| 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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| 02/12/2004 | DE10240902B3 Evaluation of data containing useful information received via cellular network, detects error-masking by statistical analysis following reception |
| 02/11/2004 | EP1389011A2 A method of embedding a steganographic code in an image signal |
| 02/11/2004 | EP1388846A2 Method and device for wideband speech coding able to independently control short-term and long-term distortions |
| 02/11/2004 | EP1388845A1 Transcoder and encoder for speech signals having embedded data |
| 02/11/2004 | EP1388146A2 Method for encoding and transmitting voice signals |
| 02/11/2004 | EP1388144A2 Method and system for line spectral frequency vector quantization in speech codec |
| 02/11/2004 | EP1327243B1 Method and device for the generation of a scalable data stream and method and device for decoding a scalable data stream |
| 02/11/2004 | EP0917710B1 Method and apparatus for searching an excitation codebook in a code excited linear prediction (celp) coder |
| 02/11/2004 | CN1475045A Generating coefficients for prediction filter in encoder |
| 02/11/2004 | CN1475010A Enhancing performance of coding system that use high frequency reconstruction methods |
| 02/11/2004 | CN1474622A Communication terminal capable of revising transmitting voice in telephone call |
| 02/11/2004 | CN1138254C Audio signal compressing coding/decoding method based on wavelet conversion |
| 02/10/2004 | US6691092 Voicing measure as an estimate of signal periodicity for a frequency domain interpolative speech codec system |
| 02/10/2004 | US6691085 Method and system for estimating artificial high band signal in speech codec using voice activity information |
| 02/10/2004 | US6691084 Multiple mode variable rate speech coding |
| 02/10/2004 | US6691083 Wideband speech synthesis from a narrowband speech signal |
| 02/10/2004 | US6691082 Method and system for sub-band hybrid coding |
| 02/05/2004 | WO2004012097A1 Method for fast dynamic estimation of background noise |
| 02/05/2004 | WO2003052744A3 Signal modification method for efficient coding of speech signals |
| 02/05/2004 | WO2003019775A3 Audio processing device |
| 02/05/2004 | US20040024597 Regular-pulse excitation speech coder |
| 02/05/2004 | US20040024595 Speech coder/decoder |
| 02/05/2004 | US20040024594 Fine granularity scalability speech coding for multi-pulses celp-based algorithm |
| 02/05/2004 | US20040024593 Acoustic signal encoding method and apparatus, acoustic signal decoding method and apparatus and recording medium |
| 02/05/2004 | US20040024592 Audio data processing apparatus and audio data distributing apparatus |
| 02/05/2004 | US20040024591 Method and apparatus for enhancing loudness of an audio signal |
| 02/05/2004 | US20040024589 Transmission apparatus, transmission method, reception apparatus, reception method, and transmission/reception apparatus |
| 02/05/2004 | US20040024588 Modulating one or more parameters of an audio or video perceptual coding system in response to supplemental information |
| 02/05/2004 | US20040023677 Method, device and program for coding and decoding acoustic parameter, and method, device and program for coding and decoding sound |
| 02/05/2004 | US20040022130 Multifunction wristwatch |
| 02/05/2004 | DE10331893A1 Verfahren zum Sparen von Leistung durch Reduzierung der Zeit des aktiven Empfangs im Standby-Betrieb Method for conserving power by reducing the period of active reception in standby mode |
| 02/05/2004 | DE10315517A1 Multimediasystem und -verfahren Multimedia system and method |
| 02/04/2004 | EP1387351A1 Speech encoding device and method having TFO (Tandem Free Operation) function |
| 02/04/2004 | EP1386312A1 Improving transient performance of low bit rate audio coding systems by reducing pre-noise |
| 02/04/2004 | EP1386311A1 Inverse filtering method, synthesis filtering method, inverse filter device, synthesis filter device and devices comprising such filter devices |
| 02/04/2004 | EP1386310A1 Device to encode, decode and broadcast audio signal with reduced size spectral information |
| 02/04/2004 | EP1386309A1 Method and device to distinguish between voice conversation and automated speech recognition |
| 02/04/2004 | EP1386308A1 Adpcm speech coding system with specific step-size adaptation |
| 02/04/2004 | EP1386307A1 Method and device for determining a quality measure for an audio signal |
| 02/04/2004 | CN1473430A Mixed-media telecommunication call set-up |
| 02/04/2004 | CN1473325A Pitch waveform signal generation apparatus, pitch waveform signal generation method, and program |
| 02/04/2004 | CN1473322A Pitch waveform signal generation apparatus, pitch waveform signal generation method, and program |
| 02/04/2004 | CN1472949A 代码结构和代码阅读终端 Code structure and code reading terminal |
| 02/04/2004 | CN1137546C Device and method for encoding digital data signals |
| 02/03/2004 | US6687670 Error concealment in digital audio receiver |
| 02/03/2004 | US6687668 Method for improvement of G.723.1 processing time and speech quality and for reduction of bit rate in CELP vocoder and CELP vococer using the same |
| 02/03/2004 | US6687667 Method for quantizing speech coder parameters |
