| 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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| 09/12/2007 | CN101035302A Apparatus for generating information and signal |
| 09/12/2007 | CN101035226A Television apparatus |
| 09/12/2007 | CN101035020A Communication adaptation layer system and method for obtaining the network element information |
| 09/12/2007 | CN100337269C Method for matching speech packet collection retransmission entity with coding and decoding entity |
| 09/11/2007 | US7269559 Speech decoding apparatus and method using prediction and class taps |
| 09/11/2007 | US7269554 Method, apparatus, and system for efficient rate control in audio encoding |
| 09/11/2007 | US7269553 Pseudo-cepstral adaptive short-term post-filters for speech coders |
| 09/11/2007 | US7269552 Quantizing speech signal codewords to reduce memory requirements |
| 09/11/2007 | US7269551 Apparatus including an error detector and a limiter for decoding an adaptive differential pulse code modulation receiving signal |
| 09/11/2007 | US7269550 Encoding device and decoding device |
| 09/11/2007 | US7269549 Frequency-differential encoding a sinusoidal model parameters |
| 09/11/2007 | US7269275 Physical objects and validation of physical objects |
| 09/11/2007 | US7269237 Noise canceller |
| 09/07/2007 | WO2007101277A1 Audio decoding techniques for mid-side stereo |
| 09/07/2007 | WO2007099244A2 Method for limiting adaptive excitation gain in an audio decoder |
| 09/06/2007 | US20070208571 Audio Bitstream Format In Which The Bitstream Syntax Is Described By An Ordered Transversal of A Tree Hierarchy Data Structure |
| 09/06/2007 | US20070208565 Synthesizing a Mono Audio Signal |
| 09/06/2007 | US20070208562 Method and apparatus for normalizing voice feature vector by backward cumulative histogram |
| 09/06/2007 | US20070208557 Perceptual, scalable audio compression |
| 09/06/2007 | US20070206690 Device and method for generating a multi-channel signal or a parameter data set |
| 09/05/2007 | EP1829027A1 Method and device for encoding mode changing of encoded data streams |
| 09/05/2007 | EP1829026A1 Compact side information for parametric coding of spatial audio |
| 09/05/2007 | EP1423971A4 Lossless intraframe encoding using golomb-rice |
| 09/05/2007 | EP1095477B1 System and method for encoding an audio signal, by adding an inaudible code to the audio signal, for use in broadcast programme identification systems |
| 09/05/2007 | CN200944316Y Card reader for audio equipment |
| 09/05/2007 | CN101031962A Partially complex modulated filter bank |
| 09/05/2007 | CN101031961A Processing of encoded signals |
| 09/05/2007 | CN101031960A Scalable encoding device, scalable decoding device, and method thereof |
| 09/05/2007 | CN101031959A Multi-channel hierarchical audio coding with compact side-information |
| 09/05/2007 | CN101030951A Drop-out compensating method and compensator |
| 09/05/2007 | CN101030912A Fast ring network method against attack based on RRPP, apparatus and system |
| 09/05/2007 | CN101030383A Sound source separating device, method, and program |
| 09/05/2007 | CN101030381A Method and apparatus for extracting MP3 file sampling rate |
| 09/05/2007 | CN101030380A Method for estimating fractional base sound of code excitation linear predicted speech encoder |
| 09/05/2007 | CN101030379A Method and apparatus for allocating digital voice-frequency signal bit |
| 09/05/2007 | CN101030378A Method for building up gain code book |
| 09/05/2007 | CN101030377A Method for increasing base-sound period parameter quantified precision of 0.6kb/s voice coder |
| 09/05/2007 | CN101030376A Combined method for searching energy parameter gain shape quantization of 0.6kb/s voice coder |
| 09/05/2007 | CN101030375A Method for extracting base-sound period based on dynamic plan |
| 09/05/2007 | CN101030374A Method and apparatus for extracting base sound period |
| 09/05/2007 | CN101030373A System and method for stereo perceptual audio coding using adaptive masking threshold |
| 09/05/2007 | CN100336389C Information recording apparatus and method, information reproduction apparatus and method |
| 09/05/2007 | CN100336103C Band correcting apparatus |
| 09/05/2007 | CN100336101C Reducing memory requirements of codebook vector search |
| 09/04/2007 | US7266756 Read enable generator for a turbo decoder deinterleaved symbol memory |
| 09/04/2007 | US7266700 Code-string encryption method and apparatus, decryption method and apparatus, and recording medium |
| 09/04/2007 | US7266493 Pitch determination based on weighting of pitch lag candidates |
| 09/04/2007 | US7266466 Watermark time scale searching |
| 09/04/2007 | US7266217 Multiple watermarks in content |
| 09/04/2007 | US7266152 Digital signal processing device and digital signal processing method |
| 09/04/2007 | CA2399592C Method and platform for evaluating speech quality in telephone communications |
