| 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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| 09/28/2004 | US6799164 Method, apparatus, and medium of digital acoustic signal coding long/short blocks judgement by frame difference of perceptual entropy |
| 09/28/2004 | US6799161 Variable bit rate speech encoding after gain suppression |
| 09/28/2004 | US6799160 Noise canceller |
| 09/28/2004 | US6799159 Method and apparatus employing a vocoder for speech processing |
| 09/28/2004 | US6798894 Method and apparatus for watermarking video images |
| 09/28/2004 | CA2456496A1 Method for providing digital cinema content based upon audience metrics |
| 09/23/2004 | WO2004082288A1 Switching between coding schemes |
| 09/23/2004 | WO2004081918A1 Method and device for the spectral reconstruction of an audio signal |
| 09/23/2004 | US20040186933 Data transmit method and data transmit apparatus |
| 09/23/2004 | US20040186735 Encoder programmed to add a data payload to a compressed digital audio frame |
| 09/23/2004 | US20040186734 Method and apparatus for mixing audio stream and information storage medium thereof |
| 09/23/2004 | US20040186716 Mapping objective voice quality metrics to a MOS domain for field measurements |
| 09/23/2004 | US20040184537 Method and apparatus for scalable encoding and method and apparatus for scalable decoding |
| 09/23/2004 | US20040184443 Low-complexity packet loss concealment method for voice-over-IP speech transmission |
| 09/23/2004 | US20040184369 Device and method for embedding a watermark in an audio signal |
| 09/23/2004 | US20040183859 Ink-jet head unit |
| 09/23/2004 | US20040183703 Method and appparatus for encoding and/or decoding digital data |
| 09/23/2004 | DE3943798B4 Verfahren zum Erzeugen von Quelltondaten A method of generating Quelltondaten |
| 09/22/2004 | EP1192621B1 Audio encoding with harmonic components |
| 09/22/2004 | EP1192619B1 Audio coding and decoding by interpolation |
| 09/22/2004 | EP1192618B1 Audio coding with adaptive liftering |
| 09/22/2004 | EP1072036B1 Fast frame optimisation in an audio encoder |
| 09/22/2004 | CN1531723A Injection high frequency noise into pulse excitation for low bit rate celp |
| 09/22/2004 | CN1530927A Position detecting and speech broadcasting system |
| 09/22/2004 | CN1168332C Method and apparatus for detection and bypass of tandem vocoding |
| 09/22/2004 | CN1168325C Magnetic tape record equipment and method, magnetic tape reproducing equipment and method and record medium |
| 09/22/2004 | CN1168072C Vocoder ASIC |
| 09/22/2004 | CN1168071C Method and apparatus for selecting encoding rate in variable rate vocoder |
| 09/21/2004 | USRE38593 Adaptive transform coding system, adaptive transform decoding system and adaptive transform coding/decoding system |
| 09/21/2004 | US6795807 Method and means for creating prosody in speech regeneration for laryngectomees |
| 09/21/2004 | US6795805 Periodicity enhancement in decoding wideband signals |
| 09/21/2004 | US6795804 System and method for enhancing speech and pattern recognition using multiple transforms |
| 09/21/2004 | US6795383 Optical disk and apparatus and method of recording and reproducing data thereof |
| 09/21/2004 | US6794996 Content supply system and information processing method |
| 09/21/2004 | US6794995 Information reproducing apparatus, information reproducing method, information recording medium, information recording apparatus, information recording method, and information recording program |
| 09/16/2004 | WO2004080125A1 Support of a multichannel audio extension |
| 09/16/2004 | WO2004079936A1 Preprocessing of digital audio data for improving perceptual sound quality on a mobile phone |
| 09/16/2004 | WO2004079923A2 Method and apparatus for audio compression |
| 09/16/2004 | US20040181411 Voicing index controls for CELP speech coding |
| 09/16/2004 | US20040181408 Method for training of subspace coded gaussian models |
| 09/16/2004 | US20040181405 Recovering an erased voice frame with time warping |
| 09/16/2004 | US20040181403 Coding apparatus and method thereof for detecting audio signal transient |
| 09/16/2004 | US20040181400 Apparatus, methods and articles incorporating a fast algebraic codebook search technique |
| 09/16/2004 | US20040181399 Signal decomposition of voiced speech for CELP speech coding |
| 09/16/2004 | US20040181398 Apparatus for coding wide-band low bit rate speech signal |
| 09/16/2004 | US20040181397 Adaptive correlation window for open-loop pitch |
| 09/16/2004 | US20040181395 Scalable stereo audio coding/decoding method and apparatus |
| 09/16/2004 | US20040181394 Method and apparatus for encoding/decoding audio data with scalability |
| 09/16/2004 | US20040181393 Tonal analysis for perceptual audio coding using a compressed spectral representation |
| 09/16/2004 | US20040179700 Filter circuit and method for processing an audio signal |
| 09/16/2004 | US20040179664 Processing apparatus for acquired signals |
