| 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) |
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| 07/04/2012 | CN102063907B Steganalysis method for audio spread-spectrum steganography |
| 07/04/2012 | CN102044248B Objective evaluating method for audio quality of streaming media |
| 07/04/2012 | CN102044247B Objective evaluation method for VoIP speech |
| 07/04/2012 | CN101989428B Bit distribution method, coding method, decoding method, coder and decoder |
| 07/04/2012 | CN101908340B Apparatus, and method for coding an audio signal using correlation between frequency bands |
| 07/04/2012 | CN101853240B Signal period estimation method and device |
| 07/04/2012 | CN101800051B Method for processing signal and system for processing audio signal |
| 07/04/2012 | CN101751926B Signal coding and decoding method and device, and coding and decoding system |
| 07/04/2012 | CN101681619B Improved voice activity detector |
| 07/04/2012 | CN101662288B Method, device and system for encoding and decoding audios |
| 07/04/2012 | CN101587711B Pitch post-treatment method, filter and pitch post-treatment system |
| 07/04/2012 | CN101510424B Method and system for encoding and synthesizing speech based on speech primitive |
| 07/04/2012 | CN101494052B Method and apparatus for determining and using the sampling frequency for decoding watermark information embedded in a received signal sampled with an original sampling frequency at encoder side |
| 07/04/2012 | CN101484937B Decoding of predictively coded data using buffer adaptation |
| 07/04/2012 | CN101443843B Low complexity subband-domain filtering in the case of cascaded filter banks |
| 07/04/2012 | CN101390159B Method for trained discrimination and attenuation of echoes of a digital signal in a decoder and corresponding device |
| 07/04/2012 | CN101388214B Speed changing vocoder and coding method thereof |
| 07/04/2012 | CN101379548B A voice detector and a method for suppressing sub-bands in a voice detector |
| 07/04/2012 | CN101351839B Method and apparatus for decoding an audio signal |
| 07/04/2012 | CN101350190B Method and apparatus for transmitting and processing audio in inter-IC sound format |
| 07/04/2012 | CN101287274B Voice encryption system for mobile communication and encryption method thereof |
| 07/04/2012 | CN101273404B Audio encoding device and audio encoding method |
| 07/04/2012 | CN101189660B Compressed domain encoding apparatus and methods for use with media signals |
| 07/04/2012 | CN101178899B Variable rate speech coding |
| 07/03/2012 | US8214874 Method for the distribution of audio-visual information and a system for the distribution of audio-visual information |
| 07/03/2012 | US8214223 Audio decoder and decoding method using efficient downmixing |
| 07/03/2012 | US8214222 Method and an apparatus for identifying frame type |
| 07/03/2012 | US8214221 Method and apparatus for decoding an audio signal and identifying information included in the audio signal |
| 07/03/2012 | US8214220 Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal |
| 07/03/2012 | US8214218 Method and apparatus for switching speech or audio signals |
| 07/03/2012 | US8214207 Quantizing a joint-channel-encoded audio signal |
| 07/03/2012 | US8214206 Constrained and controlled decoding after packet loss |
| 07/03/2012 | US8214205 Speech enhancement apparatus and method |
| 07/03/2012 | US8214203 Method and apparatus for recovering line spectrum pair parameter and speech decoding apparatus using same |
| 07/03/2012 | US8214202 Methods and arrangements for a speech/audio sender and receiver |
| 07/03/2012 | US8214200 Fast MDCT (modified discrete cosine transform) approximation of a windowed sinusoid |
| 07/03/2012 | US8214064 Portable sound reproducing system and method |
| 07/03/2012 | US8213641 Enhancing audio with remix capability |
| 07/03/2012 | US8213468 Method and apparatus for generating information signal to be recorded |
| 07/03/2012 | US8210535 Device and method for continuously shuffling and monitoring cards |
| 06/28/2012 | WO2012085451A1 Low-delay sound-encoding alternating between predictive encoding and transform encoding |
| 06/28/2012 | WO2012085410A1 Improved filtering in the transformed domain |
| 06/28/2012 | WO2012055016A8 Coding generic audio signals at low bitrates and low delay |
| 06/28/2012 | US20120166205 Instruction execution circuit |
| 06/28/2012 | US20120166189 Speech Coding |
| 06/28/2012 | US20120166185 System and method for the creation and automatic deployment of personalized, dynamic and interactive voice services with closed loop transaction processing |
| 06/28/2012 | US20120166184 Selective Transmission of Voice Data |
| 06/28/2012 | US20120163565 Method and system for generating and presenting voice reference recordings |
| 06/27/2012 | EP2469742A2 Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field |
| 06/27/2012 | EP2469741A1 Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field |
| 06/27/2012 | EP2469511A1 Apparatus and method for restoring multi-channel audio signal using HE-AAC decoder and MPEG surround decoder |
| 06/27/2012 | EP2469510A1 Apparatus and method for restoring multi-channel audio signal using HE-AAC decoder and MPEG surround decoder |
