Patents
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)
02/2013
02/27/2013CN102203853B Method and apparatus for synthesizing a speech with information
02/27/2013CN102194462B Fixed codebook searching apparatus
02/27/2013CN102194458B Spectral band replication method and device and audio decoding method and system
02/27/2013CN102194457B Audio encoding and decoding method, system and noise level estimation method
02/27/2013CN102089803B Method and discriminator for classifying different segments of a signal
02/27/2013CN101882441B Efficient filtering with a complex modulated filterbank
02/27/2013CN101772805B Method and apparatus for sinusoidal audio coding and method and apparatus for sinusoidal audio decoding
02/27/2013CN101542597B Methods and apparatuses for encoding and decoding object-based audio signals
02/27/2013CN101490745B Method and apparatus for encoding and decoding an audio signal
02/26/2013US8386925 Information processing terminal device, information processing device, information processing method, and program
02/26/2013US8386269 Multi-channel audio encoding and decoding
02/26/2013US8386268 Apparatus and method for generating a synthesis audio signal using a patching control signal
02/26/2013US8386267 Stereo signal encoding device, stereo signal decoding device and methods for them
02/26/2013US8386266 Full-band scalable audio codec
02/26/2013US8386246 Low-complexity frame erasure concealment
02/26/2013US8386245 Open-loop pitch track smoothing
02/26/2013US8386243 Regeneration of wideband speech
02/26/2013US8386242 Method, medium and apparatus enhancing a bass signal using an auditory property
02/26/2013US8385670 Image restoration by vector quantization utilizing visual patterns
02/26/2013US8385556 Parametric stereo conversion system and method
02/24/2013CA2840788A1 Encoding device and encoding method, decoding device and decoding method, and program
02/24/2013CA2840785A1 Encoding device and method, decoding device and method, and program
02/21/2013WO2013024464A2 Mechanism for dynamic signaling of encoder capabilities
02/21/2013WO2013024200A1 Apparatus and method for multi-channel signal playback
02/21/2013WO2013024085A1 Optimal mixing matrices and usage of decorrelators in spatial audio processing
02/21/2013US20130046546 Apparatus and method for modifying an input audio signal
02/21/2013US20130046545 Digital broadcast reception device
02/21/2013US20130046534 Mechanism for dynamic signaling of encoder capabilities
02/21/2013US20130046401 Recording and/or reproducing apparatus and recording apparatus
02/21/2013US20130045724 Apparatus and method for providing multi communication service in mobile communication terminal
02/21/2013US20130044647 Bandwidth extension in a multipoint conference unit
02/21/2013CA2843820A1 Optimal mixing matrices and usage of decorrelators in spatial audio processing
02/21/2013CA2842886A1 Mechanism of dynamic signaling of encoder capabilities
02/20/2013EP2560166A1 Signal processing device and method, encoding device and method, decoding device and method, and program
02/20/2013EP2560165A1 Signal processing device and method, encoding device and method, decoding device and method, and program
02/20/2013EP2560163A1 Apparatus and method of enhancing quality of speech codec
02/20/2013EP2560162A1 Apparatus and method of enhancing quality of speech codec
02/20/2013EP2560161A1 Optimal mixing matrices and usage of decorrelators in spatial audio processing
02/20/2013EP2560160A1 Mixing processing method, device and system of audio signals
02/20/2013EP2560159A1 Encoding system for cinema identification and corresponding method
02/20/2013EP2559029A1 Method and encoder and decoder for gap - less playback of an audio signal
02/20/2013EP2559028A1 Flexible and scalable combined innovation codebook for use in celp coder and decoder
02/20/2013EP2559027A1 Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction
02/20/2013EP2559026A1 Audio communication device, method for outputting an audio signal, and communication system
02/20/2013CN102939628A Apparatus and method for processing an input audio signal using cascaded filterbanks
02/20/2013CN102938253A Method, medium, and apparatus with scalable channel decoding
02/20/2013CN102385863B Sound coding method based on speech music classification
02/20/2013CN102237094B Method and device for processing/transmitting bit stream and receiving/processing bit stream
02/20/2013CN102203855B Coding scheme selection for low-bit-rate applications
02/19/2013US8380526 Method, device and system for enhancement layer signal encoding and decoding
02/19/2013US8380525 Continued telecommunication with weak links
02/19/2013US8380524 Rate-distortion optimization for advanced audio coding