| 09/16/2004 | US20040178256 Method and system for illustrating sound and text |
| 09/16/2004 | DE3943801B4 Vorrichtung zum Erzeugen von Quelltondaten An apparatus for generating Quelltondaten |
| 09/16/2004 | DE3943800B4 Generating source audio data |
| 09/16/2004 | DE10297035T5 Rekonstruktion von Nachrichten anhand von Teildetektion Reconstruction of messages based on part detection |
| 09/15/2004 | EP1458145A1 Error concealment apparatus and method |
| 09/15/2004 | EP1458104A2 Method an apparatus for compressing and transmitting high speed data |
| 09/15/2004 | EP1457971A1 Information transmitting system, information encoder and information decoder |
| 09/15/2004 | EP1457970A1 Code conversion method; apparatus; program; and storage medium |
| 09/15/2004 | EP1457967A2 Compression of gaussian models |
| 09/15/2004 | EP1457965A2 Music data transmission between an electronic apparatus and a communication device |
| 09/15/2004 | EP1247243A4 Audio player with code sensor |
| 09/15/2004 | EP1157374B1 Enhancing perceptual performance of sbr and related hfr coding methods by adaptive noise-floor addition and noise substitution limiting |
| 09/15/2004 | EP1129537B1 Processing received data in a distributed speech recognition process |
| 09/15/2004 | EP0929891B1 Methods and devices for noise conditioning signals representative of audio information in compressed and digitized form |
| 09/15/2004 | EP0879527B1 Training process for signal classification apparatus |
| 09/15/2004 | CN2640847Y Vehicle digital audio auto playback device |
| 09/15/2004 | CN1529307A Method and apparatus for detection of tandem encoding |
| 09/15/2004 | CN1167292C Method for implementing base station speech compression in mobile communication system |
| 09/15/2004 | CN1167048C Speech coding apparatus and speech decoding apparatus |
| 09/15/2004 | CN1167047C Sound source vector generator and method thereof |
| 09/15/2004 | CN1167046C Vector encoding method and encoder/decoder using the method |
| 09/14/2004 | US6792542 Digital system for embedding a pseudo-randomly modulated auxiliary data sequence in digital samples |
| 09/14/2004 | US6792444 Filter devices and methods |
| 09/14/2004 | US6792403 Method and apparatus for compressing and transmitting ultra high speed data |
| 09/14/2004 | US6792402 Method and device for defining table of bit allocation in processing audio signals |
| 09/10/2004 | WO2004077806A1 Audibility enhancement |
| 09/10/2004 | WO2004077408A1 Band correcting apparatus |
| 09/10/2004 | WO2004054296A3 Tandem-free intersystem voice communication |
| 09/09/2004 | US20040177308 Encoding apparatus and method, and decoding apparatus and method for error correction |
| 09/09/2004 | US20040176961 Method of encoding and/or decoding digital audio using time-frequency correlation and apparatus performing the method |
| 09/09/2004 | US20040176951 LSF coefficient vector quantizer for wideband speech coding |
| 09/09/2004 | US20040176950 Methods and apparatuses for variable dimension vector quantization |
| 09/09/2004 | US20040176948 Apparatus and method for processing audio signal and computer readable recording medium storing computer program for the method |
| 09/09/2004 | US20040175051 Apparatus, method and program for compressing information |
| 09/09/2004 | US20040174996 Digital rights management |
| 09/09/2004 | US20040174984 Method and apparatus for DTMF detection and voice mixing in the CELP parameter domain |
| 09/09/2004 | US20040174911 Method and apparatus for encoding and/or decoding digital data using bandwidth extension technology |
| 09/09/2004 | US20040174899 Generic on-chip homing and resident, real-time bit exact tests |
| 09/08/2004 | EP1455552A2 Microphone array, method and apparatus for forming constant directivity beams using the same, and method and apparatus for estimating acoustic source direction using the same |
| 09/08/2004 | EP1455509A2 Method and system for speech recording |
| 09/08/2004 | EP1455504A2 Apparatus and method for processing audio signal and computer readable recording medium storing computer program for the method |
| 09/08/2004 | EP1455356A2 A method for processing a Digital Video (DV) audio signal |
| 09/08/2004 | EP1455345A1 Method and apparatus for encoding and/or decoding digital data using bandwidth extension technology |
| 09/08/2004 | EP1455344A1 Mask generation process and device in an audio encoder |
| 09/08/2004 | EP1455343A2 System and method of testing all media encoders and decoders in a digital communication system |
| 09/08/2004 | EP1454315A2 Signal modification method for efficient coding of speech signals |
| 09/08/2004 | EP1338004B1 Method and device for the generation or decoding of a scalable data stream with provision for a bit-store, encoder and scalable encoder |
| 09/08/2004 | EP1110339A4 Method and apparatus for coding an information signal using delay contour adjustment |
| 09/08/2004 | CN1528053A Noise cancellor |