| 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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| 07/28/2005 | US20050163275 Stream decoding system |
| 07/28/2005 | US20050163267 Enhanced denoising system |
| 07/28/2005 | US20050162939 Streaming data from multiple sources according to storage location information |
| 07/28/2005 | US20050162938 Streaming data from multiple sources according to storage location information |
| 07/28/2005 | US20050162937 Streaming data from multiple sources according to storage location information |
| 07/28/2005 | US20050162936 Streaming data from multiple sources according to storage location information |
| 07/28/2005 | CA2554002A1 Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
| 07/27/2005 | EP1557827A1 Voice intensifier |
| 07/27/2005 | EP1557826A2 Synthesis subband filter for MPEG audio decoder and a decoding method thereof |
| 07/27/2005 | EP1557825A1 Bandwidth expanding device and method |
| 07/27/2005 | EP1557820A1 Voice activity detection operating with compressed speech signal parameters |
| 07/27/2005 | EP1557060A2 Apparatus and method for tandem-free vocoder operation between non-compatible communication systems by extracting inter- or intrasystem tfo-information |
| 07/27/2005 | EP1557052A1 Method and apparatus for dtmf detection and voice mixing in the celp parameter domain |
| 07/27/2005 | EP1556979A1 Variable rate speech codec |
| 07/27/2005 | EP1556856A1 Method for encoding digital audio using advanced psychoacoustic model and apparatus thereof |
| 07/27/2005 | EP1556853A2 Data communication through acoustic channels and compression |
| 07/27/2005 | EP1495605A4 Billing system for communications services involving telephony and instant communications |
| 07/27/2005 | EP1374229B1 Method and device for determining the quality of a speech signal |
| 07/27/2005 | EP1212670B1 Methods and apparatus for secure content distribution |
| 07/27/2005 | CN1647187A Apparatus and method for rendering user data |
| 07/27/2005 | CN1647186A Time domain watermarking of multimedia signals |
| 07/27/2005 | CN1647158A Coding of stereo signals |
| 07/27/2005 | CN1647157A Signal synthesizing |
| 07/27/2005 | CN1647156A Parametric multi-channel audio representation |
| 07/27/2005 | CN1647155A Parametric representation of spatial audio |
| 07/27/2005 | CN1647154A Coding of stereo signals |
| 07/27/2005 | CN1647020A MP3 encoder with running water parallel process |
| 07/27/2005 | CN1645774A System and method for adding an inaudible code to an audio signal and method and apparatus for reading a code signal from an audio signal |
| 07/27/2005 | CN1212607C Predictive speech coder using coding scheme selection patterns to reduce sensitivity to frame errors |
| 07/27/2005 | CN1212606C Speech communication system and method for handling lost frames |
| 07/27/2005 | CN1212605C Encoding and decoding method for digital data |
| 07/27/2005 | CN1212604C Speech synthesizer based on variable rate speed coding |
| 07/26/2005 | US6922797 Error concealment method of detecting corrupted signal parameters |
| 07/26/2005 | US6922667 Encoding apparatus and decoding apparatus |
| 07/26/2005 | US6922480 Methods for encoding security documents |
| 07/26/2005 | CA2169422C Method and apparatus for reducing noise in speech signal |
| 07/21/2005 | WO2005066938A1 Optimized multiple coding method |
| 07/21/2005 | WO2005066937A1 Signal decoding apparatus and signal decoding method |
| 07/21/2005 | WO2005066936A1 Transcoding between the indices of multipulse dictionaries used for coding in digital signal compression |
| 07/21/2005 | WO2005065014A2 Low-rate in-band data channel using celpcodewords |
| 07/21/2005 | US20050160047 Music content using apparatus |
| 07/21/2005 | US20050159961 Coding apparatus and method, decoding apparatus and method, and program storage medium |
| 07/21/2005 | US20050159947 Quantization matrices for digital audio |
| 07/21/2005 | US20050159946 Quality and rate control strategy for digital audio |
| 07/21/2005 | US20050159943 Compressed domain universal transcoder |
| 07/21/2005 | US20050159942 Classification of speech and music using linear predictive coding coefficients |
| 07/21/2005 | US20050159941 Method and apparatus for audio compression |
| 07/21/2005 | US20050159940 Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec |
| 07/21/2005 | US20050159831 Steganographic method for covert audio communications |
| 07/21/2005 | US20050157884 Audio encoding apparatus and frame region allocation circuit for audio encoding apparatus |
| 07/21/2005 | US20050157883 Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
| 07/21/2005 | DE19811039B4 Verfahren und Vorrichtungen zum Codieren und Decodieren von Audiosignalen Methods and apparatuses for encoding and decoding of audio signals |
