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)
03/2011
03/16/2011EP1837997B1 Long-term prediction encoding method, long-term prediction decoding method, devices thereof, program thereof, and recording medium
03/16/2011EP1774516B1 Normalization of cepstral features for speech recognition
03/16/2011EP1249002B1 Authenticating metadata and embedding metadata in watermarks of media signals
03/16/2011EP1025705B1 Apparatus and method for partial buffering transmitted data to provide robust error recovery in a lossy transmission environment
03/16/2011CN201765819U Low-power-consumption voice end point detection module
03/16/2011CN1897113B Audio signal separation device and method thereof
03/16/2011CN1787070B On-chip system for language learner
03/16/2011CN1755797B 音频解码装置 Audio decoding means
03/16/2011CN101004914B Audio coding apparatus and audio decoding method
03/15/2011US7908147 Delay profiling in a communication system
03/15/2011US7908137 Signal processing device, signal processing method, and program
03/15/2011US7908136 Fixed codebook search method and searcher
03/15/2011US7908135 Music-piece classification based on sustain regions
03/15/2011US7908134 Automatic volume control to compensate for speech interference noise
03/15/2011US7908133 Gathering research data
03/15/2011CA2620627C Apparatus for encoding and decoding audio signal and method thereof
03/15/2011CA2527971C Fidelity-optimised variable frame length encoding
03/10/2011WO2011027437A1 Voice reproduction device and voice reproduction method
03/10/2011WO2011027340A1 Forwarding frames in a communications network
03/10/2011WO2011027337A1 A method and an apparatus for processing an audio signal
03/10/2011WO2011027215A1 Method and apparatus for processing audio signals
03/10/2011WO2011027114A1 Prediction of signals
03/10/2011WO2011026685A1 Method for rendering a musical signal that is compatible with a discontinuous transmission codec, and device for implementing said method
03/10/2011US20110060597 Multi-channel audio encoding and decoding
03/10/2011US20110060596 Method for decoding an audio signal that has a base layer and an enhancement layer
03/10/2011US20110060595 Apparatus and method for adaptive audio coding
03/10/2011US20110060594 Apparatus and method for adaptive audio coding
03/10/2011US20110060593 Output circuit for audio codec chip
03/10/2011US20110058707 Digital Watermarks
03/10/2011US20110058687 Apparatus
03/10/2011US20110058686 Audio processing device and audio processing method
03/10/2011US20110058679 Method, Device, Encoder Apparatus, Decoder Apparatus and Audio System
03/10/2011US20110058678 Stereo signal conversion device, stereo signal inverse conversion device, and method thereof
03/10/2011CA2809915A1 Prediction of signals
03/09/2011EP2293293A1 Adaptive hybrid transform for signal analysis and synthesis
03/09/2011EP2293292A1 Quantizer, encoder, and the methods thereof
03/09/2011EP2291965A1 System and method of an in-band modem for data communications over digital wireless communication networks
03/09/2011EP2291935A1 System and method of an in-band modem for data communications over digital wireless communication networks
03/09/2011EP2291841A1 Method, apparatus and computer program product for providing improved audio processing
03/09/2011EP2012305B1 Audio encoding device, audio decoding device, and their method
03/09/2011EP1750254B1 Audio/music decoding device and audio/music decoding method
03/09/2011CN1898723B Signal decoding apparatus and signal decoding method
03/09/2011CN1873777B Mobile communication terminal with speech decode function and action method of the same
03/08/2011US7904301 Processing digital data
03/08/2011US7904292 Scalable encoding device, scalable decoding device, and method thereof
03/08/2011US7904077 Control of a communications device
03/08/2011US7903751 Device and method for generating a data stream and for generating a multi-channel representation
03/03/2011WO2011026083A1 Enhanced audio decoder
03/03/2011WO2011024198A2 Frequency band scale factor determination in audio encoding based upon frequency band signal energy
03/03/2011WO2011023723A1 Wireless microphone unit, wireless pocket transmitter and method for wireless audio transmission
03/03/2011WO2011023208A1 In-band modem signals for use on a cellular telephone voice channel
03/03/2011WO2010147436A3 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method
03/03/2011WO2010143907A3 Encoding method and encoding device, decoding method and decoding device and transcoding method and transcoder for multi-object audio signals
