| 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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| 03/27/2014 | WO2014044197A1 Audio classification based on perceptual quality for low or medium bit rates |
| 03/27/2014 | US20140088978 Forensic detection of parametric audio coding schemes |
| 03/27/2014 | US20140088977 Method and apparatus for encoding and decoding stereo signal and multi-channel signal |
| 03/27/2014 | US20140088976 Audio decoding method and apparatus |
| 03/27/2014 | US20140088974 Apparatus and method for audio frame loss recovery |
| 03/27/2014 | US20140088973 Method and apparatus for encoding an audio signal |
| 03/27/2014 | US20140088957 Method and apparatus for performing packet loss or frame erasure concealment |
| 03/27/2014 | US20140086416 Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients |
| 03/27/2014 | US20140086395 Methods and systems for name pronunciation |
| 03/27/2014 | US20140086320 Multiple Decoding |
| 03/26/2014 | EP2711925A2 Forward error correction in speech coding |
| 03/26/2014 | EP2711924A1 Bit stream transmission device, bit stream reception/transmission system, bit stream reception device, bit stream transmission method, bit stream reception method, and bit stream |
| 03/26/2014 | EP2710592A1 Method and apparatus for processing a multi-channel audio signal |
| 03/26/2014 | EP2710589A1 Redundant coding unit for audio codec |
| 03/26/2014 | EP2710588A1 Forensic detection of parametric audio coding schemes |
| 03/26/2014 | CN203503294U Simple voice processing circuit used for supervising device |
| 03/26/2014 | CN103688306A Packet loss concealment for audio codec |
| 03/26/2014 | CN103688305A Portable electronic apparatus, signal processing method, and regeneration method |
| 03/26/2014 | CN103685677A Audio processing method and device, and terminal equipment |
| 03/26/2014 | CN103684574A Method for testing self-closed loop performance of voice coder decoder of satellite mobile communication terminal |
| 03/26/2014 | CN103680513A Method and device for processing voice signals and server |
| 03/26/2014 | CN103680509A Method for discontinuous transmission of voice signals and generation of background noise |
| 03/26/2014 | CN103680508A Dynamic allocation method and device for multilevel voice mixing |
| 03/26/2014 | CN103680507A Method for judging format of linear pulse-code modulation data |
| 03/26/2014 | CN103680506A Digital audio processing system and method |
| 03/25/2014 | US8682681 Audio encoder, audio decoder, method for encoding and decoding an audio information, and computer program obtaining a context sub-region value on the basis of a norm of previously decoded spectral values |
| 03/25/2014 | US8682680 Methods and apparatuses for bit stream decoding in MP3 decoder |
| 03/25/2014 | US8682679 Binaural object-oriented audio decoder |
| 03/25/2014 | US8682658 Audio equipment including means for de-noising a speech signal by fractional delay filtering, in particular for a “hands-free” telephony system |
| 03/25/2014 | US8682656 Techniques to generate a precoding matrix for a wireless system |
| 03/25/2014 | US8682654 Systems and methods for classifying sports video |
| 03/25/2014 | US8682652 Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic |
| 03/25/2014 | US8682650 Speech-quality assessment method and apparatus that identifies part of a signal not generated by human tract |
| 03/25/2014 | US8682645 Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing, windower, transformer and inverse transformer |
| 03/25/2014 | US8681978 Efficient and secure forensic marking in compressed domain |
| 03/20/2014 | WO2014043476A1 Multi-channel audio content analysis based upmix detection |
| 03/20/2014 | WO2014042439A1 Frame loss recovering method, and audio decoding method and device using same |
| 03/20/2014 | WO2014042122A1 Signal processing system and program |
| 03/20/2014 | WO2014040864A1 Method and apparatus for determining an optimum frequency range within a full frequency range of a watermarked input signal |
| 03/20/2014 | WO2014040763A1 Generation of comfort noise |
| 03/20/2014 | WO2013019562A3 Adaptive voice intelligibility processor |
| 03/20/2014 | US20140081646 Method and a Decoder for Attenuation of Signal Regions Reconstructed with Low Accuracy |
| 03/20/2014 | US20140081645 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a detection of a group of previously-decoded spectral values |
| 03/20/2014 | US20140081644 Method and Device for Voice Operated Control |
| 03/20/2014 | US20140081637 Turn-Taking Patterns for Conversation Identification |
| 03/20/2014 | US20140081629 Audio Classification Based on Perceptual Quality for Low or Medium Bit Rates |
| 03/20/2014 | US20140081628 Reproduce a voice for a speaker based on vocal tract sensing using ultra wide band radar |
| 03/20/2014 | US20140081627 Method for optimization of multiple psychoacoustic effects |
| 03/20/2014 | US20140081439 Recording apparatus, reproducing apparatus, and recording and/or reproducing apparatus |
