| 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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| 12/10/2014 | CN101877643B 多点混音远景呈现方法、装置及系统 Multi-Mix vision presented method, apparatus and system |
| 12/10/2014 | CN101796579B 数字音频信号的分级编码 Hierarchical coding of a digital audio signal |
| 12/09/2014 | US8910191 Encoder and decoder driver development techniques |
| 12/09/2014 | US8909521 Coding method, coding apparatus, coding program, and recording medium therefor |
| 12/09/2014 | US8909517 Voice-coded in-band data for interactive calls |
| 12/09/2014 | US8909361 Method and system for processing high quality audio in a hardware audio codec for audio transmission |
| 12/09/2014 | US8908882 Reparation of corrupted audio signals |
| 12/09/2014 | US8908874 Spatial audio encoding and reproduction |
| 12/09/2014 | US8908872 BTSC encoder |
| 12/09/2014 | US8908819 System and method for synchronization tracking in an in-band modem |
| 12/09/2014 | US8907822 Signal processor, window provider, encoded media signal, method for processing a signal and method for providing a window |
| 12/04/2014 | US20140358567 Spatial audio rendering and encoding |
| 12/04/2014 | US20140358566 Methods and devices for audio processing |
| 12/04/2014 | US20140358565 Compression of decomposed representations of a sound field |
| 12/04/2014 | US20140358564 Interpolation for decomposed representations of a sound field |
| 12/04/2014 | US20140358563 Compression of decomposed representations of a sound field |
| 12/04/2014 | US20140358562 Quantization step sizes for compression of spatial components of a sound field |
| 12/04/2014 | US20140358561 Identifying codebooks to use when coding spatial components of a sound field |
| 12/04/2014 | US20140358560 Performing order reduction with respect to higher order ambisonic coefficients |
| 12/04/2014 | US20140358559 Compensating for error in decomposed representations of sound fields |
| 12/04/2014 | US20140358558 Identifying sources from which higher order ambisonic audio data is generated |
| 12/04/2014 | US20140358557 Performing positional analysis to code spherical harmonic coefficients |
| 12/04/2014 | US20140358555 Periodic Ambient Waveform Analysis for Enhanced Social Functions |
| 12/04/2014 | US20140358554 Audio encoding method and system for generating a unified bitstream decodable by decoders implementing different decoding protocols |
| 12/04/2014 | US20140358532 Method and system for acoustic channel information detection |
| 12/04/2014 | US20140358531 Speech Encoding Utilizing Independent Manipulation of Signal and Noise Spectrum |
| 12/04/2014 | US20140358529 Systems, Devices and Methods for Processing Speech Signals |
| 12/04/2014 | US20140358527 Inactive Sound Signal Parameter Estimation Method and Comfort Noise Generation Method and System |
| 12/04/2014 | US20140358525 Dual-Band Speech Encoding |
| 12/04/2014 | US20140355771 Compression of decomposed representations of a sound field |
| 12/04/2014 | US20140355770 Transformed higher order ambisonics audio data |
| 12/04/2014 | US20140355769 Energy preservation for decomposed representations of a sound field |
| 12/04/2014 | US20140355768 Performing spatial masking with respect to spherical harmonic coefficients |
| 12/04/2014 | US20140355767 Method and apparatus for performing an adaptive down- and up-mixing of a multi-channel audio signal |
| 12/02/2014 | USRE45277 Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system |
| 12/02/2014 | USRE45276 Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system |
| 12/02/2014 | US8904390 Interpreting I/O operation requests from pageable guests without host intervention |
| 12/02/2014 | US8903729 System and method for non-destructively normalizing loudness of audio signals within portable devices |
| 12/02/2014 | US8903722 Noise reduction for dual-microphone communication devices |
| 12/02/2014 | US8903721 Smart auto mute |
| 12/02/2014 | US8903720 Apparatus for encoding and decoding of integrated speech and audio |
| 12/02/2014 | US8903651 Information terminal, server device, searching system, and searching method thereof |
| 12/02/2014 | US8903525 Sound processing device, sound data selecting method and sound data selecting program |
| 12/02/2014 | US8903524 Process and means for scanning and/or synchronizing audio/video events |
| 12/02/2014 | US8902997 PARCOR coefficient quantization method, PARCOR coefficient quantization apparatus, program and recording medium |
| 11/27/2014 | US20140350944 Encoding and reproduction of three dimensional audio soundtracks |
| 11/27/2014 | US20140348337 Device and method for calculating loudspeaker signals for a plurality of loudspeakers while using a delay in the frequency domain |
| 11/25/2014 | US8898068 Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a modification of a number representation of a numeric previous context value |
| 11/25/2014 | US8898067 Subband block based harmonic transposition |
| 11/25/2014 | US8898060 Source code adaption based on communication link quality and source coding delay |