| 02/03/2004 | US6687666 Voice encoding device, voice decoding device, recording medium for recording program for realizing voice encoding/decoding and mobile communication device |
| 02/03/2004 | US6687663 Audio processing method and apparatus |
| 02/03/2004 | US6687383 System and method for coding audio information in images |
| 02/03/2004 | US6687265 ATM-WAN audio communication selecting system |
| 02/03/2004 | US6687193 Audio reproduction apparatus having audio modulation function, method used by the apparatus, remixing apparatus using the audio reproduction apparatus, and method used by the remixing apparatus |
| 02/03/2004 | US6686530 Universal digital media communications and control system and method |
| 02/03/2004 | CA2326495C Technique for parametric coding of a signal containing information |
| 01/29/2004 | WO2004010416A1 Method and device for code conversion between voice encoding and decoding methods and storage medium thereof |
| 01/29/2004 | WO2004010376A1 Watermark detection |
| 01/29/2004 | WO2004010352A1 Determining type of signal encoder |
| 01/29/2004 | US20040019492 Audio coding systems and methods |
| 01/29/2004 | US20040019481 Received voice processing apparatus |
| 01/29/2004 | US20040019480 Speech encoding device having TFO function and method |
| 01/29/2004 | US20040018004 Audio recording and playback device |
| 01/29/2004 | US20040017927 Information terminal and information communication system |
| 01/29/2004 | US20040017811 Packet loss recovery |
| 01/29/2004 | US20040016809 Method and system for illustrating sound and text |
| 01/29/2004 | DE19882753B4 Hintergrundrauschen-Kontrastreduzierung für Umschaltungen mit einer Änderung der Sprachcoder Background noise reduction for switching contrast with a change of voice coder |
| 01/29/2004 | DE10230809A1 Verfahren zur Übertragung von Audiosignalen nach dem Verfahren der priorisierenden Pixelübertragung Method for transmitting audio signals according to the method of prioritizing pixel transmission |
| 01/28/2004 | EP1385150A1 Method and system for parametric characterization of transient audio signals |
| 01/28/2004 | EP1384367A1 Real-time control of playback rates in presentations |
| 01/28/2004 | CN1471704A Pitch cycle search range setting device and pitch cycle search device |
| 01/28/2004 | CN1471236A Signal adaptive multi resolution wave filter set for sensing audio encoding |
| 01/28/2004 | CN1471079A Transmission line encoding method, transmission line clecoding method and apparatus thereof |
| 01/28/2004 | CN1136760C Method and appartus for error masking in multi-channel audio signals |
| 01/28/2004 | CN1136745C Method for implementing multi-language coding-decoding in universal mobile communication system |
| 01/28/2004 | CN1136537C Method and apparatus for synthesizing speech using regenerated phase information |
| 01/27/2004 | US6684060 Digital wireless premises audio system and method of operation thereof |
| 01/27/2004 | US6683994 HVQ-based filtering method |
| 01/27/2004 | US6683944 Voice transmitter |
| 01/22/2004 | WO2004008806A1 Audio coding |
| 01/22/2004 | WO2004008805A1 Audio coding |
| 01/22/2004 | WO2004008652A1 Method and system for vocoder bypass using electronic serial numbers |
| 01/22/2004 | WO2004008437A2 Audio coding |
| 01/22/2004 | WO2004008436A1 Low bit-rate audio coding |
| 01/22/2004 | WO2004008435A1 Transmission device, transmission method, reception device, reception method, transmission/reception device, communication device, communication method, recording medium, and program |
| 01/22/2004 | US20040015766 Encoding apparatus and encoding method |
| 01/22/2004 | US20040015363 Audio watermarking to convey auxiliary information, and media employing same |
| 01/22/2004 | US20040015362 Methods for decoding watermark data from audio, and controlling audio devices in accordance therewith |
| 01/22/2004 | US20040015361 Encoding media data for decompression at remote computers employing automatic decoding options |
| 01/22/2004 | US20040015359 Signal coupling method and apparatus |
| 01/22/2004 | US20040015349 Low bit-rate audio coding systems and methods that use expanding quantizers with arithmetic coding |
| 01/22/2004 | US20040015346 Vector quantizing for lpc parameters |
| 01/22/2004 | US20040014505 Method of saving power by reducing active reception time in standby mode |
| 01/22/2004 | US20040014490 Code structure and code reading terminal |
| 01/22/2004 | US20040013276 Analog audio signal enhancement system using a noise suppression algorithm |
| 01/22/2004 | US20040013245 Voice storage device and voice coding device |
| 01/21/2004 | EP1383126A1 Method of recording on recording medium and recording device, and method of reproducing from recording mediumand reproducing device |
| 01/21/2004 | EP1383113A1 Method and device for wide band speech coding capable of controlling independently short term and long term distortions |
| 01/21/2004 | EP1383112A2 Method and device for enlarged bandwidth speech coding, allowing in particular an improved quality of voiced frames |
| 01/21/2004 | EP1383111A2 Method and device for speechcoding with enlarged bandwidth |
| 01/21/2004 | EP1383110A1 Method and device for wide band speech coding, particularly allowing for an improved quality of voised speech frames |
| 01/21/2004 | EP1383109A1 Method and device for wide band speech coding |