| 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) |
|---|
| 05/06/2004 | WO2004038927A1 Packet loss recovery based on music signal classification and mixing |
| 05/06/2004 | WO2004038924A1 Method and apparatus for fast celp parameter mapping |
| 05/06/2004 | WO2004038696A1 Code conversion method and device for code conversion |
| 05/06/2004 | US20040088160 Method for encoding digital audio using advanced psychoacoustic model and apparatus thereof |
| 05/06/2004 | US20040088063 Audio delivery system |
| 05/06/2004 | EP1416472A1 Bandwidth dependent speech recognition system |
| 05/06/2004 | EP1415447A1 Method and apparatus for practicing ip telephony from an internet-capable radio |
| 05/05/2004 | CN1494714A Information transmission system, information encoding device and information decoding device |
| 05/05/2004 | CN1494055A Method and apapratus for sound encoding and decoding |
| 05/05/2004 | CN1148974C 压缩码译码设备 Compressed code decoding device |
| 05/05/2004 | CN1148901C System and method for broadcast encoding |
| 05/05/2004 | CN1148721C Method and apparatus for providing feedback from decoder to encoder to improve performance in a predictive speech coder under frame erasure conditions |
| 05/04/2004 | US6732075 Sound synthesizing apparatus and method, telephone apparatus, and program service medium |
| 05/04/2004 | US6732072 Processing received data in a distributed speech recognition process |
| 05/04/2004 | US6732071 Method, apparatus, and system for efficient rate control in audio encoding |
| 05/04/2004 | US6732070 Wideband speech codec using a higher sampling rate in analysis and synthesis filtering than in excitation searching |
| 05/04/2004 | US6732069 Linear predictive analysis-by-synthesis encoding method and encoder |
| 05/04/2004 | US6731634 Lost packet replacement for voice applications over packet network |
| 04/29/2004 | WO2004036552A1 Noise reduction in subbanded speech signals |
| 04/29/2004 | WO2004036551A1 Preprocessing of digital audio data for mobile audio codecs |
| 04/29/2004 | WO2004036550A1 Sinusoidal audio coding with phase updates |
| 04/29/2004 | WO2004036549A1 Signal filtering |
| 04/29/2004 | WO2004036548A1 Method for coding and decoding the wideness of a sound source in an audio scene |
| 04/29/2004 | US20040083258 Information processing method and apparatus, recording medium, and program |
| 04/29/2004 | US20040083110 Packet loss recovery based on music signal classification and mixing |
| 04/29/2004 | US20040083097 Optimized windows and interpolation factors, and methods for optimizing windows, interpolation factors and linear prediction analysis in the ITU-T G.729 speech coding standard |
| 04/29/2004 | US20040083096 Method and apparatus for gradient-descent based window optimization for linear prediction analysis |
| 04/29/2004 | US20040083095 Method and apparatus for coding a noise-suppressed audio signal |
| 04/29/2004 | US20040083094 Wavelet-based compression and decompression of audio sample sets |
| 04/29/2004 | US20040081243 Information encoding apparatus and method, information decoding apparatus and method, recording medium, and program |
| 04/29/2004 | US20040081100 Tandem-free vocoder operations between non-compatible communication systems |
| 04/29/2004 | DE4320990B4 Verfahren zur Redundanzreduktion Method for redundancy reduction |
| 04/29/2004 | DE19959037B4 Verfahren zur Dekodierung von digitalen Audiodaten Method for decoding digital audio data |
| 04/28/2004 | EP1414158A1 Method of decoding an incident turbo-code encoded signal in a receiver, and corresponding receiver, in particular for mobile radio systems |
| 04/28/2004 | EP1414156A1 Apparatus for clocking digital and analog circuits on a common substrate and Method |
| 04/28/2004 | EP1414024A1 Realistic comfort noise for voice calls over packet networks |
| 04/28/2004 | EP1412932A1 Language learning system and a digital storage unit |
| 04/28/2004 | EP1338000B1 Enhancing source coding systems by adaptive transposition |
| 04/28/2004 | EP0873614B1 Post-compression hidden data transport |
| 04/28/2004 | EP0801857B1 Method for substituting bad speech frames in a digital communication system |
| 04/28/2004 | EP0414838B2 Process for transmitting a signal |
| 04/28/2004 | CN1493072A Encoding method and decoding method for digital data |
| 04/28/2004 | CN1492429A Method and device for obtaining DVD disc controlled content or information and method for controlling DVD device |
| 04/28/2004 | CN1492426A Data transmission system, data recording and reproducing device and recording medium |
| 04/28/2004 | CN1492395A Variable speed sounder |
| 04/28/2004 | CN1492344A Digital signal processing device and digital signal processing method |
| 04/28/2004 | CN1148048C Cellular phone with expansion memory for audio and video storage |
| 04/28/2004 | CN1148034C Coding method of restoring digital voice signal sound and device for implementing said method |
