| 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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| 01/14/2009 | CN101345878A 解码系统 Decoding system |
| 01/14/2009 | CN101345823A Information device and portable information apparatus |
| 01/14/2009 | CN101345054A Digital watermark production and recognition method used for audio document |
| 01/14/2009 | CN101345053A Speech signal processing device |
| 01/14/2009 | CN101345052A Imbedding method for invisible digital watermark |
| 01/14/2009 | CN100452171C Speech waveform processing system and method |
| 01/13/2009 | US7478313 Encoding apparatus and method, and decoding apparatus and method for error correction |
| 01/13/2009 | US7478309 Transmission line coding method, transmission line decoding method, and apparatus therefor |
| 01/13/2009 | US7478175 Recording/reproducing apparatus |
| 01/13/2009 | US7478045 Method and device for characterizing a signal and method and device for producing an indexed signal |
| 01/13/2009 | US7478042 Speech decoder that detects stationary noise signal regions |
| 01/13/2009 | US7478040 Method for adaptive filtering |
| 01/13/2009 | US7477682 Echo cancellation for a packet voice system |
| 01/08/2009 | WO2009005948A2 Providing sender-selected sound items to conversation participants |
| 01/08/2009 | WO2009004727A1 Encoding apparatus, encoding method and encoding program |
| 01/08/2009 | WO2009004263A1 Conversion between sub-band domains for banks of module filters |
| 01/08/2009 | WO2009004227A1 Coding of digital audio signals |
| 01/08/2009 | WO2009004225A1 Post-processing for reducing quantification noise of an encoder during decoding |
| 01/08/2009 | WO2009003753A1 System and method for transmitting audio data |
| 01/08/2009 | US20090012797 Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain |
| 01/08/2009 | US20090012784 Speech transcoding in GSM networks |
| 01/08/2009 | US20090012782 Method and Arrangements for Coding Audio Signals |
| 01/08/2009 | US20090012781 Speech coder and speech decoder |
| 01/08/2009 | US20090012780 Speech signal decoding method and apparatus |
| 01/08/2009 | US20090010440 Apparatus and Method for Encoding/Decoding Signal |
| 01/08/2009 | DE102007031465A1 System und Verfahren zum Übertragen von Audiodaten System and method for transferring audio data |
| 01/08/2009 | CA2687654A1 System and method for transmitting audio data |
| 01/08/2009 | CA2687455A1 Providing sender-selected sound items to conversation participants |
| 01/07/2009 | EP2012306A1 Encoding method and encoding device |
| 01/07/2009 | EP2012305A1 Audio encoding device, audio decoding device, and their method |
| 01/07/2009 | EP2011116A2 Industrial process pressure transmitter with field repairable remote seals |
| 01/07/2009 | EP1905005A4 Method and apparatus to encode/decode low bit-rate audio signal |
| 01/07/2009 | EP1538602B1 Wideband synthesis from a narrowband signal |
| 01/07/2009 | EP1339040B1 Vector quantizing device for lpc parameters |
| 01/07/2009 | EP1019868B1 Computer system linked by using information in data objects |
| 01/07/2009 | CN101341533A Method and apparatus for decoding an audio signal |
| 01/07/2009 | CN101340480A Method for integrated application of sound changing system and network telephone |
| 01/07/2009 | CN101340337A Audio sensor board and multi-hop audio transmission method |
| 01/07/2009 | CN101339790A Audio signal playing apparatus and monitoring method and device of broadcasting system sound quality |
| 01/07/2009 | CN101339768A State updating method and apparatus of synthetic filter |
| 01/07/2009 | CN101339767A Background noise excitation signal generating method and apparatus |
| 01/07/2009 | CN101339766A Audio signal processing method and device |
| 01/07/2009 | CN101339765A National language single tone recognizing system capable of wide application |
| 01/07/2009 | CN100450243C Anti vocoder compressed end-to-end voice encryption device and method |
| 01/06/2009 | US7475011 Greedy algorithm for identifying values for vocal tract resonance vectors |
| 01/06/2009 | US7474930 System for retrieving and playing audio files |
| 01/06/2009 | US7474739 Providing speaker identifying information within embedded digital information |
| 01/01/2009 | US20090006567 Providing Sender-Selected Sound Items to Conversation Participants |
| 01/01/2009 | US20090006106 Method and Apparatus for Decoding a Signal |
| 01/01/2009 | US20090006104 Method of configuring codec and codec using the same |
| 01/01/2009 | US20090006103 Bitstream syntax for multi-process audio decoding |
| 01/01/2009 | US20090006102 Effective Audio Segmentation and Classification |
| 01/01/2009 | US20090006085 Automated call classification and prioritization |
