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)
05/2003
05/20/2003CA2262787C Methods and devices for noise conditioning signals representative of audio information in compressed and digitized form
05/15/2003US20030093746 System and methods for concealing errors in data transmission
05/15/2003US20030093282 Efficient system and method for converting between different transform-domain signal representations
05/15/2003US20030093279 System for bandwidth extension of narrow-band speech
05/15/2003US20030093271 Encoding device and decoding device
05/15/2003US20030093270 Comfort noise including recorded noise
05/15/2003US20030093268 Frequency domain formant enhancement
05/15/2003US20030093267 Presentation-quality buffering process for real-time audio
05/15/2003US20030093266 Speech coding apparatus, speech decoding apparatus and speech coding/decoding method
05/15/2003US20030093264 Encoding device, decoding device, and system thereof
05/15/2003US20030091194 Method and device for processing a stereo audio signal
05/15/2003US20030091182 Consolidated voice activity detection and noise estimation
05/15/2003US20030091033 Method for optimizing the use of network resources for the transmission of data signals, such as voice, over an IP-packet supporting network
05/15/2003US20030090059 Device and method for continuously shuffling and monitoring cards
05/15/2003US20030089217 Music playback apparatus and music playback system
05/14/2003EP1311085A1 Optimizing the use of network resources for data transmission over an IP-network
05/14/2003EP1310943A2 Speech coding apparatus, speech decoding apparatus and speech coding/decoding method
05/14/2003EP1310099A2 Modulating one or more parameters of an audio or video perceptual coding system in response to supplemental information
05/14/2003CN1418362A Linking of signal components in parametric encoding
05/14/2003CN1417789A Doumentation method and data reproducing method
05/14/2003CN1417772A Time interval insertion encoding and decoding monitor for matching image, voice and data
05/14/2003CN1108713C Digital radio communication set
05/13/2003US6564183 Speech coding including soft adaptability feature
05/13/2003US6564181 Method and system for measurement of speech distortion from samples of telephonic voice signals
05/13/2003US6563563 Printing of image with related sound
05/08/2003WO2003038813A1 Audio encoding and decoding device
05/08/2003WO2003038812A1 Audio encoding and decoding device
05/08/2003WO2003038811A1 Color palette based encoding of audio data
05/08/2003WO2003038389A1 Encoding device, decoding device and audio data distribution system
05/08/2003WO2002058054A1 Method and device for the generation of a scalable data stream and method and device for decoding a scalable data stream
05/08/2003US20030088423 Encoding device and decoding device
05/08/2003US20030088417 Speech analysis method and speech synthesis system
05/08/2003US20030088408 Method and apparatus to eliminate discontinuities in adaptively filtered signals
05/08/2003US20030088407 Codec
05/08/2003US20030088406 Adaptive postfiltering methods and systems for decoding speech
05/08/2003US20030088405 Adaptive postfiltering methods and systems for decoding speech
05/08/2003US20030088404 Compression method and apparatus, decompression method and apparatus, compression/decompression system, peak detection method, program, and recording medium
05/08/2003US20030088402 Method and system for low bit rate speech coding with speech recognition features and pitch providing reconstruction of the spectral envelope
05/08/2003US20030088400 Encoding device, decoding device and audio data distribution system
05/08/2003US20030088328 Encoding device and decoding device
05/08/2003US20030088327 Narrow-band audio signals
05/08/2003US20030088326 Low power digital audio decoding/playing system for computing devices
05/08/2003US20030086585 Embedding auxiliary signal with multiple components into media signals
05/08/2003US20030086575 Method and apparatus for noise filtering
05/08/2003US20030086494 Media coding for loss recovery with remotely predicted data units
05/08/2003US20030086436 Recommendation for a 1-bit Z channel for DRR
05/07/2003EP1309196A2 File creating method and data reproduction method
05/07/2003EP1308932A2 Adaptive postfiltering methods and systems for decoding speech
