| 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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| 02/23/2010 | US7668147 Communication system with fast control traffic |
| 02/18/2010 | WO2010019750A1 Audio signal transformatting |
| 02/18/2010 | WO2010019265A1 Parametric stereo conversion system and method |
| 02/18/2010 | WO2010019192A1 Sound field widening and phase decorrelation system and method |
| 02/18/2010 | WO2010017978A1 An apparatus for determining a converted spatial audio signal |
| 02/18/2010 | WO2010017833A1 Multichannel audio coder and decoder |
| 02/18/2010 | WO2009155569A9 Coding of transitional speech frames for low-bit-rate applications |
| 02/18/2010 | WO2009128667A3 Method and apparatus for encoding/decoding an audio signal by using audio semantic information |
| 02/18/2010 | WO2009128666A3 Method and apparatus for processing audio signals |
| 02/18/2010 | WO2009113046A3 Audio volume adjustment in digital compression systems |
| 02/18/2010 | US20100042417 Multiplexing apparatus, multiplexing method, program, and recording medium |
| 02/18/2010 | US20100042416 Coding/decoding method, system and apparatus |
| 02/18/2010 | US20100042415 Audio signal coding method and decoding method |
| 02/18/2010 | US20100042408 System for bandwidth extension of narrow-band speech |
| 02/18/2010 | US20100042406 Audio signal processing using improved perceptual model |
| 02/18/2010 | US20100040255 Processing Data Representing Video and Audio and Methods Related Thereto |
| 02/18/2010 | US20100040243 Sound Field Widening and Phase Decorrelation System and Method |
| 02/18/2010 | CA2827507A1 An apparatus for determining a spatial output multi-channel audio signal |
| 02/18/2010 | CA2822867A1 An apparatus for determining a spatial output multi-channel audio signal |
| 02/18/2010 | CA2733904A1 An apparatus for determining a converted spatial audio signal |
| 02/17/2010 | EP2154682A2 Speech coding methods |
| 02/17/2010 | EP2154681A2 Method and apparatus for speech decoding |
| 02/17/2010 | EP2154680A2 Method and apparatus for speech coding |
| 02/17/2010 | EP2154679A2 Method and apparatus for speech coding |
| 02/17/2010 | EP2154677A1 An apparatus for determining a converted spatial audio signal |
| 02/17/2010 | EP2153438A1 Post-processing for reducing quantification noise of an encoder during decoding |
| 02/17/2010 | EP2153437A1 Method and apparatus for encoding and decoding high frequency band |
| 02/17/2010 | EP2153436A1 Generating a frame of audio data |
| 02/17/2010 | CN101652810A Apparatus for processing mix signal and method thereof |
| 02/17/2010 | CN101650964A Information processing apparatus and method |
| 02/17/2010 | CN101650947A Object-oriented audio coding and decoding method and system |
| 02/17/2010 | CN101650946A Audio compression method of audio collection card applied to aeronautical data recorder |
| 02/17/2010 | CN100590713C Editing device and method for compressing audio data |
| 02/17/2010 | CN100590712C Coding apparatus and decoding apparatus |
| 02/16/2010 | US7664650 Speech speed converting device and speech speed converting method |
| 02/16/2010 | US7664635 Adaptive voice detection method and system |
| 02/16/2010 | US7664633 Audio coding via creation of sinusoidal tracks and phase determination |
| 02/16/2010 | US7664559 Effective deployment of temporal noise shaping (TNS) filters |
| 02/16/2010 | US7663527 Method of reducing quantization noise |
| 02/16/2010 | CA2392867C Method and system for device control |
| 02/16/2010 | CA2332977C System and method for encoding an audio signal, by adding an inaudible code to the audio signal, for use in broadcast programme identification systems |
| 02/11/2010 | WO2010016271A1 Spectral smoothing device, encoding device, decoding device, communication terminal device, base station device, and spectral smoothing method |
| 02/11/2010 | WO2010016270A1 Quantizing device, encoding device, quantizing method, and encoding method |
| 02/11/2010 | US20100036848 Efficient size optimization of visual information or auditory information |
| 02/11/2010 | US20100036659 Noise-Reduction Processing of Speech Signals |
| 02/11/2010 | US20100036658 Speech compression and decompression apparatuses and methods providing scalable bandwidth structure |
| 02/11/2010 | US20100036656 Audio switching device and audio switching method |
| 02/10/2010 | EP2151821A1 Noise-reduction processing of speech signals |
| 02/10/2010 | EP1336310B1 Methods and apparatus for identifying asset location in mobile communication networks |
| 02/10/2010 | CN101647201A Method and apparatus for encoding/decoding audio signal containing noise at low bit rate |
| 02/10/2010 | CN101647060A A method and an apparatus for processing an audio signal |
| 02/10/2010 | CN101645272A Method and device for generating quantification control parameter and audio coding device |
