gain control
05/22/2012US8185385 Method for searching fixed codebook based upon global pulse replacement
05/22/2012US8185381 Unified filter bank for performing signal conversions
05/22/2012US8185100 Communication system
05/22/2012US8184851 Inserting watermarks into portions of digital signals
05/22/2012US8184849 Error processing of steganographic message signals
05/22/2012US8184817 Multi-channel acoustic signal processing device
05/18/2012WO2012064929A1 Downmix limiting
05/18/2012CA2815190A1 Downmix limiting
05/17/2012US20120123788 Coding method, decoding method, and device and program using the methods
05/17/2012US20120123787 Audioaudio format converting apparatus and audioaudio format converting method
05/17/2012US20120123782 Speech synthesis and coding methods
05/17/2012US20120123769 Gain control apparatus and gain control method, and voice output apparatus
05/17/2012US20120120218 Semi-private communication in open environments
05/16/2012EP2453437A2 Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
05/16/2012EP2452337A1 Allocation of bits in an enhancement coding/decoding for improving a hierarchical coding/decoding of digital audio signals
05/16/2012EP2452336A1 Improved coding /decoding of digital audio signals
05/16/2012EP2277172B1 Concealment of transmission error in a digital signal in a hierarchical decoding structure
05/16/2012EP2215631B1 Rounding noise shaping for integer transform based encoding and decoding
05/16/2012EP2070085B1 Packet based echo cancellation and suppression
05/16/2012CN102460975A Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method
05/16/2012CN102460574A Method and apparatus for encoding and decoding audio signal using hierarchical sinusoidal pulse coding
05/16/2012CN102460573A Audio signal decoder, method for decoding audio signal and computer program using cascaded audio object processing stages
05/16/2012CN102460572A Encoder, decoder, encoding method, and decoding method
05/16/2012CN102460571A Encoding method and encoding device, decoding method and decoding device and transcoding method and transcoder for multi-object audio signals
05/16/2012CN102460570A Method for encoding and decoding an audio signal and apparatus for same
05/16/2012CN102457700A Audio data transmission method and system
05/16/2012CN102456351A 一种语音增强的系统 A speech enhancement system
05/16/2012CN102456350A Acoustic signal processing apparatus
05/16/2012CN102456349A Method and apparatus to encode and/or decode signal using bandwidth extension technology
05/16/2012CN102456348A 声音补偿参数计算方法和设备、声音补偿系统 Sound compensation parameter calculation methods and equipment, sound compensation system
05/16/2012CN102456347A Realization system and method for split-type multi-channel synchronous play for multimedia file based on wireless transmission technology
05/16/2012CN102456343A 录音结束点检测方法及系统 Recording end point detection method and system
05/16/2012CN101505144B Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
05/16/2012CN101283402B Method and apparatus for signal processing and encoding and decoding method, and apparatus thereof
05/15/2012US8180819 Partially complex modulated filter bank
05/15/2012US8180818 Partially complex modulated filter bank
05/15/2012US8180648 Method and system for dual mode subband acoustic echo canceller with integrated noise suppression
05/15/2012US8180632 Method for limiting adaptive excitation gain in an audio decoder
05/15/2012US8180631 Apparatus and method of processing an audio signal, utilizing a unique offset associated with each coded-coefficient
05/15/2012US8180193 Video player with code sensor and memory for video data retrieval
05/10/2012WO2012061340A1 Adaptive audio transcoding
05/10/2012WO2012059385A1 Data structure for higher order ambisonics audio data
05/10/2012WO2012059051A1 Method, device, and system for controlling speech encoding rate
05/10/2012WO2012058805A1 Parametric encoder for encoding a multi-channel audio signal
05/10/2012US20120116781 Encoding apparatus, encoding method, and program
05/10/2012US20120116780 Acoustic signal processing system, acoustic signal decoding apparatus, processing method in the system and apparatus, and program
05/10/2012US20120116769 System for bandwidth extension of narrow-band speech
05/10/2012US20120116757 Method and apparatus for encoding and decoding high frequency signal
05/10/2012US20120116752 Audio data processing method and audio data processing system
05/10/2012US20120116560 Apparatus and Method for Generating an Output Audio Data Signal
05/10/2012US20120114126 Audio Format Transcoder
05/10/2012CA2792898A1 Adaptive audio transcoding
05/09/2012EP2450887A1 Voice converter with extraction and modification of attribute data
05/09/2012EP2450886A1 Frame error concealment method and apparatus and decoding method and apparatus using the same
05/09/2012EP2450885A1 Frame error concealment method and apparatus and decoding method and apparatus using the same
05/09/2012EP2450884A1 Frame error concealment method and apparatus and decoding method and apparatus using the same
05/09/2012EP2450883A1 Frame error concealment method and apparatus and decoding method and apparatus using the same
05/09/2012EP2450882A1 Multiple description audio coding and decoding method, device and system
05/09/2012EP2450881A2 Apparatus for encoding and decoding an audio signal using a weighted linear predictive transform, and method for same
05/09/2012EP2450880A1 Data structure for Higher Order Ambisonics audio data
05/09/2012EP2449554A1 Bandwidth extension encoder, bandwidth extension decoder and phase vocoder
05/09/2012EP2319037B1 Reconstruction of multi-channel audio data
05/09/2012EP2304721B1 Spatial synthesis of multichannel audio signals
05/09/2012EP2270776B1 Method and device for frame loss concealment
05/09/2012CN102449691A Parcor coefficient quantization method, parcor coefficient quantization device, program and storage medium
05/09/2012CN102449690A Systems and methods for reconstructing an erased speech frame
05/09/2012CN102449689A Coding method, decoding method, coding apparatus, decoding apparatus, coding program, decoding program and recording medium therefor
05/09/2012CN102446509A Audio coding and decoding method for enhancing anti-packet loss capability and system thereof
05/09/2012CN102446508A Voice audio uniform coding window type selection method and device
05/09/2012CN102446507A Down-mixing signal generating and reducing method and device
05/09/2012CN102446504A Voice/Music identifying method and equipment
05/09/2012CN101828219B A method and an apparatus of decoding an audio signal
05/09/2012CN101615396B Voice encoding device and voice decoding device
05/09/2012CN101582259B Methods, devices and systems for coding and decoding dimensional sound signal
05/09/2012CN101529503B Coding method and device of an information signal
05/09/2012CN101461257B Adaptive acoustic echo cancellation
05/08/2012US8175888 Enhanced layered gain factor balancing within a multiple-channel audio coding system
05/08/2012US8175879 System-effected text annotation for expressive prosody in speech synthesis and recognition
05/08/2012US8175871 Apparatus and method of noise and echo reduction in multiple microphone audio systems
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