| 03/19/2014 | EP2709380A1 Integral active speaker system which can be configured to be used alone or in pairs, with enhancement of the stereo image |
| 03/19/2014 | EP2709103A1 Voice coding device, voice decoding device, voice coding method and voice decoding method |
| 03/19/2014 | EP2709102A1 Method and apparatus for determining an optimum frequency range within a full frequency range of a watermarked input signal |
| 03/19/2014 | EP2709101A1 Digital audio processing system and method |
| 03/19/2014 | EP2707875A2 Noise filling and audio decoding |
| 03/19/2014 | EP2707874A2 Bit allocating, audio encoding and decoding |
| 03/19/2014 | EP2707873A1 Method and encoder for processing a digital stereo audio signal |
| 03/19/2014 | CN103650039A Method and apparatus for quantisation index modulation for watermarking an input signal |
| 03/19/2014 | CN103650038A Bit allocating, audio encoding and decoding |
| 03/19/2014 | CN103650037A Sample rate scalable lossless audio coding |
| 03/19/2014 | CN103646647A Spectrum parameter substituting method and system for hiding frame error in mixed audio decoder |
| 03/19/2014 | CN102754150B Method and device for constructing lost packets in a sub-band coding decoder |
| 03/19/2014 | CN102308333B Bandwidth extension method and apparatus for a modified discrete cosine transform audio coder |
| 03/18/2014 | US8676584 Method for time scaling of a sequence of input signal values |
| 03/18/2014 | US8676575 Dialed digits based vocoder assignment |
| 03/18/2014 | US8676572 Computer-implemented system and method for enhancing audio to individuals participating in a conversation |
| 03/18/2014 | US8676570 Methods, apparatus and articles of manufacture to perform audio watermark decoding |
| 03/18/2014 | US8676569 Error concealment method and apparatus for audio signal and decoding method and apparatus for audio signal using the same |
| 03/18/2014 | US8676365 Pre-echo attenuation in a digital audio signal |
| 03/18/2014 | US8676364 Apparatus and method for synchronizing multichannel extension data with an audio signal and for processing the audio signal |
| 03/18/2014 | US8676361 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 03/18/2014 | US8674935 System delay mitigation in interactive systems |
| 03/18/2014 | CA2699316C Apparatus and method for calculating bandwidth extension data using a spectral tilt controlled framing |
| 03/13/2014 | WO2014009878A3 Encoding and decoding of audio signals |
| 03/13/2014 | US20140074489 Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding method |
| 03/13/2014 | US20140074488 Encoding of stereophonic signals |
| 03/13/2014 | US20140074487 Apparatus and method for restoring multi-channel audio signal using he-aac decoder and mpeg surround decoder |
| 03/13/2014 | US20140074486 Apparatus and method for audio encoding and decoding employing sinusoidal substitution |
| 03/13/2014 | US20140074485 Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| 03/13/2014 | US20140074484 Encoder and decoder driver development techniques |
| 03/13/2014 | US20140074462 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 03/13/2014 | US20140074461 Method and apparatus for encoding/decoding speech signal using coding mode |
| 03/13/2014 | US20140074460 Scalable code excited linear prediction bitstream |
| 03/13/2014 | US20140074459 Automatic conversion of speech into song, rap or other audible expression having target meter or rhythm |
| 03/12/2014 | EP2706780A2 Codec rate adjustment method, device and media gateway |
| 03/12/2014 | EP2706529A2 Decoding of multichannel audio encoded bit streams using adaptive hybrid transformation |
| 03/12/2014 | EP2706528A2 System and method to generate a narrator specific acoustic database without a predefined script |
| 03/12/2014 | EP2705517A1 Apparatus and method for low complexity combinatorial coding and decoding of signals |
| 03/12/2014 | EP2705516A1 Encoding of stereophonic signals |
| 03/12/2014 | CN103636129A Multiple scale codebook search |
| 03/12/2014 | CN103632679A An audio stream quality assessment method and an apparatus |
| 03/12/2014 | CN103632674A Audio signal processing method and device |
| 03/12/2014 | CN103632673A Nonlinear quantization method of voice linear prediction model |
| 03/12/2014 | CN103632672A Voice-changing system, voice-changing method, man-machine interaction system and man-machine interaction method |
| 03/12/2014 | CN103632671A Data encoding method, data decoding method, data encoding device, data decoding device and data communication system |
| 03/12/2014 | CN102760441B Background noise coding/decoding device and method as well as communication equipment |
| 03/12/2014 | CN102760437B Audio decoding device of control conversion of real-time audio track |
| 03/12/2014 | CN102667920B SBR bitstream parameter downmix |
| 03/12/2014 | CN102496368B Improved vector quantization method |
| 03/12/2014 | CN102299760B Pulse coding and decoding method and pulse codec |
| 03/12/2014 | CN102138341B Acoustic signal processing device and processing method thereof |