| 06/27/2012 | EP2467851A2 Multi-channel audio decoding method and apparatus therefor |
| 06/27/2012 | EP2467850A2 Method and apparatus for encoding multi-channel audio signal and method and apparatus for decoding multi-channel audio signal |
| 06/27/2012 | EP2242045B1 Speech synthesis and coding methods |
| 06/27/2012 | EP2095364B1 Method and apparatus for encoding object-based audio signal |
| 06/27/2012 | CN1655568B Use of real-time protocol (rtp) to negotiate code encoding technique |
| 06/27/2012 | CN102523552A Binaural multi-channel decoder in the context of non-energy-conserving upmix rules |
| 06/27/2012 | CN102523329A Recording method based on voice communication, recording system and communication terminals |
| 06/27/2012 | CN102522091A Extra-low speed speech encoding method based on biomimetic pattern recognition |
| 06/27/2012 | CN102522090A Method and device for sending information code and acquiring information code by audio frequency signal |
| 06/27/2012 | CN102522089A Information embedding and extracting method for G.723.1 voice coder |
| 06/27/2012 | CN102522088A Decoding method and device of audio frequency |
| 06/27/2012 | CN102522087A Method, device and terminal for transmitting anti-bugging voice |
| 06/27/2012 | CN102522082A Recognizing and locating method for abnormal sound in public places |
| 06/27/2012 | CN102254561B Spatial cue based audio information steganalysis method |
| 06/27/2012 | CN102044250B Band spreading method and apparatus |
| 06/27/2012 | CN101968781B Method of making a window type decision based on MDCT data in audio encoding |
| 06/27/2012 | CN101946280B Apparatus and associated method for selecting speech coder operational rates |
| 06/27/2012 | CN101847408B Receiver apparatus, and method |
| 06/27/2012 | CN101828220B Efficient implementation of analysis and synthesis filterbanks for MPEG AAC and MPEG AAC ELD encoders/decoders |
| 06/27/2012 | CN101779111B Method and apparatus for encoding continuation sinusoid signal information of audio signal and method and apparatus for decoding same |
| 06/27/2012 | CN101606194B Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples |
| 06/27/2012 | CN101583995B Parameter decoding device, parameter encoding device, and parameter decoding method |
| 06/27/2012 | CN101501760B Device and method for processing a real subband signal for reducing aliasing effects |
| 06/27/2012 | CN101377926B Audio encoding method capable of quickening quantification circulation program |
| 06/27/2012 | CN101320563B Background noise encoding/decoding device, method and communication equipment |
| 06/27/2012 | CN101283398B Method and apparatus for signal processing and encoding and decoding method, and apparatus thereof |
| 06/27/2012 | CN101241701B Method and equipment used for audio signal decoding |
| 06/27/2012 | CN101099198B Analog signal encoding method and device |
| 06/26/2012 | US8209190 Method and apparatus for generating an enhancement layer within an audio coding system |
| 06/26/2012 | US8209189 Digital audio signal processing method and apparatus |
| 06/26/2012 | US8209188 Scalable coding/decoding apparatus and method based on quantization precision in bands |
| 06/26/2012 | US8209187 Speech coding arrangement for communication networks |
| 06/26/2012 | US8209168 Stereo decoder that conceals a lost frame in one channel using data from another channel |
| 06/26/2012 | US8209167 Mobile radio terminal, speech conversion method and program for the same |
| 06/26/2012 | US8208570 Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof |
| 06/26/2012 | US8208069 Audio processing apparatus, video processing apparatus, and method for controlling the same |
| 06/21/2012 | WO2012081166A1 Coding device, decoding device, and methods thereof |
| 06/21/2012 | WO2012081000A1 A method and system for signaling by bit manipulation in communication protocols |
| 06/21/2012 | WO2012080649A1 Improved encoding of an improvement stage in a hierarchical encoder |
| 06/21/2012 | WO2012080346A1 Encoder and method for predictively encoding, decoder and method for decoding, system and method for predictively encoding and decoding and predictively encoded information signal |
| 06/21/2012 | WO2012036487A3 Apparatus and method for encoding and decoding signal for high frequency bandwidth extension |
| 06/21/2012 | US20120158410 Digital audio signal processing system |
| 06/21/2012 | US20120158409 Bandwidth Extension Encoder, Bandwidth Extension Decoder and Phase Vocoder |
| 06/21/2012 | US20120158408 Method And Apparatus For Reducing Rendering Latency For Audio Streaming Applications Using Internet Protocol Communications Networks |
| 06/21/2012 | US20120158403 Voice reproduction apparatus and voice reproduction method |
| 06/21/2012 | US20120158402 System And Method For Adjusting Floor Controls Based On Conversational Characteristics Of Participants |
| 06/21/2012 | US20120158164 Method For Rendering A Music Signal Compatible With A Discontinuous Transmission Codec; And A Device For Implementing That Method |
| 06/21/2012 | US20120158163 Method For Generating Concealment Frames In Communication System |