| 07/21/2005 | DE10360470A1 Verfahren und Vorrichtung zum Demodulieren eines Empfangssignals Method and apparatus for demodulating a received signal |
| 07/21/2005 | CA2552853A1 Signal decoding apparatus and signal decoding method |
| 07/20/2005 | EP1555852A2 Apparatus and method for playing and storing three-dimensional stereo sound in communication terminal |
| 07/20/2005 | EP1554809A1 Method and apparatus for fast celp if parameter mapping |
| 07/20/2005 | EP1554718A2 Methods for interoperation between adaptive multi-rate wideband (amr-wb) and multi-mode variable bit-rate wideband (wmr-wb) speech codecs |
| 07/20/2005 | EP1554717A1 Preprocessing of digital audio data for mobile audio codecs |
| 07/20/2005 | EP1554716A1 Signal filtering |
| 07/20/2005 | EP1495625A4 Providing of presence information to a telephony services system |
| 07/20/2005 | EP1495603A4 Call completion via instant communications client |
| 07/20/2005 | EP1495416A4 Enhanced services call completion |
| 07/20/2005 | EP1125287A4 Method and apparatus to prepare listener-interest-filtered works |
| 07/20/2005 | CN1643593A Window shaping functions for watermarking of multimedia signals |
| 07/20/2005 | CN1643592A Decoding of watermarked infornation signals |
| 07/20/2005 | CN1643574A Watermark time scale searching |
| 07/20/2005 | CN1642203A Method and system for providing identifying information within speaker communication linkway |
| 07/20/2005 | CN1642075A System and method for protecting received and transmitted data by parity check bit |
| 07/20/2005 | CN1641749A Method and apparatus for converting audio data |
| 07/20/2005 | CN1641748A Voice data storage method |
| 07/20/2005 | CN1641747A 语音控制电器系统 Voice control electrical system |
| 07/20/2005 | CN1212045C High eficiency audio frequency transmission channel |
| 07/20/2005 | CN1211780C Portable device capable of voice encrypting and decrypting and encrypting/decrypting method thereof |
| 07/20/2005 | CN1211775C Method and apparatus for adapting primary content of audio and remaniing portion of audio content in digital audio production process |
| 07/19/2005 | US6920422 Technique for multi-rate coding of a signal containing information |
| 07/19/2005 | US6920232 Watermark encoding using arbitrary features |
| 07/19/2005 | US6920124 Method for transmitting digital useful data |
| 07/15/2005 | CA2493045A1 Apparatus and method for playing and storing three-dimensional stereo sound in communication terminal |
| 07/14/2005 | WO2005064594A1 Voice/musical sound encoding device and voice/musical sound encoding method |
| 07/14/2005 | WO2005064593A1 Speech coding |
| 07/14/2005 | WO2005064591A1 Method and apparatus for speech coding |
| 07/14/2005 | WO2005062698A2 System and method for managing protocol network failures in a cluster system |
| 07/14/2005 | WO2005036925A3 Compatible multi-channel coding/decoding |
| 07/14/2005 | US20050154987 System and method for recording and reproducing multimedia |
| 07/14/2005 | US20050154973 System and method for recording and reproducing multimedia based on an audio signal |
| 07/14/2005 | US20050154597 Synthesis subband filter for MPEG audio decoder and a decoding method thereof |
| 07/14/2005 | US20050154585 Multi-pulse speech coding/decoding with reduced convolution processing |
| 07/14/2005 | US20050154584 Method and device for efficient frame erasure concealment in linear predictive based speech codecs |
| 07/14/2005 | US20050154480 Digital signal processing method, learning method, apparatuses thereof and program storage medium |
| 07/14/2005 | US20050152578 Printing media and methods employing digital watermarking |
| 07/14/2005 | US20050152563 Noise suppression apparatus and method |
| 07/14/2005 | US20050152549 Time domain watermarking of multimedia signals |
| 07/14/2005 | US20050152342 Method for transmitting voice, image and/or video data over an IP network using dual coding and corresponding communication system |
| 07/14/2005 | DE10392751T5 Verfahren und Vorrichtung zur Ermittlung von Wasserzeichen, die gegenüber einer Größenänderung, Drehung und Umsetzung widerstandsfähig sind Method and apparatus for detecting watermarks that are resistant to resizing, rotation, and translation |
| 07/14/2005 | CA2551281A1 Voice/musical sound encoding device and voice/musical sound encoding method |
| 07/13/2005 | EP1553745A1 Method for transmitting voice, image and/or video data over an IP network using dual coding and corresponding communication system |
| 07/13/2005 | EP1553704A2 Digital data coding/decoding method and apparatus |
| 07/13/2005 | EP1553564A2 Voice encoding device, voice decoding device, recording medium for recording program for realizing voice encoding /decoding and mobile communication device |
| 07/13/2005 | EP1553563A2 Method and apparatus for converting audio data |
| 07/13/2005 | EP1553562A2 Pitch marks management for speech synthesis |