02/19/2013US8380522 Layer 2 compression/decompression for mixed synchronous/asynchronous transmission of data frames within a communication network
02/19/2013US8380518 Device, method, and medium for generating audio fingerprint and retrieving audio data
02/19/2013US8380498 Temporal envelope coding of energy attack signal by using attack point location
02/19/2013US8380496 Method and system for pitch contour quantization in audio coding
02/19/2013US8380495 Transcoding method, transcoding device and communication apparatus used between discontinuous transmission
02/19/2013US8380494 Speech detection using order statistics
02/19/2013US8379779 Echo cancellation for a packet voice system
02/19/2013CA2524243C Speech coding apparatus including enhancement layer performing long term prediction
02/14/2013WO2013021881A1 Information system, information reproduction device, information generation method, and recording medium
02/14/2013WO2013020341A1 Method and apparatus for changing sound effect
02/14/2013US20130041673 Apparatus, method and computer program for generating a wideband signal using guided bandwidth extension and blind bandwidth extension
02/14/2013US20130041672 Method and encoder and decoder for sample-accurate representation of an audio signal
02/14/2013CA2847689A1 System and method of processing a sound signal including transforming the sound signal into a frequency-chirp domain
02/13/2013EP2557566A2 Method and apparatus for processing an audio signal
02/13/2013EP2556504A1 Mdct-based complex prediction stereo coding
02/13/2013EP2556503A1 Mdct-based complex prediction stereo coding
02/13/2013EP2556502A1 Mdct-based complex prediction stereo coding
02/13/2013CN1882983B Method and system for pitch contour quantization in audio coding
02/13/2013CN102934164A Apparatus and method for handling transient sound events in audio signals when changing the replay speed or pitch
02/13/2013CN102934162A Method and apparatus for searching in a layered hierarchical bit stream followed by replay, said bit stream including a base layer and at least one enhancement layer
02/13/2013CN102934161A Audio hybrid encoding device, and audio hybrid decoding device
02/13/2013CN102930872A Method and device for postprocessing pitch enhancement in broadband speech decoding
02/13/2013CN102930871A Linear predication analysis method, device and system
02/13/2013CN102436819B Wireless audio compression and decompression methods, audio coder and audio decoder
02/13/2013CN101611440B Low-delay transform coding using weighting windows
02/13/2013CN101563848B Audio encoding and decoding apparatus and method thereof
02/13/2013CN101356572B Method and apparatus for decoding an audio signal
02/13/2013CN101297352B Apparatus for encoding and decoding audio signal and method thereof
02/13/2013CN101221764B Sound encoder and sound decoder
02/12/2013US8374884 Decoding apparatus and decoding method
02/12/2013US8374883 Encoder and decoder using inter channel prediction based on optimally determined signals
02/12/2013US8374882 Parametric stereophonic audio decoding for coefficient correction by distortion detection
02/12/2013US8374871 Methods for creating a phrase thesaurus
02/12/2013US8374860 Method, apparatus, system and software product for adaptation of voice activity detection parameters based oncoding modes
02/12/2013US8374858 Scalable lossless audio codec and authoring tool
02/12/2013US8374857 Estimating rate controlling parameters in perceptual audio encoders
02/12/2013US8374856 Method and apparatus for concealing packet loss, and apparatus for transmitting and receiving speech signal
02/12/2013US8374853 Hierarchical encoding/decoding device
02/12/2013US8374852 Apparatus and method of code conversion and recording medium that records program for computer to execute the method
02/12/2013CA2507535C Reducing scale factor transmission cost for mpeg-2 advanced audio coding (aac) using a lattice based post processing technique
02/07/2013WO2013019562A2 Adaptive voice intelligibility processor
02/07/2013WO2013019019A2 Audio signal processing method and audio signal processing apparatus therefor
02/07/2013WO2013017966A1 Audio watermarking
02/07/2013WO2013017527A1 Control of the transmission of a voice signal over a bluetooth® radio link
02/07/2013WO2013017435A1 Improved fm stereo radio receiver by using parametric stereo
02/07/2013WO2013017018A1 Method and apparatus for performing voice adaptive discontinuous transmission
02/07/2013WO2013016986A1 Compensation method and device for frame loss after voiced initial frame
02/07/2013WO2012108943A8 Devices for adaptively encoding and decoding a watermarked signal
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