| 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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| 08/22/2002 | US20020116187 Speech detection |
| 08/22/2002 | US20020116184 REW parametric vector quantization and dual-predictive SEW vector quantization for waveform interpolative coding |
| 08/22/2002 | US20020116182 Controlling a weighting filter based on the spectral content of a speech signal |
| 08/22/2002 | US20020116181 Hardware function generator support in a DSP |
| 08/22/2002 | US20020116180 Method for transmission and storage of speech |
| 08/22/2002 | US20020116179 Apparatus, method, and computer program product for encoding audio signal |
| 08/22/2002 | US20020114492 Encoding and decoding in accordance with steganographically-conveyed data |
| 08/22/2002 | US20020114463 Modifying material |
| 08/22/2002 | CA2438182A1 Method and apparatus for reducing undesired packet generation |
| 08/22/2002 | CA2434206A1 Method and apparatus for the compression and decompression of image files using a chaotic system |
| 08/21/2002 | EP1233408A1 Method and apparatus for selecting an encoding rate in a variable rate vocoder |
| 08/21/2002 | EP1232494A1 Gain-smoothing in wideband speech and audio signal decoder |
| 08/21/2002 | EP1232472A1 Methods for optimizing watermark detection |
| 08/21/2002 | CN1365566A Video signal analysis and storage |
| 08/21/2002 | CN1365196A Non damage decoder and its method |
| 08/21/2002 | CN1365195A Non damage decoder and its method |
| 08/21/2002 | CN1365194A Non-damage decoder and its method |
| 08/21/2002 | CN1365193A Treating method for sound frequency data and nondamage decoding method |
| 08/21/2002 | CN1365192A Method for real-time non-damage coding input sound frequency data and decoding method |
| 08/21/2002 | CN1365099A Pre-explanation and executing method of Java computer program language |
| 08/20/2002 | US6438525 Scalable audio coding/decoding method and apparatus |
| 08/20/2002 | US6438518 Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions |
| 08/20/2002 | US6438517 Multi-stage pitch and mixed voicing estimation for harmonic speech coders |
| 08/20/2002 | US6438373 Time synchronization of human speech samples in quality assessment system for communications system |
| 08/20/2002 | US6438231 Emulsion film media employing steganography |
| 08/20/2002 | CA2189666C Waveform speech synthesis |
| 08/15/2002 | WO2002063611A1 Method and device for the generation or decoding of a scalable data stream with provision for a bit-store, encoder and scalable encoder |
| 08/15/2002 | WO2002063610A1 Voice code sequence converting device and method |
| 08/15/2002 | WO2002063609A1 Method and device for processing numerous audio binary streams |
| 08/15/2002 | WO2002062120A2 Method and apparatus for speech reconstruction in a distributed speech recognition system |
| 08/15/2002 | WO2002056297A8 Adaptive-block-length audio coder |
| 08/15/2002 | WO2002045286A8 Acoustic communication system |
| 08/15/2002 | WO2002045273A8 Communication system |
| 08/15/2002 | WO2002025634A3 Signal processing system for filtering spectral content of a signal for speech coding |
| 08/15/2002 | WO2002023533A3 System for improved use of pitch enhancement with subcodebooks |
| 08/15/2002 | US20020111812 Method and apparatus for encoding and decoding pause informantion |
| 08/15/2002 | US20020111804 Method and apparatus for reducing undesired packet generation |
| 08/15/2002 | US20020111801 Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec |
| 08/15/2002 | US20020111800 Voice encoding and voice decoding apparatus |
| 08/15/2002 | US20020111799 Algebraic codebook system and method |
| 08/15/2002 | US20020111798 Method and apparatus for robust speech classification |
| 08/15/2002 | US20020111797 Voiced speech preprocessing employing waveform interpolation or a harmonic model |
| 08/15/2002 | US20020111704 Digital audio decoder |
| 08/14/2002 | EP1231597A1 Method and decoder for detecting bad speech frames based on spectral difference between consecutive frames |
| 08/14/2002 | EP1230827A2 Method and device for processing a stereo audio signal |
| 08/14/2002 | EP0792502B1 Very low bit rate voice messaging system using asymmetric voice compression processing |
| 08/14/2002 | CN1364298A System and method for displaying information on screen of user interface device under control of digital audio playback device |
| 08/14/2002 | CN1364290A Laguerre fonction for audio coding |
| 08/14/2002 | CN1364289A Sub-packet insertion for packet loss compensation in voice over IP net works |
| 08/14/2002 | CN1364288A Method and apparatus for decoding source signals |
| 08/14/2002 | CN1364287A Method for decreasing the processing capacity required by speech encoding and a network element |
| 08/14/2002 | CN1364037A System and method for formatting speech data in mobile communication system |
| 08/14/2002 | CN1363922A Method for downloading songs to user computer over Internet |
| 08/14/2002 | CN1363903A Reprocessing apparatus and method for record |
| 08/13/2002 | US6434519 Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder |
