| 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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| 01/31/2012 | US8107674 Synchronizing rendering of multimedia content |
| 01/31/2012 | US8107505 Method and apparatus for generating information signal to be recorded |
| 01/31/2012 | US8107327 Interactive playlist media device |
| 01/26/2012 | WO2012012414A1 Spectrum flatness control for bandwidth extension |
| 01/26/2012 | WO2012011748A2 Method and apparatus for lossless encoding and decoding based on context |
| 01/26/2012 | WO2012009851A1 Audio signal synthesizer |
| 01/26/2012 | US20120022879 Methods and apparatus for embedding codes in compressed audio data streams |
| 01/26/2012 | US20120022878 Signal de-noising method, signal de-noising apparatus, and audio decoding system |
| 01/26/2012 | US20120022861 Parallel entropy encoder and parallel entropy decoder |
| 01/26/2012 | US20120020484 Audio Signal Quality Prediction |
| 01/26/2012 | US20120020482 Apparatus and method for encoding and decoding multi-channel audio signal |
| 01/26/2012 | US20120020406 Method and apparatus for lossless encoding and decoding based on context |
| 01/25/2012 | EP2410523A1 Apparatus and method for restoring multi-channel audio signal using HE-AAC decoder and MPEG surround decoder |
| 01/25/2012 | EP2410522A1 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs |
| 01/25/2012 | EP2410521A1 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs |
| 01/25/2012 | EP2410520A1 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs |
| 01/25/2012 | EP2410519A1 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs |
| 01/25/2012 | EP2410518A1 Apparatus and method for encoding and decoding multi-channel audio signal |
| 01/25/2012 | EP2410517A1 Method and system for the integral and diagnostic assessment of listening speech quality |
| 01/25/2012 | EP2410516A1 Method and system for the integral and diagnostic assessment of listening speech quality |
| 01/25/2012 | EP2410515A2 Apparatus and method for encoding/decoding a multichannel signal |
| 01/25/2012 | EP2409298A2 Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding |
| 01/25/2012 | EP2073558B1 A frame compensation method and system |
| 01/25/2012 | EP1619664B1 Speech coding apparatus, speech decoding apparatus and methods thereof |
| 01/25/2012 | CN1973318B Method and device for coding and decoding the presentation of an audio signal |
| 01/25/2012 | CN1781253B Floating-point type digital signal reversible encoding method, decoding method, apparatuses therefor |
| 01/25/2012 | CN1702974B Method and apparatus for encoding/decoding a digital signal |
| 01/25/2012 | CN102334160A Audio encoder, audio decoder, encoded audio information, methods for encoding and decoding an audio signal and computer program |
| 01/25/2012 | CN102334159A Encoder, decoder, and method therefor |
| 01/25/2012 | CN102334158A Upmixer, method and computer program for upmixing a downmix audio signal |
| 01/25/2012 | CN102334157A Apparatus, method and computer program for obtaining a parameter describing a variation of a signal characteristic of a signal |
| 01/25/2012 | CN102334156A Tone determination device and tone determination method |
| 01/25/2012 | CN102332268A Speech signal sparse representation method based on self-adaptive redundant dictionary |
| 01/25/2012 | CN102332267A Full-band scalable audio codec |
| 01/25/2012 | CN102332266A Audio data encoding method and device |
| 01/25/2012 | CN101847409B Voice integrity protection method based on digital fingerprint |
| 01/25/2012 | CN101645272B Method and device for generating quantification control parameter and audio coding device |
| 01/25/2012 | CN101572089B Test method and device of signal period |
| 01/25/2012 | CN101553865B A method and an apparatus for processing an audio signal |
| 01/25/2012 | CN101542594B Frame error concealment method and apparatus for highband signal |
| 01/25/2012 | CN101536085B 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 |
| 01/25/2012 | CN101523484B Systems, methods and apparatus for frame erasure recovery |
| 01/25/2012 | CN101471072B High-frequency reconstruction method, encoding device and decoding module |
| 01/25/2012 | CN101410890B Parameter calculator for guiding up-mixing parameter and method, audio channel reconfigure and audio frequency receiver including the parameter calculator |
| 01/25/2012 | CN101356573B Control for decoding of binaural audio signal |
| 01/25/2012 | CN101226745B Impulse search method and apparatus |
| 01/25/2012 | CN101223577B Method and apparatus to encode/decode low bit-rate audio signal |
| 01/25/2012 | CN101124624B Method of embedding a digital watermark in a useful signal |
| 01/25/2012 | CN101053019B Device and method for encoding and decoding of audio signals using complex-valued filter banks |
