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)
12/2007
12/12/2007CN100354931C Watermark time scale searching
12/12/2007CN100354927C Pitch cycle search range setting device and pitch cycle search device
12/12/2007CN100354926C Pitch cycle search range setting device and pitch cycle search device
12/11/2007US7308407 Method and system for generating natural sounding concatenative synthetic speech
12/11/2007US7308406 Method and system for a waveform attenuation technique for predictive speech coding based on extrapolation of speech waveform
12/11/2007US7308403 Compensation for utterance dependent articulation for speech quality assessment
12/11/2007US7308402 Error resistant scalable audio coding partitioned for determining errors
12/11/2007US7308401 Encoding device and decoding device
12/11/2007US7308110 Methods for marking images
12/11/2007US7308099 Device and method for producing an encoded audio and/or video data stream
12/11/2007US7307981 Apparatus and method for converting LSP parameter for voice packet conversion
12/06/2007WO2007140003A2 System and method for processing an audio signal
12/06/2007WO2007139621A1 Adaptive acoustic echo cancellation
12/06/2007WO2007139300A1 Method and apparatus to search fixed codebook and method and appratus to encode/decode a speech signal using the method and apparatus to search fixed codebook
12/06/2007WO2007138825A1 Digital audio data processing device and processing method
12/06/2007WO2007138511A1 Linear predictive coding of an audio signal
12/06/2007WO2007138419A2 Decoding of predictively coded data using buffer adaptation
12/06/2007WO2007030326A3 Adaptive voice detection method and system
12/06/2007US20070282604 Noise Suppression Process And Device
12/06/2007US20070282603 Methods and Devices for Low-Frequency Emphasis During Audio Compression Based on Acelp/Tcx
12/06/2007US20070282599 Method and apparatus to encode and/or decode signal using bandwidth extension technology
12/06/2007US20070279273 Adaptive Quantiser
12/06/2007DE60126811T2 Kodierung von audiosignalen Coding of audio signals
12/05/2007EP1328923B1 Perceptually improved encoding of acoustic signals
12/05/2007CN200986697Y Microphone device for recording of USB interface
12/05/2007CN101083127A Apparatus and a method for processing signals from a device
12/05/2007CN101083077A Audio-power spectrum processing method for point realization
12/05/2007CN101083076A Method and apparatus to encode and/or decode signal using bandwidth extension technology
12/05/2007CN101083075A Logarithmic function point processing method for audio encoding
12/05/2007CN100353777C Method and equipment for treating special sound class in communication system
12/05/2007CN100353767C Watermark embedding and retrieval
12/05/2007CN100353451C Recording medium, editing method and equipment
12/04/2007US7305346 Audio processing method and audio processing apparatus
12/04/2007US7305341 Method of reflecting time/language distortion in objective speech quality assessment
12/04/2007US7305338 Apparatus and method for concealing erased periodic signal data
12/04/2007US7305337 Method and apparatus for speech coding and decoding
12/04/2007US7305117 Methods and tangible objects employing machine readable data
11/2007
11/30/2007CA2586335A1 Mp3 playing with simplified user interactive generation and navigation of playlists
11/29/2007WO2007135319A1 Conversion between subband field representations for time-dependent filter banks
11/29/2007WO2007111646A3 Speech post-processing using mdct coefficients
11/29/2007WO2007074401A3 Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
11/29/2007US20070277184 Data Processing Program And Data Processing Device
11/29/2007US20070277078 Signal decoding apparatus and signal decoding method
11/29/2007US20070276889 Method for creating a representation of a calculation result linearly dependent upon a square of a value
11/29/2007US20070276660 Method of denoising an audio signal
11/29/2007US20070276659 Apparatus and method for identifying prosody and apparatus and method for recognizing speech
11/29/2007US20070276658 Apparatus and Method for Detecting Speech Using Acoustic Signals Outside the Audible Frequency Range
11/29/2007US20070276657 Method for the time scaling of an audio signal
11/29/2007US20070276656 System and method for processing an audio signal