| 09/04/2007 | CA2300077C Speech coding apparatus and speech decoding apparatus |
| 08/30/2007 | WO2007098258A1 Audio codec conditioning system and method |
| 08/30/2007 | WO2007098055A2 Encoding and adaptive, scalable accessing of distributed models |
| 08/30/2007 | WO2007096552A2 Method for trained discrimination and attenuation of echoes of a digital signal in a decoder and corresponding device |
| 08/30/2007 | WO2007096551A2 Method for binary coding of quantization indices of a signal envelope, method for decoding a signal envelope and corresponding coding and decoding modules |
| 08/30/2007 | WO2007096550A2 Improved coding/decoding of a digital audio signal, in celp technique |
| 08/30/2007 | WO2007078254A3 Personalized decoding of multi-channel surround sound |
| 08/30/2007 | US20070203697 Time slot position coding of multiple frame types |
| 08/30/2007 | US20070203696 Content Distribution Server For Distributing Content Frame For Reproducing Music And Terminal |
| 08/30/2007 | US20070203695 Method And Apparatus For Transforming A Digital Audio Signal And For Inversely Transforming A Transformed Digital Audio Signal |
| 08/30/2007 | US20070203694 Single-sided speech quality measurement |
| 08/30/2007 | US20070201835 Audio Encoding to Convey Auxiliary Information, and Media Embodying Same |
| 08/29/2007 | EP1826767A2 MPEG portable sound reproducing system and a reproducing method thereof |
| 08/29/2007 | EP1825356A2 Method for producing a representation of a calculation result that is linearly dependent on the square of a value |
| 08/29/2007 | EP1747555B1 Audio encoding with different coding models |
| 08/29/2007 | EP1738353B1 Multi parametrisation based multi-channel reconstruction |
| 08/29/2007 | EP1719116A4 Methods and devices for low-frequency emphasis during audio compression based on acelp/tcx |
| 08/29/2007 | EP1623411B1 Fidelity-optimised variable frame length encoding |
| 08/29/2007 | EP1381955B1 Low power digital audio decoding/playing system for computing devices |
| 08/29/2007 | EP1125287B1 Preparation of listener-interest-filtered works |
| 08/29/2007 | CN101027718A Scalable encoding apparatus and scalable encoding method |
| 08/29/2007 | CN101027717A Lossless multi-channel audio codec |
| 08/29/2007 | CN101027543A Device and method for synchronising additional data and base data |
| 08/29/2007 | CN101026836A Anti vocoder compressed end-to-end voice encryption device and method |
| 08/29/2007 | CN101026763A Programme and device for synthesizing sub-band filter |
| 08/29/2007 | CN101026379A Compressing device and method, decompressing device and method |
| 08/29/2007 | CN101025919A Synthetic sub-band filtering method for audio decoding and synthetic sub-band filter |
| 08/29/2007 | CN101025918A Voice/music dual-mode coding-decoding seamless switching method |
| 08/28/2007 | US7263542 Inverse filtering method, synthesis filtering method, inverse filter device, synthesis filter device and devices comprising such filter devices |
| 08/28/2007 | US7263490 Method for description of audio-visual data content in a multimedia environment |
| 08/28/2007 | US7263482 Accounting for non-monotonicity of quality as a function of quantization in quality and rate control for digital audio |
| 08/28/2007 | US7263481 Method and apparatus for improved quality voice transcoding |
| 08/28/2007 | US7263480 Multi-channel signal encoding and decoding |
| 08/28/2007 | US7263479 Determining characteristics of received voice data packets to assist prosody analysis |
| 08/28/2007 | US7263407 Method and apparatus for processing digital audio signal |
| 08/28/2007 | US7263270 Video player with code sensor |
| 08/28/2007 | US7263203 Digital watermarks |
| 08/23/2007 | WO2007093730A2 Improved encoding/decoding of digital signals, especially in vector quantisation with permutation codes |
| 08/23/2007 | WO2007093726A2 Device for perceptual weighting in audio encoding/decoding |
| 08/23/2007 | US20070198274 Scalable audio coding |
| 08/23/2007 | US20070198262 Topological voiceprints for speaker identification |
| 08/23/2007 | US20070198256 Method for middle/side stereo encoding and audio encoder using the same |
| 08/23/2007 | US20070198254 Error Conceal Device And Error Conceal Method |
| 08/23/2007 | US20070198253 Method And System For Facilitating Mediated Communication |
| 08/23/2007 | US20070198252 Optimum design management apparatus, optimum design calculation system, optimum design management method, and optimum design management program |
| 08/23/2007 | US20070196022 Device and method for processing at least two input values |
| 08/23/2007 | US20070194961 Method and device for the version of digital signals with heterogeneous formats and application thereof to the digital amplification of audio signals |
| 08/23/2007 | US20070194952 Multi-channel encoder |
| 08/23/2007 | DE102006006066A1 Vorrichtung und Verfahren zur Detektion von Audio-Signalrahmen Device and method for the detection of audio signal frames |