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)
08/2012
08/23/2012US20120213378 Spectral Translation/Folding in the Subband Domain
08/23/2012US20120213377 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
08/23/2012CA2827482A1 Speech decoder, speech encoder, speech decoding method, speech encoding method, speech decoding program, and speech encoding program
08/23/2012CA2827335A1 Audio codec using noise synthesis during inactive phases
08/23/2012CA2827305A1 Noise generation in audio codecs
08/23/2012CA2827296A1 Audio codec supporting time-domain and frequency-domain coding modes
08/23/2012CA2827277A1 Linear prediction based coding scheme using spectral domain noise shaping
08/23/2012CA2827272A1 Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion
08/23/2012CA2827266A1 Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
08/23/2012CA2827249A1 Apparatus and method for processing a decoded audio signal in a spectral domain
08/23/2012CA2827156A1 Encoding and decoding of pulse positions of tracks of an audio signal
08/23/2012CA2827000A1 Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
08/23/2012CA2823262A1 Methods and systems for generating filter coefficients and configuring filters
08/23/2012CA2821577A1 Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a celp codec
08/23/2012CA2799343A1 Information signal representation using lapped transform
08/22/2012EP2490426A1 Method, apparatus and system for implementing audio mixing
08/22/2012EP2490217A1 Encoding device, decoding device and methods therefor
08/22/2012EP2490216A1 Encoding device, decoding device, and methods therefor
08/22/2012EP2490215A2 Method and apparatus to extract important spectral component from audio signal and low bit-rate audio signal coding and/or decoding method and apparatus using the same
08/22/2012EP2489206A1 Processing of sound data encoded in a sub-band domain
08/22/2012EP2489205A1 Hearing aid with audio codec and method
08/22/2012EP2489041A1 Simultaneous time-domain and frequency-domain noise shaping for tdac transforms
08/22/2012EP2489040A1 Optimized parametric stereo decoding
08/22/2012EP2489039A1 Optimized low-throughput parametric coding/decoding
08/22/2012EP2489038A1 Apparatus for providing an upmix signal representation on the basis of the downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer programs and bitstream representing a multi-channel audio signal using a linear combination parameter
08/22/2012EP2489037A1 Apparatus, method and computer program for providing one or more adjusted parameters for provision of an upmix signal representation on the basis of a downmix signal representation and a parametric side information associated with the downmix signal representation, using an average value
08/22/2012EP2489036A1 Method, apparatus and computer program for processing multi-channel audio signals
08/22/2012EP1987596B1 Method and apparatus for processing an audio signal
08/22/2012CN102648495A Apparatus and method for generating a high frequency audio signal using adaptive oversampling
08/22/2012CN102648494A Multi-mode audio signal decoder, multi-mode audio signal encoder, methods and computer program using a linear-prediction-coding based noise shaping
08/22/2012CN102648493A Audio signal processing method and device
08/22/2012CN102646417A Apparatus and method for encoding and decoding enhancement layer
08/22/2012CN102646415A Method for extracting characteristic parameters in speech recognition
08/22/2012CN102117619B Method and device for adjusting gain of white noise stage
08/22/2012CN101952890B Data conversion device, program and method
08/22/2012CN101909128B Communication system and corresponding communication method
08/22/2012CN101872618B Multi-channel audio decoder
08/22/2012CN101847404B Method and device for realizing audio pitch shifting
08/22/2012CN101689370B Sound packet receiving device, and sound packet receiving method
08/22/2012CN101689368B Apparatus and method for coding and decoding multi object audio signal with multi channel
08/22/2012CN101617360B Apparatus and method for coding and decoding multi-object audio signal with various channel
08/22/2012CN101529504B Apparatus and method for multi-channel parameter transformation
08/22/2012CN101361114B Apparatus for processing media signal and method thereof
08/21/2012US8249883 Channel extension coding for multi-channel source
08/21/2012US8249882 Decoding apparatus and decoding method
08/21/2012US8249873 Tonal correction of speech
08/21/2012US8249866 Speech decoding method and apparatus which generates an excitation signal and a synthesis filter
08/21/2012US8249865 Adaptive data transmission for a digital in-band modem operating over a voice channel