| 01/24/2012 | US8103516 Subband coding apparatus and method of coding subband |
| 01/24/2012 | US8103515 Signal classification processing method, classification processing device, and encoding system |
| 01/24/2012 | US8103514 Slot position coding of OTT syntax of spatial audio coding application |
| 01/24/2012 | US8103513 Slot position coding of syntax of spatial audio application |
| 01/24/2012 | US8103512 Method and system for aligning windows to extract peak feature from a voice signal |
| 01/24/2012 | US8103371 Method of retrieving audio data via coded medium |
| 01/24/2012 | US8103053 Method and apparatus for associating identifiers with content |
| 01/24/2012 | US8103020 Enhancing audio signals by nonlinear spectral operations |
| 01/24/2012 | US8102561 Method of playing and controlling video using handheld display device |
| 01/24/2012 | CA2392912C Mobile phone with interactive printer |
| 01/24/2012 | CA2392904C Video player with code sensor |
| 01/20/2012 | DE20321883U1 Computervorrichtung und -system zum Entropiedecodieren quantisierter Transformationskoeffizienten eines Blockes Computer apparatus and system for Entropiedecodieren quantized transform coefficients of a block |
| 01/19/2012 | WO2012009045A1 Modification of speech quality in conversations over voice channels |
| 01/19/2012 | WO2012008891A1 Audio encoder and decoder and methods for encoding and decoding an audio signal |
| 01/19/2012 | WO2012008330A1 Coding device, decoding device, method thereof, program, and recording medium |
| 01/19/2012 | WO2012007990A1 Playback system, playback method and program thereof |
| 01/19/2012 | WO2012006942A1 Audio data encoding method and device |
| 01/19/2012 | US20120016680 Audio decoder and decoding method using efficient downmixing |
| 01/19/2012 | US20120016679 Adapting masking thresholds for encoding audio data |
| 01/19/2012 | US20120016669 Apparatus and method for voice processing and telephone apparatus |
| 01/19/2012 | US20120016668 Energy Envelope Perceptual Correction for High Band Coding |
| 01/19/2012 | US20120016665 Sound masking system and masking sound generation method |
| 01/19/2012 | US20120016632 Method for estimating inter-channel delay and apparatus and encoder thereof |
| 01/19/2012 | US20120016503 Method and apparatus for switching signal delay |
| 01/19/2012 | US20120014485 Signal processing device |
| 01/19/2012 | US20120014474 Method and Means for the Scalable Improvement of the Quality of a Signal Encoding Method |
| 01/18/2012 | EP2407965A1 Method and device for signal denoising and system for audio frequency decoding |
| 01/18/2012 | EP2407964A2 Speech encoding device, speech decoding device, speech encoding method, and speech decoding method |
| 01/18/2012 | EP2407963A1 Linear prediction analysis method, device and system |
| 01/18/2012 | EP2407962A1 Voice decoding apparatus and voice decoding method |
| 01/18/2012 | EP2406906A1 System and method for payload encoding and decoding |
| 01/18/2012 | EP2406789A1 Embedding and extracting ancillary data |
| 01/18/2012 | EP2327156B1 Method for determining updated filter coefficients of an adaptive filter adapted by an lms algorithm with pre-whitening |
| 01/18/2012 | EP2038878B1 Apparatus and method for combining multiple parametrically coded audio sources |
| 01/18/2012 | EP2022043B1 Information signal coding |
| 01/18/2012 | CN1998046B Multi-channel synthesizer, coder, coding method, and device using same |
| 01/18/2012 | CN102326417A Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction |
| 01/18/2012 | CN102325224A Audio data transmission system, audio data transmission method and application thereof |
| 01/18/2012 | CN102324236A Systems, methods, and apparatus for wideband encoding and decoding of active frames |
| 01/18/2012 | CN102324235A Sound mixing encoding method, device and system |
| 01/18/2012 | CN102324234A Audio watermarking method based on MP3 encoding principle |
| 01/18/2012 | CN102324229A Method and system for detecting abnormal use of voice input equipment |
| 01/18/2012 | CN101548317B Adaptive sound source vector quantization unit and adaptive sound source vector quantization method |
| 01/18/2012 | CN101371294B Method for processing signal and equipment for processing signal |
| 01/18/2012 | CN101273403B Scalable encoding apparatus, scalable decoding apparatus, and methods of them |
| 01/17/2012 | US8099293 Audio signal processing |
| 01/17/2012 | US8099292 Multi-channel audio encoding and decoding |
| 01/17/2012 | US8099291 Signal decoding apparatus |
| 01/17/2012 | US8099285 Temporally accurate watermarking system and method of operation |
| 01/17/2012 | US8099279 Interactive clustering method for identifying problems in speech applications |
| 01/17/2012 | US8099277 Speech-duration detector and computer program product therefor |