| 11/25/2014 | US8898059 LPC residual signal encoding/decoding apparatus of modified discrete cosine transform (MDCT)-based unified voice/audio encoding device |
| 11/25/2014 | US8898058 Systems, methods, and apparatus for voice activity detection |
| 11/25/2014 | US8898057 Encoding apparatus, decoding apparatus and methods thereof |
| 11/25/2014 | US8898055 Voice quality conversion device and voice quality conversion method for converting voice quality of an input speech using target vocal tract information and received vocal tract information corresponding to the input speech |
| 11/25/2014 | US8898054 Determining and conveying contextual information for real time text |
| 11/25/2014 | US8898053 Encoding device, decoding device, and methods therein |
| 11/25/2014 | US8897474 Synchronization system and method for transmission and reception in audible frequency range-based sound communication, and apparatus applied thereto |
| 11/25/2014 | US8897290 Information processing device and mobile terminal |
| 11/20/2014 | US20140343954 Binaural multi-channel decoder in the context of non-energy-conserving upmix rules |
| 11/20/2014 | US20140343953 Multi-mode audio codec and celp coding adapted therefore |
| 11/20/2014 | US20140343951 Simplified Decoding of Voice Commands Using Control Planes |
| 11/20/2014 | US20140343932 Speech decoding device and speech decoding method |
| 11/20/2014 | US20140343931 Robust signatures derived from local nonlinear filters |
| 11/18/2014 | US8892450 Signal clipping protection using pre-existing audio gain metadata |
| 11/18/2014 | US8892449 Audio encoder/decoder with switching between first and second encoders/decoders using first and second framing rules |
| 11/18/2014 | US8892448 Systems, methods, and apparatus for gain factor smoothing |
| 11/18/2014 | US8892436 Front-end processor for speech recognition, and speech recognizing apparatus and method using the same |
| 11/18/2014 | US8892429 Encoding device and encoding method, decoding device and decoding method, and program |
| 11/18/2014 | US8892428 Encoding apparatus, decoding apparatus, encoding method, and decoding method for adjusting a spectrum amplitude |
| 11/18/2014 | US8892427 Method and an apparatus for processing an audio signal |
| 11/18/2014 | US8892426 Audio signal loudness determination and modification in the frequency domain |
| 11/18/2014 | US8892231 Audio classification method and system |
| 11/18/2014 | US8892228 Concealing audio artifacts |
| 11/18/2014 | US8892226 Audio repair methods and apparatus |
| 11/18/2014 | US8891797 Audio format transcoder |
| 11/18/2014 | US8891776 Decoding of multichannel audio encoded bit streams using adaptive hybrid transformation |
| 11/18/2014 | US8891775 Method and encoder for processing a digital stereo audio signal |
| 11/18/2014 | US8891774 Acoustic signal processing apparatus, processing method therefor, and program |
| 11/18/2014 | US8891708 Obtaining a desired non-zero phase shift using forward-backward filtering |
| 11/13/2014 | US20140337480 Playlist sharing methods and apparatus |
| 11/13/2014 | US20140337039 Frame Loss Compensation Method And Apparatus For Voice Frame Signal |
| 11/13/2014 | US20140337038 Method, application, and device for audio signal transmission |
| 11/13/2014 | US20140337017 Method for Converting Speech Using Sparsity Constraints |
| 11/13/2014 | US20140336800 Adaptive Audio Processing Based on Forensic Detection of Media Processing History |
| 11/13/2014 | US20140336799 Discovery of music artist and title via companionship between a cellular phone and a broadcast radio receiver |
| 11/13/2014 | US20140336798 Discovery of music artist and title for syndicated content played by radio stations |
| 11/13/2014 | US20140336797 Audio content monitoring and identification of broadcast radio stations |
| 11/13/2014 | US20140334540 Encoder and encoding method, decoder and decoding method, and program |
| 11/11/2014 | US8886548 Audio encoding device, decoding device, method, circuit, and program |
| 11/11/2014 | US8886529 Method and device for the objective evaluation of the voice quality of a speech signal taking into account the classification of the background noise contained in the signal |
| 11/11/2014 | US8886524 Signal processing based on audio context |
| 11/11/2014 | US8886523 Audio decoding based on audio class with control code for post-processing modes |
| 11/11/2014 | US8886499 Voice processing apparatus and voice processing method |
| 11/11/2014 | US8885870 Information processing device and computer program product |
| 11/11/2014 | US8885839 Signal processing method and apparatus |
| 11/11/2014 | US8885804 Method for carrying out an audio conference, audio conference device, and method for switching between encoders |
| 11/11/2014 | US8885799 Providing of presence information to a telephony services system |
| 11/06/2014 | US20140330564 Frame erasure concealment technique for a bitstream-based feature extractor |
| 11/06/2014 | US20140330556 Low complexity repetition detection in media data |
| 11/06/2014 | US20140330414 System of an internet interactive service and operating method thereof |