Patents
Sitemap › G10 - Musical instruments; Acoustics › G10L - Speech analysis or synthesis; Speech recognition; Speech or voice processing; Speech or audio coding or decoding › 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
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)
09/2014
09/03/2014EP2771995A1 A method and apparatus for audio coding using context dependent information
09/03/2014EP2771880A2 Lossless embedded additional data
09/02/2014US8825497 Systems and methods for reducing audio disturbance associated with control messages in a bitstream
09/02/2014US8825496 Noise generation in audio codecs
09/02/2014US8825495 Acoustic signal processing system, acoustic signal decoding apparatus, processing method in the system and apparatus, and program
09/02/2014US8825494 Computation apparatus and method, quantization apparatus and method, audio encoding apparatus and method, and program
09/02/2014US8825480 Apparatus and method of obtaining non-speech data embedded in vocoder packet
09/02/2014US8825477 Systems, methods, and apparatus for frame erasure recovery
09/02/2014US8825476 Method and apparatus for encoding and decoding high frequency signal
09/02/2014US8825475 Transform-domain codebook in a CELP coder and decoder
09/02/2014US8820745 Device and method for handling, shuffling, and moving cards
09/02/2014CA2733904C An apparatus for determining a converted spatial audio signal
09/02/2014CA2727883C Audio encoding/decoding scheme having a switchable bypass
08/2014
08/28/2014WO2014130087A1 Systems and methods for mitigating potential frame instability
08/28/2014WO2014130086A1 Systems and methods for quantizing and dequantizing phase information
08/28/2014WO2014130085A1 Systems and methods for controlling an average encoding rate
08/28/2014WO2014130084A1 Systems and methods for determining an interpolation factor set
08/28/2014WO2014130083A1 Systems and methods for determining pitch pulse period signal boundaries
08/28/2014WO2014129949A1 Methods and apparatuses for dtx hangover in audio coding
08/28/2014WO2014128275A1 Methods for parametric multi-channel encoding
08/28/2014WO2014128197A1 Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap
08/28/2014WO2014128194A1 Apparatus and method for generating an encoded signal or for decoding an encoded audio signal using a multi overlap portion
08/28/2014WO2014096236A3 Signal adaptive fir/iir predictors for minimizing entropy
08/28/2014US20140245091 Frame error concealment method and apparatus and decoding method and apparatus using the same
08/28/2014US20140244274 Encoding device and encoding method
08/28/2014US20140244246 System and method for correcting accent induced speech transmission problems
08/28/2014US20140244244 Apparatus and method for processing frequency spectrum using source filter
08/28/2014US20140241543 Wireless Digital Audio Music System
08/28/2014DE102013005844B3 Verfahren und Vorrichtung zum Messen der Qualität eines Sprachsignals Method and apparatus for measuring the quality of a speech signal
08/28/2014DE10084633B3 Dekodieren von Informationen in Audiosignalen Decoding information in audio signals
08/27/2014EP2770506A1 Encoding device and encoding method
08/27/2014EP2770505A1 Audio coding device and method
08/27/2014EP2770504A2 Method of managing a jitter buffer, and jitter buffer using same
08/27/2014EP2770503A2 Method and apparatus for concealing frame errors and method and apparatus for audio decoding
08/27/2014EP2769378A2 Improved hierarchical coding
08/27/2014EP2769377A2 A process for assigning audio data in missing audio parts of a music piece and device for performing the same
08/26/2014US8818818 Audio encoding device, method, and program which controls the number of time groups in a frame using three successive time group energies
08/26/2014US8818817 Network/peer assisted speech coding
08/26/2014US8818798 Method and system for determining a perceived quality of an audio system
08/26/2014US8818541 Cross product enhanced harmonic transposition
08/26/2014US8818539 Audio encoding device, audio encoding method, and video transmission device
08/26/2014US8817992 Multichannel audio coder and decoder
08/26/2014US8817991 Advanced encoding of multi-channel digital audio signals
08/26/2014US8817934 System and method for synchronization tracking in an in-band modem
08/26/2014CA2721402C Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal
08/26/2014CA2716926C Apparatus for mixing a plurality of input data streams
08/26/2014CA2700911C Device and method for generating a multi-channel signal including speech signal processing
08/21/2014WO2014127019A1 Video analysis assisted generation of multi-channel audio data
08/21/2014WO2014126973A1 Audio output distribution
08/21/2014WO2014126689A1 Methods for controlling the inter-channel coherence of upmixed audio signals
