| 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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| 08/08/2000 | US6101466 Method and system for improved discontinuous speech transmission |
| 08/08/2000 | US6101465 System and method for bit interleaving of full-rate speech data |
| 08/08/2000 | US6101464 Coding and decoding system for speech and musical sound |
| 08/08/2000 | US6101463 Method for compressing a speech signal by using similarity of the F1 /F0 ratios in pitch intervals within a frame |
| 08/08/2000 | US6101462 Signal processing arrangement for time varying band-limited signals using TESPAR Symbols |
| 08/03/2000 | WO2000045389A1 Data framing for adaptive-block-length coding system |
| 08/03/2000 | WO2000045379A2 Enhancing perceptual performance of sbr and related hfr coding methods by adaptive noise-floor addition and noise substitution limiting |
| 08/03/2000 | WO2000045378A2 Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| 08/03/2000 | WO2000045328A1 Data carrier provided with at least two decoding stages |
| 08/02/2000 | EP1024617A2 Multiple program decoding for digital audio broardcasting and other applications |
| 08/02/2000 | EP1024615A2 Joint multiple program coding for digital audio broadcasting and other applications |
| 08/02/2000 | EP1024477A1 Multimode speech encoder and decoder |
| 08/02/2000 | EP1023809A1 Frame-based audio coding with gain-control words |
| 08/02/2000 | EP1023777A1 Method and device for limiting a stream of audio data with a scaleable bit rate |
| 08/02/2000 | EP1023730A1 Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries |
| 08/02/2000 | EP1023727A1 Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries |
| 08/02/2000 | EP0796490B1 Signal prediction method and device for a speech coder |
| 08/01/2000 | US6098045 Sound compression/decompression method and system |
| 08/01/2000 | US6098044 DVD audio decoder having efficient deadlock handling |
| 08/01/2000 | US6098039 Audio encoding apparatus which splits a signal, allocates and transmits bits, and quantitizes the signal based on bits |
| 08/01/2000 | US6098037 Formant weighted vector quantization of LPC excitation harmonic spectral amplitudes |
| 08/01/2000 | US6098036 Speech coding system and method including spectral formant enhancer |
| 08/01/2000 | US6097880 Digital signal processing method, digital signal processing apparatus, digital signal recording method, digital signal recording apparatus, recording medium, digital signal transmission method and digital signal transmission apparatus |
| 08/01/2000 | CA2166138C A celp-type speech encoder having an improved long-term predictor |
| 07/27/2000 | WO2000005828A9 Communication system with fast control traffic |
| 07/27/2000 | WO1997042742A3 Transmission of a digital information signal having a specific first sampling frequency |
| 07/27/2000 | EP0843933A3 Transmission of a digital information signal having a specific first sampling frequency |
| 07/27/2000 | DE19901204A1 Verfahren zur Realisierung von Mehrfach-Punktcodes in einer Vermittlungsstelle A process for the realization of multiple point codes in a switching center |
| 07/26/2000 | EP1021807A2 Apparatus and method for simplified analog signal record and playback |
| 07/26/2000 | EP1021805A1 Method for conditioning a digital speech signal |
| 07/26/2000 | CN1261235A Method for transmitting facsimile signals through radio communication system |
| 07/25/2000 | US6094638 Audio signal processing apparatus and audio signal processing method for multi channel audio reproduction system |
| 07/25/2000 | US6094637 Fast MPEG audio subband decoding using a multimedia processor |
| 07/25/2000 | US6094636 Scalable audio coding/decoding method and apparatus |
| 07/25/2000 | US6094631 Method of signal compression |
| 07/25/2000 | US6094630 Sequential searching speech coding device |
| 07/25/2000 | US6094629 Speech coding system and method including spectral quantizer |
| 07/25/2000 | US6094628 Method and apparatus for transmitting user-customized high-quality, low-bit-rate speech |
| 07/25/2000 | US6094575 Communication system and method |
| 07/25/2000 | US6094153 Analog-to-digital converter circuit |
| 07/25/2000 | CA2201217C Method and apparatus for coding signal while adaptively allocating number of pulses |
| 07/25/2000 | CA2177312C Method of transporting speech information in a wireless cellular system |
| 07/25/2000 | CA2175617C Filter for speech modification or enhancement, and various apparatus, systems and method using same |
| 07/20/2000 | WO2000042781A1 Method for implementing multipoint codes in an exchange |
| 07/20/2000 | WO2000042601A1 A method and device for designing and searching large stochastic codebooks in low bit rate speech encoders |
| 07/19/2000 | EP1021045A1 Method for processing and apparatus for encoding audio or video frame data |