03/03/2011WO2010134759A3 Window processing method and apparatus for interworking between mdct-tcx frame and celp frame
03/03/2011WO2010134757A3 Method and apparatus for encoding and decoding audio signal using hierarchical sinusoidal pulse coding
03/03/2011WO2010134744A3 Encoder, decoder, encoding method, and decoding method
03/03/2011WO2010103854A3 Speech encoding device, speech decoding device, speech encoding method, and speech decoding method
03/03/2011WO2008038152A3 Digital scaling
03/03/2011US20110054917 Apparatus and method for structuring bitstream for object-based audio service, and apparatus for encoding the bitstream
03/03/2011US20110054916 Multi-channel audio encoding and decoding
03/03/2011US20110054914 Method for Reduction of Aliasing Introduced by Spectral Envelope Adjustment in Real-Valued Filterbanks
03/03/2011US20110054912 System and method of storing telephone conversations
03/03/2011US20110054911 Enhanced Audio Decoder
03/03/2011US20110054887 Method and Apparatus for Maintaining Speech Audibility in Multi-Channel Audio with Minimal Impact on Surround Experience
03/03/2011US20110054885 Device and Method for a Bandwidth Extension of an Audio Signal
03/03/2011US20110051998 Methods for Controlling Rendering of Images and Video
03/03/2011CA2770622A1 Frequency band scale factor determination in audio encoding based upon frequency band signal energy
03/02/2011EP2291008A1 Enhancing audio with remixing capability
03/02/2011EP2291007A1 Enhancing audio with remixing capability
03/02/2011EP2290970A1 Apparatus, method, and computer program for supporting video conferencing in a communication system
03/02/2011EP2290824A1 Long term prediction coding and decoding method, devices thereof, program thereof, and recording medium
03/02/2011EP2289065A1 Concealing audio artifacts
03/02/2011EP1001542B1 Voice decoder and voice decoding method
03/02/2011CN101983403A Performance-related information output device, system provided with performance-related information output device, and electronic musical instrument
03/01/2011US7899677 Adapting masking thresholds for encoding a low frequency transient signal in audio data
03/01/2011US7899668 Method and apparatus to prepare listener-interest-filtered works
03/01/2011US7899667 Waveform interpolation speech coding apparatus and method for reducing complexity thereof
03/01/2011US7899192 Method for dynamically adjusting the spectral content of an audio signal
03/01/2011US7899191 Synthesizing a mono audio signal
03/01/2011US7899165 Maintenance information communication terminal, image forming apparatus provided with same, maintenance information management host, and communication method
03/01/2011CA2636552C A method for speech coding, method for speech decoding and their apparatuses
03/01/2011CA2444151C Method and apparatus for transmitting an audio stream having additional payload in a hidden sub-channel
03/01/2011CA2430319C Speech decoding apparatus and speech decoding method
02/2011
02/24/2011WO2011021845A2 Method and apparatus for encoding multi-channel audio signal and method and apparatus for decoding multi-channel audio signal
02/24/2011WO2011021790A2 Multi-channel audio decoding method and apparatus therefor
02/24/2011WO2011021239A1 Audio stream combining apparatus, method and program
02/24/2011WO2011021238A1 Rate controller, rate control method, and rate control program
02/24/2011WO2010117712A3 Systems and methods for measuring speech intelligibility
02/24/2011US20110046965 Transient Detector and Method for Supporting Encoding of an Audio Signal
02/24/2011US20110046964 Method and apparatus for encoding multi-channel audio signal and method and apparatus for decoding multi-channel audio signal
02/24/2011US20110046963 Multi-channel audio decoding method and apparatus therefor
02/24/2011US20110046946 Encoder, decoder, and the methods therefor
02/24/2011US20110046945 Method and device of bitrate distribution/truncation for scalable audio coding
02/24/2011US20110044405 Coding method, decoding method, apparatuses thereof, programs thereof, and recording medium
02/24/2011US20110044324 Method and Apparatus for Voice Communication Based on Instant Messaging System
02/24/2011US20110044200 Conversational Interactivity Measurement and Estimation for Real-Time Media
02/23/2011EP2288121A2 Telecommunications apparatus operable to interact with an audio transmission
02/23/2011EP2288087A1 Audio quality estimation method, audio quality estimation device, and program
02/23/2011EP2287836A1 Encoder, decoder, and the methods therefor
02/23/2011EP2203917B1 Fast spectral partitioning for efficient encoding
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