08/21/2012US8249864 Fixed codebook search method through iteration-free global pulse replacement and speech coder using the same method
08/21/2012US8249862 Audio processing apparatuses
08/21/2012US8249861 High frequency compression integration
08/21/2012US8249860 Adaptive sound source vector quantization unit and adaptive sound source vector quantization method
08/21/2012US8249224 Providing speaker identifying information within embedded digital information
08/21/2012US8249118 Method and apparatus for generating information signal to be recorded
08/16/2012WO2012108975A2 Extraction and matching of characteristic fingerprints from audio signals
08/16/2012WO2012108971A1 Devices for encoding and decoding a watermarked signal
08/16/2012WO2012108970A1 Devices for encoding and detecting a watermarked signal
08/16/2012WO2012108943A1 Devices for adaptively encoding and decoding a watermarked signal
08/16/2012WO2012108934A1 Shared video-audio pipeline
08/16/2012WO2012108798A1 Efficient encoding/decoding of audio signals
08/16/2012WO2012108680A2 Method and device for bandwidth extension
08/16/2012US20120209616 Multiband compressor
08/16/2012US20120209615 Efficient Multichannel Signal Processing by Selective Channel Decoding
08/16/2012US20120209600 Integrated voice/audio encoding/decoding device and method whereby the overlap region of a window is adjusted based on the transition interval
08/16/2012US20120209599 Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a celp codec
08/16/2012US20120209597 Encoding apparatus, decoding apparatus and methods thereof
08/16/2012US20120209596 Encoding device, decoding device and method for both
08/16/2012US20120207313 Coding of Multi-Channel Signals
08/16/2012US20120207312 Preserving matrix surround information in encoded audio/video system and method
08/16/2012US20120207311 Optimized low-bit rate parametric coding/decoding
08/16/2012US20120207226 Encoding device, decoding device, control method for an encoding device, control method for a decoding device, transmission system, and computer-readable recording medium having a control program recorded thereon
08/15/2012EP2487681A1 Multi-stage quantization method and device
08/15/2012EP2487680A1 Audio watermark detection for delivering contextual content to a user
08/15/2012EP2486567A1 Automatic generation of metadata for audio dominance effects
08/15/2012EP2486564A1 Apparatus and method for generating a high frequency audio signal using adaptive oversampling
08/15/2012EP2486563A1 Efficient multichannel signal processing by selective channel decoding
08/15/2012EP2036204B1 Method and apparatus for an audio signal processing
08/15/2012EP2016583B1 Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
08/15/2012EP1989705B1 Method for limiting adaptive excitation gain in an audio decoder
08/15/2012EP1987595B1 Method and apparatus for processing an audio signal
08/15/2012EP1755109B1 Scalable encoding and decoding apparatuses and methods
08/15/2012CN1757060B Voicing index controls for CELP speech coding
08/15/2012CN102640214A Method for rendering a musical signal that is compatible with a discontinuous transmission codec, and device for implementing said method
08/15/2012CN102640213A Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multichannel audio signal, methods, computer program and bitstream using a distortion control signaling
08/15/2012CN102637436A Sound signal processing apparatus, sound signal processing method, and program
08/15/2012CN102237093B Echo hiding method based on forward and backward echo kernels
08/15/2012CN101946281B Method and means for decoding background noise information
08/15/2012CN101894560B Reference source-free MP3 audio frequency definition objective evaluation method
08/15/2012CN101783142B Transcoding method, device and communication equipment
08/15/2012CN101632119B Method and arrangement for smoothing of stationary background noise
08/15/2012CN101622667B Postfilter for layered codecs
08/15/2012CN101622666B Non-causal postfilter
08/15/2012CN101517637B Encoder and decoder of audio frequency, encoding and decoding method, hub, transreciver, transmitting and receiving method, communication system and playing device
08/15/2012CN101506873B Open-loop pitch track smoothing
08/15/2012CN101501759B Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
08/14/2012US8245312 Method and apparatus for digital rights management
08/14/2012US8244547 Signal bandwidth extension apparatus
08/14/2012US8244546 Singing synthesis parameter data estimation system
08/14/2012US8244538 Measuring double talk performance
08/14/2012US8244527 Audio signature extraction and correlation
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