| 07/19/2000 | EP1021044A1 Method and apparatus for encoding or decoding audio or video frame data |
| 07/19/2000 | EP1020848A2 Method for transmitting auxiliary information in a vocoder stream |
| 07/19/2000 | EP1019907A2 Speech coding |
| 07/19/2000 | EP1019868A2 Computer system linked by using information in data objects |
| 07/19/2000 | CN1260671A Method and apparatus for coding and decoding audio frequency or video requency frame data |
| 07/18/2000 | US6092082 Digital audio recorder and player with address backup function |
| 07/18/2000 | US6092046 Sound data decoder for efficient use of memory |
| 07/18/2000 | US6092039 Symbiotic automatic speech recognition and vocoder |
| 07/18/2000 | US6091773 Data compression method and apparatus |
| 07/13/2000 | WO2000041416A1 Concurrent ip based voice and data services via wireless networks |
| 07/13/2000 | WO2000041313A1 Efficient coding of side information in a lossless encoder |
| 07/13/2000 | WO2000041168A1 Adaptive windows for analysis-by-synthesis celp-type speech coding |
| 07/13/2000 | WO2000041163A2 A method and apparatus for determining speech coding parameters |
| 07/13/2000 | CA2358413A1 Concurrent ip based voice and data services via wireless networks |
| 07/12/2000 | EP1018726A2 Method and apparatus for reconstructing a linear prediction filter excitation signal |
| 07/12/2000 | EP1018117A1 Audio-player and method for controlling audio data using said audio-player |
| 07/12/2000 | CN1260093A Mobile telephone having continuous recording capability |
| 07/12/2000 | CN1259802A Error hiding or correction for speech, image and vedio signal |
| 07/12/2000 | CN1259800A Sound coding device and decoding device, optical recording medium and sound transmission method |
| 07/11/2000 | US6088668 Noise suppressor having weighted gain smoothing |
| 07/11/2000 | US6088667 LSP prediction coding utilizing a determined best prediction matrix based upon past frame information |
| 07/11/2000 | US6088590 Method and system for mobile controlled handoff and link maintenance in spread spectrum communication |
| 07/11/2000 | CA2293165A1 Method for transmitting data in wireless speech channels |
| 07/06/2000 | WO2000039955A1 Digital audio watermarking using content-adaptive, multiple echo hopping |
| 07/06/2000 | WO2000039933A1 Method and devices for coding or decoding an audio signal or bit stream |
| 07/06/2000 | WO2000039790A1 Adaptive bit allocation for audio encoder |
| 07/06/2000 | WO2000039787A2 System and method for effectively implementing fixed masking thresholds in an audio encoder device |
| 07/06/2000 | DE19960493A1 Device to encode audio/video signal |
| 07/06/2000 | CA2320171A1 Adaptive bit allocation for audio encoder |
| 07/06/2000 | CA2320169A1 System and method for effectively implementing fixed masking thresholds in an audio encoder device |
| 07/05/2000 | EP1017181A2 Encoding device and decoding device |
| 07/05/2000 | EP1017042A1 Voice activity detection driven noise remediator |
| 07/05/2000 | EP1016320A2 Method and apparatus for encoding and decoding multiple audio channels at low bit rates |
| 07/05/2000 | EP1016285A1 Re-encoding decoded signals |
| 07/05/2000 | EP1016231A1 Fast synthesis sub-band filtering method for digital signal decoding |
| 07/05/2000 | EP0931386B1 Method for signalling a noise substitution during audio signal coding |
| 07/05/2000 | EP0731449B1 Method for the modification of LPC coefficients of acoustic signals |
| 07/04/2000 | US6085163 Using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching |
| 07/04/2000 | US6085158 Updating internal states of a speech decoder after errors have occurred |
| 07/04/2000 | US6084911 Transmission of coded and compressed voice and image data in fixed bit length data packets |
| 07/04/2000 | US6084829 Information apparatus capable of selectively recording audio signal |
| 06/29/2000 | WO2000038429A1 Local video and audio network with optical data line |
| 06/29/2000 | WO2000038179A2 Variable rate speech coding |
| 06/29/2000 | WO2000038178A1 Coded enhancement feature for improved performance in coding communication signals |
| 06/29/2000 | WO2000038177A1 Periodic speech coding |
| 06/29/2000 | WO2000038176A2 Method and arrangement for finding an optimal reconstruction point |
| 06/29/2000 | DE19858493A1 Lokales Netzwerk Local network |
| 06/29/2000 | CA2356152A1 Method and arrangement for finding an optimal reconstruction point |
| 06/28/2000 | EP1014728A2 Encoder with smooth audio transitions |
| 06/28/2000 | EP1014338A1 Voice control input for portable capture devices |
| 06/28/2000 | EP1014258A2 Automatic data routing via voice command annotation |
| 06/28/2000 | CN1258164A Message compression device |
| 06/28/2000 | CN1258162A Speech control input of portable acquisition apparatus |
| 06/28/2000 | CN1258062A Quickly-adapting differential pulse encode-modulation method for speech coding |