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)
12/2012
12/19/2012EP2535893A1 Device and method for frame lost concealment
12/19/2012EP2535892A1 Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages
12/19/2012EP2534656A1 System and method for non-destructively normalizing loudness of audio signals within portable devices
12/19/2012EP2534655A1 Concealing lost packets in a sub-band coding decoder
12/19/2012EP2372699B1 Coding of audio or video samples using multiple quantizers
12/19/2012CN202615784U Device for generating and decoding audio signal
12/19/2012CN102834864A Signal processing device and method, encoding device and method, decoding device and method, and program
12/19/2012CN102834863A Decoder for audio signal including generic audio and speech frames
12/19/2012CN102834862A Encoder for audio signal including generic audio and speech frames
12/19/2012CN102831895A Method for achieving MFCC (Mel Frequency Cepstrum Coefficient) parameter extraction by field-programmable gate array
12/19/2012CN102831894A Command processing method, command processing device and command processing system
12/19/2012CN102831893A Method for rapidly destroying broadcast audio file viruses
12/19/2012CN102436815B Voice identifying device applied to on-line test system of spoken English
12/19/2012CN102385859B Method and system for synthesizing parameter voice
12/19/2012CN102292769B Stereo encoding method and device
12/19/2012CN102222505B Hierarchical audio coding and decoding methods and systems and transient signal hierarchical coding and decoding methods
12/19/2012CN102124517B Low bitrate audio encoding/decoding scheme with common preprocessing
12/19/2012CN101950561B Methods and apparatus for embedding watermarks
12/19/2012CN101512909B Signal processor
12/19/2012CN101506875B Apparatus and method for combining multiple parametrically coded audio sources
12/19/2012CN101361122B Method and apparatus for processing a media signal
12/18/2012US8335685 Ambient noise compensation system robust to high excitation noise
12/18/2012US8335684 Interchangeable noise feedback coding and code excited linear prediction encoders
12/18/2012US8335579 Restoring corrupted audio signals
12/18/2012US8335299 System and method for capturing, sharing, annotating, archiving, and reviewing phone calls with related computer video in a computer document format
12/18/2012CA2529310C Methods and apparatus for embedding watermarks
12/13/2012WO2012170385A1 Method and apparatus for encoding a signal
12/13/2012WO2012169808A2 Audio signal processing method, audio encoding apparatus, audio decoding apparatus, and terminal adopting the same
12/13/2012WO2012169133A1 Voice coding device, voice decoding device, voice coding method and voice decoding method
12/13/2012US20120316887 Method, apparatus, and medium for bandwidth extension encoding and decoding
12/13/2012US20120316886 Sparse coding using object exttraction
12/13/2012US20120316885 Method and apparatus for encoding a signal
12/13/2012US20120314879 Parametric joint-coding of audio sources
12/13/2012US20120314878 Multichannel audio stream compression
12/13/2012US20120314877 Sparse Audio
12/13/2012US20120314876 Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
12/13/2012US20120314874 Two-wire digital audio interface
12/13/2012CA2838201A1 Method and apparatus for encoding a signal
12/12/2012EP2533427A1 Method and apparatus for coding and decoding
12/12/2012EP2532002A1 Apparatus and method for handling transient sound events in audio signals when changing the replay speed or pitch
12/12/2012EP2532001A1 Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding
12/12/2012CN202602900U Encryption and decryption device and satellite communication terminal and satellite communication system
12/12/2012CN202602876U Circuit structure of voice control module
12/12/2012CN202602832U System for identifying programs played on television
12/12/2012CN102823277A Method and device for decoding an audio soundfield representation for audio playback
12/12/2012CN102822891A Signal processing device and method, encoding device and method, decoding device and method, and program
12/12/2012CN102822890A Audio device
12/12/2012CN102379004B Speech encoding device, speech decoding device, speech encoding method, and speech decoding method
12/12/2012CN102007533B A method and an apparatus for processing an audio signal
12/12/2012CN101836251B Scalable speech and audio encoding using combinatorial encoding of MDCT spectrum