| 01/01/2009 | US20090006084 Low-complexity frame erasure concealment |
| 01/01/2009 | US20090006083 Systems And Methods For Spoken Information |
| 01/01/2009 | US20090006082 Activity-ware for non-textual objects |
| 01/01/2009 | US20090006081 Method, medium and apparatus for encoding and/or decoding signal |
| 01/01/2009 | US20090003612 Compatible Multi-Channel Coding/Decoding |
| 12/31/2008 | WO2009002245A1 Method and arrangement for enhancing spatial audio signals |
| 12/31/2008 | WO2009002232A1 Continued telecommunication with weak links |
| 12/31/2008 | WO2009001887A1 Multi-point connection device, signal analysis and device, method, and program |
| 12/31/2008 | WO2009001874A1 Audio encoding method, audio decoding method, audio encoding device, audio decoding device, program, and audio encoding/decoding system |
| 12/31/2008 | WO2009001292A1 A method of merging at least two input object-oriented audio parameter streams into an output object-oriented audio parameter stream |
| 12/31/2008 | WO2009001035A2 Transmission of audio information |
| 12/31/2008 | WO2009000073A1 Method and device for sound activity detection and sound signal classification |
| 12/31/2008 | WO2008119510A3 Method and system for speech quality prediction of the impact of time localized distortions of an audio trasmission system |
| 12/31/2008 | EP2009801A2 Improved encoding/decoding of digital signals, in particular in vector quantification with codes with permutations |
| 12/31/2008 | EP2009800A2 Improved encoding/decoding of digital signals, in particular in vector quantification with codes with permutations |
| 12/31/2008 | EP2009623A1 Speech coding |
| 12/31/2008 | EP2008466A1 Method and apparatus to quantize and dequantize input signal, and method and apparatus to encode and decode input signal |
| 12/31/2008 | EP2008271A1 Multi-path trellis coded quantization method and multi-path coded quantizer using the same |
| 12/31/2008 | EP2008270A1 Method of notifying a transmission defect of an audio signal |
| 12/31/2008 | EP1673765A4 A method for grouping short windows in audio encoding |
| 12/31/2008 | EP1299996B1 Speech quality estimation for off-line speech recognition |
| 12/31/2008 | CN101336454A Compressed encoded data reproducing apparatus and method for decoding and reproducing compressed encoded data in such apparatus |
| 12/31/2008 | CN101336451A Method and apparatus for audio signal encoding |
| 12/31/2008 | CN101336450A Method and apparatus for voice encoding in radio communication system |
| 12/31/2008 | CN101336449A Method and apparatus for audio signal encoding |
| 12/31/2008 | CN101335004A Method and apparatus for multi-stage quantization |
| 12/31/2008 | CN101335003A Noise generating apparatus and method |
| 12/31/2008 | CN101335002A Method and apparatus for audio decoding |
| 12/31/2008 | CN101335001A DTX determination method and apparatus |
| 12/31/2008 | CN101335000A Method and apparatus for encoding and decoding |
| 12/31/2008 | CA2690433A1 Method and device for sound activity detection and sound signal classification |
| 12/30/2008 | US7472069 Apparatus for processing framed audio data for fade-in/fade-out effects |
| 12/30/2008 | US7472059 Method and apparatus for robust speech classification |
| 12/30/2008 | US7472057 Detector for use in voice communications systems |
| 12/30/2008 | US7472056 Transcoder for speech codecs of different CELP type and method therefor |
| 12/30/2008 | US7471839 Multimedia transmission with image and audio compressions |
| 12/30/2008 | US7471726 Spatial-domain lapped transform in digital media compression |
| 12/25/2008 | US20080320479 Telecom adapter layer system, and method and apparatus for acquiring network element information |
| 12/25/2008 | US20080320173 Digital data distribution system with switching unit, online acquisition unit, and conversion unit for converting from first to second format |
| 12/25/2008 | US20080319765 Method and Apparatus for Decoding a Signal |
| 12/25/2008 | US20080319764 Method for Determining an Audio Data Spatial Encoding Mode |
| 12/25/2008 | US20080319740 Adaptive gain reduction for encoding a speech signal |
| 12/25/2008 | US20080319739 Low complexity decoder for complex transform coding of multi-channel sound |
| 12/25/2008 | US20080317135 Method For Compressing An Audio, Image Or Video Digital File By Desynchronization |
| 12/24/2008 | WO2008157296A1 Signal encoding using pitch-regularizing and non-pitch-regularizing coding |
| 12/24/2008 | WO2008155919A1 Adaptive sound source vector quantizing device and adaptive sound source vector quantizing method |
| 12/24/2008 | WO2008155835A1 Decoder, decoding method, and program |