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)
12/2012
12/04/2012US8326618 Method and apparatus for lossless encoding of a source signal, using a lossy encoded data steam and a lossless extension data stream
12/04/2012US8326614 Speech enhancement system
12/04/2012US8326609 Method and apparatus for an audio signal processing
12/04/2012US8326608 Transcoding method, apparatus, device and system
12/04/2012US8326606 Sound encoding device and sound encoding method
12/04/2012US8325622 Adaptive, scalable packet loss recovery
11/2012
11/29/2012WO2012161881A1 Noise-robust speech coding mode classification
11/29/2012WO2012161675A1 Redundant coding unit for audio codec
11/29/2012WO2012160782A1 Bit stream transmission device, bit stream reception/transmission system, bit stream reception device, bit stream transmission method, bit stream reception method, and bit stream
11/29/2012WO2012159412A1 Signal classification method and device, and coding/decoding method and device
11/29/2012US20120303363 Processing Audio Signals
11/29/2012US20120303362 Noise-robust speech coding mode classification
11/29/2012US20120303360 Preserving audio data collection privacy in mobile devices
11/29/2012US20120300945 Stereo Coding Method and Apparatus
11/28/2012EP2528058A2 Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue
11/28/2012EP2528057A1 Hierarchical audio frequency encoding and decoding method and system, hierarchical frequency encoding and decoding method for transient signal
11/28/2012EP2526550A1 Improved subband block based harmonic transposition
11/28/2012EP2526549A1 System and method for encoding and decoding pulse indices
11/28/2012EP2526548A1 Watermark generator, watermark decoder, method for providing a watermark signal, method for providing binary message data in dependence on a watermarked signal and a computer program using improved synchronization concept
11/28/2012EP2526547A1 Using multichannel decorrelation for improved multichannel upmixing
11/28/2012EP2526546A1 Method and device for determining a number of bits for encoding an audio signal
11/28/2012CN1932970B Method for generating harmonics using fourier transform and apparatus thereof, and method for enhancing sound and apparatus thereof
11/28/2012CN1875403B Signal processing method and apparatus
11/28/2012CN102804264A Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
11/28/2012CN102804263A Coding method, decoding method, and device and program using the methods
11/28/2012CN102804262A Upmixing of audio signals
11/28/2012CN102800321A Method and apparatus for generating additional information bit stream of multi-object audio signal
11/28/2012CN102800320A Method and apparatus for generating additional information bit stream of multi-object audio signal
11/28/2012CN102800319A Audio encoding and decoding assembly as well as audio encoder-decoder identifying method and system
11/28/2012CN102800318A Device and method for transmitting and receiving audio data streams
11/28/2012CN102800317A Signal classification method and equipment, and encoding and decoding methods and equipment
11/28/2012CN102324229B Method and system for detecting abnormal use of voice input equipment
11/28/2012CN102165520B A method and an apparatus for processing a signal
11/28/2012CN102099854B A method and an apparatus for processing an audio signal
11/28/2012CN102007530B Embedder for embedding watermark into information representation, detector for detecting watermark in information representation, method
11/28/2012CN101874266B A method and an apparatus for processing a signal
11/28/2012CN101836250B A method and an apparatus for processing a signal
11/28/2012CN101836249B A method and an apparatus of decoding an audio signal
11/28/2012CN101785316B Audio encoding method and apparatus, and audio decoding method and apparatus, for processing death sinusoid and general continuation sinusoid
11/28/2012CN101662752B Mute frame conversion method and device thereof
11/28/2012CN101447791B Method for coding/decoding figure signal using permutation code
11/28/2012CN101425294B Sound encoding apparatus and sound encoding method
11/28/2012CN101385076B Apparatus and method for encoding/decoding signal
11/28/2012CN101253551B Method and apparatus for encoding and decoding an audio signal
11/27/2012US8321230 Method and device for the hierarchical coding of a source audio signal and corresponding decoding method and device, programs and signals
11/27/2012US8321229 Apparatus, medium and method to encode and decode high frequency signal
11/27/2012US8321211 System and method for multi-channel pitch detection
11/27/2012US8321210 Audio encoding/decoding scheme having a switchable bypass