08/21/2014WO2014126688A1 Methods for audio signal transient detection and decorrelation control
08/21/2014WO2014126684A1 Time-varying filters for generating decorrelation signals
08/21/2014WO2014126683A1 Audio signal enhancement using estimated spatial parameters
08/21/2014WO2014126682A1 Signal decorrelation in an audio processing system
08/21/2014WO2014126520A1 Frame error concealment
08/21/2014WO2014125285A1 Versatile music distribution
08/21/2014WO2014124577A1 System and method for mixed codebook excitation for speech coding
08/21/2014US20140236605 Audio encoder, audio decoder, methods for encoding and decoding an audio signal, and a computer program
08/21/2014US20140236604 Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation
08/21/2014US20140236603 Audio coding device and method
08/21/2014US20140236588 Systems and methods for mitigating potential frame instability
08/21/2014US20140236587 Systems and methods for controlling an average encoding rate
08/21/2014US20140236584 Systems and methods for quantizing and dequantizing phase information
08/21/2014US20140236583 Systems and methods for determining an interpolation factor set
08/21/2014US20140236581 Voice signal encoding method, voice signal decoding method, and apparatus using same
08/21/2014US20140236332 Digital acoustic system
08/21/2014US20140233758 Frequency domain noise cancellation with a desired null based acoustic devices, systems, and methods
08/20/2014EP2767977A2 Lossless energy encoding method and apparatus, audio encoding method and apparatus, lossless energy decoding method and apparatus, and audio decoding method and apparatus
08/20/2014EP2766904A1 An audio scene mapping apparatus
08/20/2014EP2766900A1 Apparatus and method for combinatorial coding of signals
08/20/2014EP2766825A1 Non-supervised system and method for multiresolution thematic analysis and structuring of audio streams
08/20/2014EP2765909A1 Physiological acoustic monitoring system
08/19/2014US8812923 Error concealment for sub-band coded audio signals
08/19/2014US8812327 Coding/decoding of digital audio signals
08/19/2014US8812324 Coding, modification and synthesis of speech segments
08/19/2014US8812308 Apparatus and method for modifying an input audio signal
08/19/2014US8812307 Method, apparatus and system for linear prediction coding analysis
08/19/2014US8812306 Speech decoding and encoding apparatus for lost frame concealment using predetermined number of waveform samples peripheral to the lost frame
08/19/2014US8812305 Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream
08/19/2014US8811765 Encoding device configured to generate a frequency component extraction signal, control method for an encoding device using the frequency component extraction signal, transmission system, and computer-readable recording medium having a control program recorded thereon
08/19/2014US8811621 Parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder
08/19/2014US8811576 Retrieval of deleted voice messages in voice messaging system
08/19/2014CA2611829C Sub-band voice codec with multi-stage codebooks and redundant coding
08/19/2014CA2596337C Method for generating concealment frames in communication system
08/14/2014WO2014124377A2 Audio bitstreams with supplementary data and encoding and decoding of such bitstreams
08/14/2014WO2014124261A1 Signaling audio rendering information in a bitstream
08/14/2014WO2014124169A1 Encoding and decoding an audio watermark
08/14/2014WO2014123579A1 Systems and methods of performing filtering for gain determination
08/14/2014WO2014123471A1 Method and apparatus for controlling audio frame loss concealment
08/14/2014WO2014123470A1 Audio frame loss concealment
08/14/2014WO2014123469A1 Enhanced audio frame loss concealment
08/14/2014WO2014122287A1 Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field
08/14/2014WO2014062304A3 Hierarchical decorrelation of multichannel audio
08/14/2014US20140229188 Enhancing Performance of Spectral Band Replication and Related High Frequency Reconstruction Coding
08/14/2014US20140229187 Apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation on the basis of a downmix signal representation, audio signal decoder, audio signal transcoder, audio signal encoder, audio bitstream, method and computer program using an object-related parametric information
08/14/2014US20140229186 Entropy encoding and decoding using direct level and run-length/level context-adaptive arithmetic coding/decoding modes
08/14/2014US20140229173 Method and apparatus of suppressing vocoder noise
08/14/2014US20140229172 Systems and Methods of Performing Noise Modulation and Gain Adjustment
08/14/2014US20140229171 Systems and Methods of Performing Filtering for Gain Determination
08/14/2014US20140229170 Systems and Methods of Performing Gain Control
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