| 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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| 05/19/2009 | US7536555 Methods for audio watermarking and decoding |
| 05/19/2009 | US7536358 Information service method, data terminal unit, data transmitting and receiving apparatus, and data transmitting apparatus |
| 05/19/2009 | US7536305 Mixed lossless audio compression |
| 05/19/2009 | US7536302 Method, process and device for coding audio signals |
| 05/19/2009 | US7536299 Correlating and decorrelating transforms for multiple description coding systems |
| 05/19/2009 | US7536298 Method of comfort noise generation for speech communication |
| 05/19/2009 | CA2424202C Method and system for speech frame error concealment in speech decoding |
| 05/14/2009 | WO2009061633A2 Perceptually weighted digital audio level compression |
| 05/14/2009 | WO2009060498A1 Inter-multipoint voice conversation apparatus |
| 05/14/2009 | WO2009059633A1 An encoder |
| 05/14/2009 | WO2009059631A1 Audio coding apparatus and method thereof |
| 05/14/2009 | WO2009059564A1 A multi-rate speech audio encoding method |
| 05/14/2009 | WO2009059557A1 Multistage quantizing method and apparatus |
| 05/14/2009 | WO2009059513A1 A coding method, an encoder and a computer readable medium |
| 05/14/2009 | WO2009059498A1 A signal process method, process device and an audio decoder |
| 05/14/2009 | WO2009059497A1 Method and apparatus for getting attenuation factor |
| 05/14/2009 | US20090125315 Transcoder using encoder generated side information |
| 05/14/2009 | US20090125314 Audio coding using downmix |
| 05/14/2009 | US20090125313 Audio coding using upmix |
| 05/14/2009 | US20090125302 Stabilization and Glitch Minimization for CCITT Recommendation G.726 Speech CODEC During Packet Loss Scenarios by Regressor Control and Internal State Updates of the Decoding Process |
| 05/14/2009 | US20090125300 Scalable encoding apparatus, scalable decoding apparatus, and methods thereof |
| 05/14/2009 | US20090125298 Vibrato detection modules in a system for automatic transcription of sung or hummed melodies |
| 05/14/2009 | US20090124280 Cellular phone, and codec circuit and receiving call sound volume automatic adjustment method for use in cellular phone |
| 05/14/2009 | US20090123026 Method and Apparatus for Associating Identifiers with Content |
| 05/14/2009 | CA2704812A1 An encoder for encoding an audio signal |
| 05/14/2009 | CA2704807A1 Audio coding apparatus and method thereof |
| 05/13/2009 | EP2057626A2 Encoding an audio signal |
| 05/13/2009 | EP2057625A1 Coding of an information signal |
| 05/13/2009 | CN101433099A Personalized decoding of multi-channel surround sound |
| 05/13/2009 | CN101432813A Renewable watermark for movie content |
| 05/13/2009 | CN101432804A Method of coding a source audio signal, corresponding coding device, decoding method and device, signal, computer program products |
| 05/13/2009 | CN101432803A Encoding method and encoding device |
| 05/13/2009 | CN101432802A Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
| 05/13/2009 | CN101432610A Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream |
| 05/13/2009 | CN101430881A Encoding, decoding and encoding/decoding method, encoding/decoding system and correlated apparatus |
| 05/13/2009 | CN101430880A Encoding/decoding method and apparatus for ambient noise |
| 05/13/2009 | CN101430879A Multi-speed audio encoding method |
| 05/13/2009 | CN100487810C MP3 decoding filter system based on reconfigurable arithmetic unit |
| 05/13/2009 | CN100487790C Method and device for selecting self-adapting codebook excitation signal |
| 05/13/2009 | CN100487789C Perception weighting filtering wave method and perception weighting filter thererof |
| 05/12/2009 | US7533022 Printed media with machine readable markings |
| 05/12/2009 | US7533016 Speech coder and speech decoder |
| 05/07/2009 | WO2009059333A1 Technique for encoding/decoding of codebook indices for quantized mdct spectrum in scalable speech and audio codecs |
| 05/07/2009 | WO2009057401A1 Reproducing device and reproducing method |
| 05/07/2009 | WO2009057329A1 Encoding device, decoding device, and method thereof |
| 05/07/2009 | WO2009057327A1 Encoder and decoder |
| 05/07/2009 | WO2009056867A1 Adaptive tuning of the perceptual model |
| 05/07/2009 | WO2009056866A1 Fast spectral partitioning for efficient encoding |
| 05/07/2009 | WO2009056047A1 A vector quantizating method and vector quantizer |
| 05/07/2009 | WO2009056035A1 Method and apparatus for judging dtx |