11/27/2012US8321208 Speech processing and speech synthesis using a linear combination of bases at peak frequencies for spectral envelope information
11/27/2012US8321207 Device and method for postprocessing spectral values and encoder and decoder for audio signals
11/27/2012US8320391 Acoustic signal packet communication method, transmission method, reception method, and device and program thereof
11/27/2012US8320265 Method and apparatus for obtaining an attenuation factor
11/27/2012CA2557993C Frequency-based coding of audio channels in parametric multi-channel coding systems
11/27/2012CA2540581C Device and method for processing at least two input values
11/22/2012WO2012158705A1 Adaptive audio processing based on forensic detection of media processing history
11/22/2012WO2012158333A1 Forensic detection of parametric audio coding schemes
11/22/2012WO2012158168A1 Clock drift compensation method and apparatus
11/22/2012WO2012158159A1 Packet loss concealment for audio codec
11/22/2012WO2012108680A3 Method and device for bandwidth extension
11/22/2012US20120296659 Encoding device, decoding device, spectrum fluctuation calculation method, and spectrum amplitude adjustment method
11/22/2012US20120296658 Method and apparatus for real-time multidimensional adaptation of an audio coding system
11/22/2012US20120296642 Method and appratus for temporal speech scoring
11/22/2012US20120296641 Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
11/22/2012US20120296640 Encoding device and encoding method
11/22/2012US20120294447 Apparatus and method for encoding/decoding multichannel signal
11/22/2012DE112010004574T5 Verbergen von Audio-Unterbrechungen Hiding audio interruptions
11/22/2012CA2836122A1 Bit allocating, audio encoding and decoding
11/21/2012EP2525357A2 Method and apparatus for processing an audio signal
11/21/2012EP2525356A1 Encoding device and encoding method, decoding device and decoding method, and program
11/21/2012EP2525355A1 Audio encoding apparatus and audio encoding method
11/21/2012EP2525354A1 Encoding device and encoding method
11/21/2012EP2525352A1 Audio-processing device, audio-processing method and program
11/21/2012EP2524374A1 Forward time-domain aliasing cancellation using linear-predictive filtering
11/21/2012EP2524373A1 Watermark decoder and method for providing binary message data
11/21/2012EP2524372A1 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
11/21/2012EP2524371A1 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a hash table describing both significant state values and interval boundaries
11/21/2012EP2524370A1 Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
11/21/2012CN102792760A Switching off DTX for music
11/21/2012CN102792372A Source code adaption based on communication link quality and source coding delay
11/21/2012CN102792371A Encoding device and encoding method, decoding device and decoding method, and program
11/21/2012CN102792370A Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a hash table describing both significant state values and interval boundaries
11/21/2012CN102792369A Audio-processing device, audio-processing method and program
11/21/2012CN102790997A Method and device for transmission of adaptive multi-rate (AMR) voice data
11/21/2012CN102790671A ZigBee technology-based wireless full-duplex real-time voice transmission device and method
11/21/2012CN102239518B Encoding and decoding method and device
11/21/2012CN102237090B Multimedia system on chip (SOC) and multimedia processing method thereof and multimedia device
11/21/2012CN102163426B Fixed point transmission system
11/21/2012CN102113049B Signal reception device and signal transmission system
11/21/2012CN102044238B Music reproducing system
11/21/2012CN101953722B Cochlear implant and sound signal processing method thereof
11/21/2012CN101930735B Speech emotion recognition equipment and speech emotion recognition method
11/21/2012CN101923859B Audio data receiving apparatus, audio data receiving method, and audio data transmission and receiving system
11/21/2012CN101896966B Fast algorithms for computation of 5-point dct-II, dct-IV, and dst-IV, and architectures
11/21/2012CN101867757B Video frequency and audio frequency data recoding and reproducing apparatus
11/21/2012CN101807403B Multi-channel signal encoding method, decoding method, device thereof
11/21/2012CN101651752B Decoding method and decoding device
11/21/2012CN101572092B Method and device for searching constant codebook excitations at encoding and decoding ends
11/21/2012CN101496095B Systems, methods, and apparatus for signal change detection
11/21/2012CN101472171B Data conversion system
11/21/2012CN101405804B Method and apparatus for correlating two data sections
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