| 02/10/2010 | CN101645271A Rapid confidence-calculation method in pronunciation quality evaluation system |
| 02/10/2010 | CN100589181C Conversion of synthesized spectral components for encoding and low-complexity transcoding |
| 02/10/2010 | CN100589066C Data processor |
| 02/09/2010 | US7660991 Embedding, processing and detection of digital content, information and data |
| 02/09/2010 | US7660720 Lossless audio coding/decoding method and apparatus |
| 02/09/2010 | US7660714 Noise suppression device |
| 02/09/2010 | US7660712 Speech gain quantization strategy |
| 02/04/2010 | WO2010013946A2 A method and an apparatus for processing an audio signal |
| 02/04/2010 | WO2010013752A1 Performance-related information output device, system provided with performance-related information output device, and electronic musical instrument |
| 02/04/2010 | WO2010013450A1 Sound coding device, sound decoding device, sound coding/decoding device, and conference system |
| 02/04/2010 | WO2010012927A1 Reconstruction of multi-channel audio data |
| 02/04/2010 | WO2010012925A1 Method for updating an encoder by filter interpolation |
| 02/04/2010 | US20100030563 Apparatus and method for generating an ambient signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer program |
| 02/04/2010 | US20100030554 Signal separation reproduction device and signal separation reproduction method |
| 02/04/2010 | US20100027837 Extracting Multiple Identifiers from Audio and Video Content |
| 02/04/2010 | US20100027819 method and encoder for combining digital data sets, a decoding method and decoder for such combined digital data sets and a record carrier for storing such combined digital data set |
| 02/04/2010 | US20100027625 Apparatus for encoding and decoding |
| 02/04/2010 | US20100024629 System, method and computer program for ensuring secure use of music playing data files |
| 02/04/2010 | CA2820199A1 Signal generation for binaural signals |
| 02/03/2010 | EP2149878A2 A method and an apparatus for processing an audio signal |
| 02/03/2010 | EP2149877A2 A method and an apparatus for processing an audio signal |
| 02/03/2010 | EP2149138A1 Method and apparatus for processing encoded audio data |
| 02/03/2010 | CN101641734A Method and apparatus for encoding audio signal and method and apparatus for decoding audio signal |
| 02/03/2010 | CN101641733A Method and apparatus for encoding audio signal, and method and apparatus for decoding audio signal |
| 02/03/2010 | CN100588124C Lossless audio decoding/encoding method and apparatus |
| 02/03/2010 | CN100587807C Device for enhancing information source decoder and method for enhancing information source decoding method |
| 02/02/2010 | US7657752 Digital signal watermaker |
| 02/02/2010 | US7657435 Acoustic signal transmission method and apparatus with insertion signal |
| 02/02/2010 | US7657429 Coding apparatus and coding method for coding with reference to a codebook |
| 02/02/2010 | US7657428 System and method for seamless switching of compressed audio streams |
| 02/02/2010 | US7657427 Methods and devices for source controlled variable bit-rate wideband speech coding |
| 02/02/2010 | US7657426 System and method for deploying filters for processing signals |
| 02/02/2010 | US7657336 Reduction of memory requirements by de-interleaving audio samples with two buffers |
| 02/02/2010 | CA2494946C Speech coder and speech decoder |
| 01/28/2010 | WO2010011249A1 Compression of audio scale-factors by two-dimensional transformation |
| 01/28/2010 | WO2010009660A1 Method and apparatus for converting data frames |
| 01/28/2010 | US20100023336 Compression of audio scale-factors by two-dimensional transformation |
| 01/28/2010 | US20100023335 Low complexity parametric stereo decoder |
| 01/28/2010 | US20100023334 Audio coding apparatus, audio coding method and recording medium |
| 01/28/2010 | US20100023327 Method for improving speech signal non-linear overweighting gain in wavelet packet transform domain |
| 01/28/2010 | US20100023326 Speech endoding device |
| 01/28/2010 | US20100023325 Variable Bit Rate LPC Filter Quantizing and Inverse Quantizing Device and Method |
| 01/28/2010 | US20100023324 Device and Method for Quanitizing and Inverse Quanitizing LPC Filters in a Super-Frame |
| 01/28/2010 | US20100023323 Multi-Reference LPC Filter Quantization and Inverse Quantization Device and Method |
| 01/28/2010 | US20100023321 Voice processing apparatus and method |
| 01/28/2010 | US20100021004 Hiding and Detecting Messages in Media Signals |
| 01/28/2010 | US20100021003 Method and apparatus for encoding /decoding symbols carrying payload data for watermarking of an audio of video signal |
| 01/28/2010 | US20100020962 Method and apparatus for transmitting signaling tones over a packet switched network |