12/12/2012CN101645909B Multi-media information security guarantee method combining encryption and watermark
12/12/2012CN101329870B Audio encoder and related electronic device
12/12/2012CN101197929B Information processing apparatus, display control processing method and display control processing program
12/11/2012US8332954 Methods for embedding data in digital audio data
12/11/2012US8332229 Low complexity MPEG encoding for surround sound recordings
12/11/2012US8332228 Systems, methods, and apparatus for anti-sparseness filtering
12/11/2012US8332217 Fast spectral partitioning for efficient encoding
12/11/2012US8332216 System and method for low power stereo perceptual audio coding using adaptive masking threshold
12/11/2012US8332215 Dynamic range control module, speech processing apparatus, and method for amplitude adjustment for a speech signal
12/11/2012US8332214 Speech coder and speech decoder
12/11/2012US8332212 Method and system for efficient pacing of speech for transcription
12/11/2012US8332210 Regeneration of wideband speech
12/11/2012US8332059 Apparatus and method for synchronizing additional data and base data
12/11/2012US8331572 Spatial audio
12/08/2012CA2779232A1 Sparse coding using object extraction
12/06/2012WO2012166959A1 Fast computing of discrete cosine and sine transforms of types vi and vii
12/06/2012WO2012165910A2 Audio-encoding method and apparatus, audio-decoding method and apparatus, recording medium thereof, and multimedia device employing same
12/06/2012WO2012163304A1 Audio decoding method and device
12/06/2012WO2012163303A1 Audio coding method and apparatus, audio decoding method and apparatus, coding/decoding system
12/06/2012WO2012163144A1 Audio signal encoding method and device
12/06/2012US20120311086 Playlist sharing methods and apparatus
12/06/2012US20120310654 System and Method for Non-destructively Normalizing Loudness of Audio Signals Within Portable Devices
12/06/2012US20120310653 Signal processing apparatus, signal processing method, and program
12/06/2012US20120310634 Communication device with reduced noise speech coding
12/06/2012US20120308018 Stereo signal down-mixing method, encoding/decoding apparatus and encoding and decoding system
12/06/2012US20120308017 Method, apparatus, and system for encoding and decoding multi-channel signals
12/06/2012US20120308015 Method and apparatus for stereo to five channel upmix
12/06/2012US20120307677 Transmitting Data in a Communication System
12/06/2012CA2838170A1 Audio-encoding method and apparatus, audio-decoding method and apparatus, recording medium thereof, and multimedia device employing same
12/05/2012CN202584719U Wireless audio acquisition card
12/05/2012CN202584718U Digital audio compression device
12/05/2012CN102812651A Sending device
12/05/2012CN102812642A Encoding method, decoding method, device, program, and recording medium
12/05/2012CN102812513A Decoding apparatus, decoding method, encoding apparatus, encoding method, and program
12/05/2012CN102812512A Method and apparatus for processing an audio signal
12/05/2012CN102812511A Optimized Parametric Stereo Decoding
12/05/2012CN102810315A Signal processing apparatus, signal processing method, and program
12/05/2012CN102810314A Audio encoding method and device, audio decoding method and device, and encoding and decoding system
12/05/2012CN102810313A Audio decoding method and device
12/05/2012CN102810312A Voice synthesizing system
12/05/2012CN102089806B Noise filler, noise filling parameter calculator, method for providing a noise filling parameter, method for providing a noise-filled spectral representation of an audio signal
12/05/2012CN101939782B Adaptive transition frequency between noise fill and bandwidth extension
12/05/2012CN101636648B Speech enhancement employing a perceptual model
12/05/2012CN101505160B System for digit data communications over voice channel of digital telecommunications networks
12/05/2012CN101233571B Method and device for processing audio signal
12/04/2012US8326641 Apparatus and method for encoding and decoding using bandwidth extension in portable terminal
12/04/2012US8326640 Method and system for multi-band amplitude estimation and gain control in an audio CODEC
12/04/2012US8326639 Audio data structure for lossy and lossless encoded extension data
12/04/2012US8326638 Audio compression
12/04/2012US8326619 Adaptive tuning of the perceptual model
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