05/07/2003EP1308931A1 Decoding of a digital audio signal organised in frames comprising a header
05/07/2003EP1308927A1 Voice data processing device and processing method
05/07/2003EP1307992A2 Method and apparatus for the compression and decompression of audio files using a chaotic system
05/07/2003EP1307883A2 Power generating device
05/07/2003EP0722634B1 Method and apparatus for speech transmission in a mobile communications system
05/07/2003CN1416563A Wideband extension of telephone speech for higher perceptual quality
05/07/2003CN1416562A Reproduction appts and reproduction method
05/07/2003CN1416561A Speech decoder and method for decoding speech
05/07/2003CN1416111A Method for recognizing voice modified tone in system of recognizing voice of the Chinese language
05/06/2003US6560350 Methods for detecting alteration of audio
05/06/2003US6560349 Audio monitoring using steganographic information
05/06/2003US6560283 Re-encoding decoded signals
05/06/2003US6559780 System and method for processing a compressed data stream
05/06/2003CA2103051C Low computational-complexity digital filter bank
05/02/2003EP1306831A1 Digital signal processing method, learning method, apparatuses for them, and program storage medium
05/02/2003EP1306830A1 Digital signal processing method, learning method, apparatuses for them, and program storage medium
05/02/2003EP1305904A2 Flexible variable rate vocoder for wireless communication systems
05/02/2003EP1305901A2 Stegotext encoder and decoder
05/02/2003EP1305792A1 Method of speech compression without quality deterioration
05/02/2003EP1210712B1 Scalable coding method for high quality audio
05/02/2003EP0966828B1 Mobile telephone having continuous recording capability
05/02/2003EP0820625B1 Dictation system
05/01/2003WO2003036886A2 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
05/01/2003WO2003036624A1 Method of transmission of wideband audio signals on a transmission channel with reduced bandwidth
05/01/2003WO2003036622A2 Method and apparatus for decoding a coded digital audio signal which is arranged in frames containing headers
05/01/2003WO2003036621A1 Method and apparatus for enhancing loudness of an audio signal
05/01/2003WO2003036620A1 Tracking of sinusoidal parameters in an audio coder
05/01/2003WO2003036619A1 Frequency-differential encoding of sinusoidal model parameters
05/01/2003WO2003036615A1 Lpc-to-melp transcoder
05/01/2003WO2003036510A1 Signal processing method and processor
05/01/2003WO2002093551A3 Method and system for line spectral frequency vector quantization in speech codec
05/01/2003US20030083886 Audio coding
05/01/2003US20030083880 Framework for channelized voice using SDSL
05/01/2003US20030083869 Efficient excitation quantization in a noise feedback coding system using correlation techniques
05/01/2003US20030083868 Voice coding method, voice coding apparatus, and voice decoding apparatus
05/01/2003US20030083867 Method, apparatus, and system for efficient rate control in audio encoding
05/01/2003US20030083866 Requirements for dynamic rate repartitioning
05/01/2003US20030083865 Robust quantization and inverse quantization using illegal space
05/01/2003US20030083864 File creating method and data reproduction method
05/01/2003US20030081797 Audio processing device
05/01/2003US20030081781 Apparatus and methods for including codes in audio signals
05/01/2003US20030081582 Aggregating multiple wireless communication channels for high data rate transfers
05/01/2003US20030081146 Optical encoding of audio data
05/01/2003CA2464409A1 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
04/2003
04/29/2003US6556966 Codebook structure for changeable pulse multimode speech coding
04/29/2003US6556965 Wired and cordless telephone systems with extended frequency range
04/24/2003WO2003034732A1 Interactive protocol for remote management of access control to scrambled data
04/24/2003WO2003034406A1 Method for learning a code book
04/24/2003WO2003005700A3 Lossless intraframe encoding using golomb-rice
04/24/2003WO2001071480A3 System and method for voice access to internet-based information
04/24/2003US20030079176 Advertisement method and system for displaying an advertisement window in the specific area of a web browser
04/24/2003US20030079064 Recording/reproducing apparatus