| 08/13/2002 | US6434198 Method for conveying TTY signals over wireless communication systems |
| 08/13/2002 | US6434137 Method and system for transferring information within a mobile communication system |
| 08/08/2002 | US20020108043 Method and apparatus for encrypting and decrypting data using encrypting key contained in electronic watermark |
| 08/08/2002 | US20020108036 Data processing system, data processing method, data processing apparatus, license system, and program providing medium |
| 08/08/2002 | US20020108024 Method for protecting publicly distributed software |
| 08/08/2002 | US20020107691 Audio watermark detector |
| 08/08/2002 | US20020107686 Layered celp system and method |
| 08/08/2002 | US20020107685 Apparatus for decoding receiving signal |
| 08/08/2002 | US20020107595 Data transfer system, data transfer apparatus, data recording apparatus, data transfer method, and recording medium |
| 08/08/2002 | US20020106020 Fast method for the forward and inverse MDCT in audio coding |
| 08/08/2002 | US20020106016 Partitioned block frequency domain adaptive filter |
| 08/08/2002 | US20020105861 Standalone MP3 recording station |
| 08/08/2002 | DE10103134A1 Dekodiereinrichtung, Dekodierverfahren und Kraftfahrzeugaudiosystem mit einer derartigen Dekodiereinrichtung Decoding, decoding and automotive audio system with such a decoder |
| 08/08/2002 | DE10102159A1 Verfahren und Vorrichtung zum Erzeugen bzw.Decodieren eines skalierbaren Datenstroms unter Berücksichtigung einer Bitsparkasse, Codierer und skalierbarer Codierer Method and device for generating a scalable data stream bzw.Decodieren taking into account a bit savings bank, encoder and scalable encoder |
| 08/08/2002 | DE10102155A1 Verfahren und Vorrichtung zum Erzeugen eines skalierbaren Datenstroms und Verfahren und Vorrichtung zum Decodieren eines skalierbaren Datenstroms Method and device for generating a scalable data stream and to methods and apparatus for decoding a scalable data stream |
| 08/08/2002 | DE10102154A1 Verfahren und Vorrichtung zum Erzeugen eines skalierbaren Datenstroms und Verfahren und Vorrichtung zum Decodieren eines skalierbaren Datenstroms unter Berücksichtigung einer Bitsparkassenfunktion Method and device for generating a scalable data stream and to methods and apparatus for decoding a scalable data stream, taking into account a bit savings bank function |
| 08/07/2002 | EP1229520A2 Silence insertion descriptor (sid) frame detection with human auditory perception compensation |
| 08/07/2002 | EP1228576A1 Channel coupling for an ac-3 encoder |
| 08/07/2002 | EP1228569A1 A method of encoding frequency coefficients in an ac-3 encoder |
| 08/07/2002 | EP1228507A1 A method of reducing memory requirements in an ac-3 audio encoder |
| 08/07/2002 | EP1228506A1 Method of encoding an audio signal using a quality value for bit allocation |
| 08/07/2002 | EP1228505A1 Non-intrusive speech-quality assessment |
| 08/07/2002 | EP1228504A1 Decoding of information in audio signals |
| 08/07/2002 | EP1125283B1 Method for quantizing speech coder parameters |
| 08/07/2002 | EP0901677B1 Device for determining the quality of an output signal to be generated by a signal processing circuit, and also method |
| 08/07/2002 | CN1363167A Method and system for encoding to mitigate decoding errors in a receiver |
| 08/06/2002 | US6430534 Method for decoding coefficients of quantization per subband using a compressed table |
| 08/06/2002 | US6430533 Audio decoder core MPEG-1/MPEG-2/AC-3 functional algorithm partitioning and implementation |
| 08/06/2002 | US6430529 System and method for efficient time-domain aliasing cancellation |
| 08/06/2002 | US6430302 Steganographically encoding a first image in accordance with a second image |
| 08/06/2002 | CA2260033C A method of coding and decoding audio signals |
| 08/01/2002 | WO2002060075A2 Enhanced conversion of wideband signals to narrowband signals |
| 08/01/2002 | WO2002060070A2 System and method for error concealment in transmission of digital audio |
| 08/01/2002 | WO2002060069A1 Data processing apparatus |
| 08/01/2002 | WO2002059877A1 Data processing device |
| 08/01/2002 | WO2002059876A1 Data processing apparatus |
| 08/01/2002 | WO2002059875A2 System and method for error concealment in digital audio transmission |
| 08/01/2002 | WO2002059772A2 Blind decomposition using fourier and wavelet transforms |
| 08/01/2002 | WO2002025886A8 Digital signal processing techniques for improving audio clarity and intelligibility |
| 08/01/2002 | WO2001029691A9 System for providing a digital watermark in an audio signal |
| 08/01/2002 | US20020103652 Decoding device, decoding method and automobile audio system with such a decoding device |
| 08/01/2002 | US20020103643 Method and system for comfort noise generation in speech communication |
| 08/01/2002 | US20020103638 System for improved use of pitch enhancement with subcodebooks |
| 08/01/2002 | US20020103637 Enhancing the performance of coding systems that use high frequency reconstruction methods |
| 08/01/2002 | US20020101844 Method and apparatus for interoperability between voice transmission systems during speech inactivity |