| 04/28/2004 | CN1148004C Data compression/expansion on plurality of digital information signals |
| 04/28/2004 | CN1147833C Method and apparatus for generating and encoding line spectral square roots |
| 04/27/2004 | US6728683 Reproducing apparatus and reproducing method |
| 04/27/2004 | US6728672 Speech packetizing based linguistic processing to improve voice quality |
| 04/27/2004 | US6728669 Relative pulse position in celp vocoding |
| 04/27/2004 | US6728390 Methods and systems using multiple watermarks |
| 04/27/2004 | US6727421 Reproducing apparatus |
| 04/27/2004 | CA2286068C Method for coding an audio signal |
| 04/22/2004 | WO2004034379A2 Methods and devices for source controlled variable bit-rate wideband speech coding |
| 04/22/2004 | WO2004034376A2 Methods for interoperation between adaptive multi-rate wideband (amr-wb) and multi-mode variable bit-rate wideband (wmr-wb) speech codecs |
| 04/22/2004 | WO2004021710A3 Device and method for scalable coding and device and method for scalable decoding |
| 04/22/2004 | WO2003085844A3 Communications gateway with messaging communications interface |
| 04/22/2004 | US20040078200 Noise reduction in subbanded speech signals |
| 04/22/2004 | US20040078197 Method and device for determining the quality of a speech signal |
| 04/22/2004 | US20040078196 Signal processing method and processor |
| 04/22/2004 | US20040076406 Information recording apparatus and method |
| 04/22/2004 | US20040076287 Background noise |
| 04/22/2004 | US20040076271 Audio signal quality enhancement in a digital network |
| 04/22/2004 | US20040076226 Multiple data rate communication system |
| 04/22/2004 | US20040074378 Method and device for characterising a signal and method and device for producing an indexed signal |
| 04/22/2004 | CA2501369A1 Methods for interoperation between adaptive multi-rate wideband (amr-wb) and multi-mode variable bit-rate wideband (wmr-wb) speech codecs |
| 04/22/2004 | CA2501368A1 Methods and devices for source controlled variable bit-rate wideband speech coding |
| 04/21/2004 | EP1411498A1 Method and apparatus for describing sound sources |
| 04/21/2004 | EP1410687A1 Efficient and scalable parametric stereo coding for low bitrate applications |
| 04/21/2004 | EP1410379A2 Speech to data converter |
| 04/21/2004 | EP1057261B1 Apparatus and method for the clocking of digital and analog circuits on a common substrate to reduce noise |
| 04/21/2004 | CN1491063A Method for shortening active receiving time and saving power in stand-by mode |
| 04/21/2004 | CN1491026A Acoustic processor, processing method, computer program and storage media |
| 04/21/2004 | CN1146864C Speech synthesis method and apparatus |
| 04/21/2004 | CN1146861C Pitch extracting method in speech processing unit |
| 04/20/2004 | US6725412 Low latency data encoder |
| 04/20/2004 | US6725192 Audio coding and quantization method |
| 04/20/2004 | US6725191 Method and apparatus for transmitting voice over internet |
| 04/20/2004 | US6725110 Digital audio decoder |
| 04/20/2004 | US6724912 Indicia formed in opacification layer applied to translucent substrate or laminate; two dimensional pattern applied by an algorithmic transformation to a plural bit payload; computers |
| 04/15/2004 | WO2004032418A2 Secure audio stream scrambling system |
| 04/15/2004 | US20040073429 Information transmitting system, information encoder and information decoder |
| 04/15/2004 | US20040073422 Apparatus and methods for surreptitiously recording and analyzing audio for later auditioning and application |
| 04/15/2004 | US20040073421 Method and device for encoding wideband speech capable of independently controlling the short-term and long-term distortions |
| 04/15/2004 | US20040073420 Method of estimating pitch by using ratio of maximum peak to candidate for maximum of autocorrelation function and device using the method |
| 04/15/2004 | US20040071300 Sharing wavelet domain components among encoded signals |
| 04/15/2004 | US20040071132 Method and a communication apparatus in a communication system |
| 04/15/2004 | US20040070523 Matrix improvements to lossless encoding and decoding |
| 04/15/2004 | US20040069119 Musical instrument digital recording device with communications interface |
| 04/14/2004 | EP1408686A1 Data transmitting device and method |
| 04/14/2004 | EP1408679A2 Multiple data rate communication system |
| 04/14/2004 | EP1408616A1 Noise cancellor |
| 04/14/2004 | EP1408484A2 Enhancing perceptual quality of sbr (spectral band replication) and hfr (high frequency reconstruction) coding methods by adaptive noise-floor addition and noise substitution limiting |
| 04/14/2004 | EP1407544A2 Filter circuit and method for processing an audio signal |
| 04/14/2004 | EP1407446A1 Method and device for characterising a signal and for producing an indexed signal |
| 04/14/2004 | EP1342230B1 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
| 04/14/2004 | CN1489762A Method and system for speech frame error concealment in speech decoding |