11/29/2007US20070276655 Method and apparatus to search fixed codebook and method and apparatus to encode/decode a speech signal using the method and apparatus to search fixed codebook
11/29/2007US20070276522 Portable sound reproducing system and method
11/29/2007US20070274564 Method and Apparatus for Associating Identifiers with Content
11/29/2007US20070274560 Soft Error Decoding Of Steganographic Data
11/29/2007US20070274523 Watermarking To Convey Auxiliary Information, And Media Embodying Same
11/29/2007US20070274386 Monitoring of Video or Audio Based on In-Band and Out-of-Band Data
11/29/2007US20070274383 Method for Encoding a Digital Signal Into a Scalable Bitstream; Method for Decoding a Scalable Bitstream
11/29/2007US20070274338 Method And Arrangement For Implementing Minimum Activity During Discontinous Transmission
11/29/2007US20070273790 Television apparatus
11/28/2007EP1860650A1 Vector quantizing device for LPC parameters
11/28/2007EP1860649A1 Data reproduction device
11/28/2007EP1860648A1 Sound source supply device and sound source supply method
11/28/2007EP1859441A1 Low-complexity code excited linear prediction encoding
11/28/2007EP1859440A1 Frame erasure concealment in voice communications
11/28/2007EP1859439A1 Multichannel audio compression and decompression method using virtual source location information
11/28/2007EP1774791A4 Context-based encoding and decoding of signals
11/28/2007EP1514415B1 Information terminal and information communication system
11/28/2007EP1391127A4 Location-based services
11/28/2007EP1388146B1 Method for encoding and transmitting voice signals
11/28/2007CN101080767A Method and device for low bit rate speech coding
11/28/2007CN101079263A Sound signal encoding /coding method
11/28/2007CN100351899C Intermediary for speech processing in network environments
11/28/2007CN100351898C Method for realizing control of equipment based on set mode through audio frequency compiling conversion
11/28/2007CN100351747C Data transmitting method and data transmitting appts.
11/27/2007US7302396 System and method for cross-fading between audio streams
11/27/2007US7302387 Modification of fixed codebook search in G.729 Annex E audio coding
11/27/2007US7302386 Focused search method of fixed codebook and apparatus thereof
11/27/2007US7302385 Speech restoration system and method for concealing packet losses
11/27/2007US7302079 Stealthy secret key encoding and decoding
11/27/2007US7302064 Fast estimation of weak bio-signals using novel algorithms for generating multiple additional data frames
11/27/2007US7302005 Efficient coding of side information in a lossless encoder
11/27/2007US7301939 Mobile wireless internet portable radio
11/27/2007US7301902 Generic on-chip homing and resident, real-time bit exact tests
11/22/2007WO2007132750A1 Lsp vector quantization device, lsp vector inverse-quantization device, and their methods
11/22/2007WO2007132396A1 Adaptive voice activity detection
11/22/2007WO2007131886A1 Method and apparatus for re-encoding signals
11/22/2007WO2007131564A1 Information signal coding
11/22/2007WO2007107455A8 Method and apparatus for correlating two data sections
11/22/2007US20070271101 Audio/Music Decoding Device and Audiomusic Decoding Method
11/22/2007US20070271095 Audio Encoder
11/22/2007US20070271094 Method and system for coding an information signal using closed loop adaptive bit allocation
11/22/2007US20070271092 Scalable Encoding Device and Scalable Enconding Method
11/22/2007US20070271091 Apparatus, method and program for vioce signal interpolation
11/22/2007US20070270987 Signal processing method, signal processing apparatus and recording medium
11/22/2007DE60311619T2 Datenreduktion in Audiokodierern unter Ausnutzung nichtharmonischer Effekte Data reduction in audio coders utilizing non-harmonic effects
11/22/2007DE102004059979B4 Vorrichtung und Verfahren zur Berechnung einer Signalenergie eines Informationssignals Device and method for calculating a signal power of an information signal
11/21/2007EP1858007A2 Signal processing method, signal processing apparatus and recording medium
11/21/2007EP1858006A1 Sound encoding device and sound encoding method
11/21/2007EP1856689A1 Time warping frames inside the vocoder by modifying the residual
11/21/2007EP1856688A1 Optimized fidelity and reduced signaling in multi-channel audio encoding
11/21/2007EP1554809A4 Method and apparatus for fast celp if parameter mapping
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