| 05/07/2009 | WO2009056027A1 An audio decoding method and device |
| 05/07/2009 | WO2008064577A8 A method and an apparatus for adjusting quantization quality in encoder and decoder |
| 05/07/2009 | WO2007086042A3 Method and apparatus for segmentation of audio interactions |
| 05/07/2009 | US20090119111 Stereo encoding device, and stereo signal predicting method |
| 05/07/2009 | US20090119110 Method of Encoding and Decoding an Audio Signal |
| 05/07/2009 | US20090119098 Signal processing method, processing apparatus and voice decoder |
| 05/07/2009 | US20090116486 Method and apparatus for obtaining an attenuation factor |
| 05/07/2009 | US20090114080 Voice signal blocker, talk assisting system using the same and musical instrument equipped with the same |
| 05/06/2009 | EP2056293A2 Data processing method and data processing apparatus |
| 05/06/2009 | EP2056292A2 Method and apparatus for obtaining an attenuation factor |
| 05/06/2009 | EP2056291A1 Signal processing method, processing apparatus and voice decoder |
| 05/06/2009 | EP2054884A2 Device for encoding and decoding |
| 05/06/2009 | EP2054883A1 Audio encoding system |
| 05/06/2009 | EP2054882A2 Arbitrary shaping of temporal noise envelope without side-information |
| 05/06/2009 | EP2054881A1 Audio decoding |
| 05/06/2009 | EP2054880A2 Time-warping of decoded audio signal after packet loss |
| 05/06/2009 | EP2054879A2 Re-phasing of decoder states after packet loss |
| 05/06/2009 | EP2054878A2 Constrained and controlled decoding after packet loss |
| 05/06/2009 | EP2054877A2 Updating of decoder states after packet loss concealment |
| 05/06/2009 | EP2054876A2 Packet loss concealment for sub-band predictive coding based on extrapolation of full-band audio waveform |
| 05/06/2009 | EP2054875A1 Enhanced coding and parameter representation of multichannel downmixed object coding |
| 05/06/2009 | EP2054874A1 Variable-resolution processing of frame-based data |
| 05/06/2009 | EP1451814A4 System and method for controlling the use and duplication of digital content distributed on removable media |
| 05/06/2009 | CN101427307A Method and apparatus for encoding/decoding multi-channel audio signal |
| 05/06/2009 | CN101425858A Apparatus and methods for including codes in audio signals and decoding |
| 05/06/2009 | CN101425294A Sound encoding apparatus and sound encoding method |
| 05/06/2009 | CN101425293A High-efficient sensing audio bit allocation method |
| 05/06/2009 | CN101425292A Decoding method and device for audio signal |
| 05/06/2009 | CN100485337C Selection of coding models for encoding an audio signal |
| 05/05/2009 | US7529673 Spectral parameter substitution for the frame error concealment in a speech decoder |
| 05/05/2009 | US7529664 Signal decomposition of voiced speech for CELP speech coding |
| 05/05/2009 | US7529663 Method for flexible bit rate code vector generation and wideband vocoder employing the same |
| 05/05/2009 | US7529662 LPC-to-MELP transcoder |
| 05/05/2009 | US7529660 Method and device for frequency-selective pitch enhancement of synthesized speech |
| 04/30/2009 | WO2009055493A1 Scalable speech and audio encoding using combinatorial encoding of mdct spectrum |
| 04/30/2009 | WO2009055192A1 Method and apparatus for generating an enhancement layer within an audio coding system |
| 04/30/2009 | WO2009054665A1 Multi-object audio encoding and decoding method and apparatus thereof |
| 04/30/2009 | WO2009054141A1 Conference terminal device, relay device, and coference system |
| 04/30/2009 | WO2009053728A1 Bitcount determination for iterative signal coding |
| 04/30/2009 | WO2009031871A3 A method and an apparatus of decoding an audio signal |
| 04/30/2009 | WO2007111649A3 Open-loop pitch track smoothing |
| 04/30/2009 | US20090112607 Method and apparatus for generating an enhancement layer within an audio coding system |
| 04/30/2009 | US20090112606 Channel extension coding for multi-channel source |
| 04/30/2009 | US20090112582 On-vehicle device, voice information providing system, and speech rate adjusting method |
| 04/30/2009 | US20090112581 Method and apparatus for transmitting an encoded speech signal |
| 04/30/2009 | US20090112580 Speech processing apparatus and method of speech processing |
| 04/29/2009 | EP2052548A2 Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream |
| 04/29/2009 | EP1415447B1 Method and apparatus for practicing ip telephony from an internet-capable radio |
| 04/29/2009 | CN101421781A Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| 04/29/2009 | CN101421780A Processing of excitation in audio coding and decoding |