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)
10/2003
10/28/2003US6639649 Synchronization of music and images in a camera with audio capabilities
10/23/2003WO2003088561A1 System for managing distribution of digital audio content
10/23/2003WO2003088534A1 Feature-based audio content identification
10/23/2003WO2003088212A1 Device and method for encoding a time-discrete audio signal and device and method for decoding coded audio data
10/23/2003WO2003023764A8 Controlling a weighting filter based on the spectral content of a speech signal
10/23/2003US20030200240 Random number generating apparatus, random number generating method, program for generating random numbers, audio decoder and audio decoding method
10/23/2003US20030200096 Communication device, communication method, and vehicle-mounted navigation apparatus
10/23/2003US20030200092 System of encoding and decoding speech signals
10/23/2003US20030200083 Speech decoding device and speech decoding method
10/23/2003US20030200081 Audio signal decoding and encoding device, decoding device and encoding device
10/23/2003US20030199268 System, server, method, and computer program for delivering sound data
10/22/2003EP1355471A2 Error resilient windows media audio coding
10/22/2003EP1355428A1 Data processing apparatus
10/22/2003EP1355298A2 Code Excitation linear prediction encoder and decoder
10/22/2003EP1355297A1 Data processing device
10/22/2003EP1355293A2 Method for recording music, for reproducing music and system for ensemble on the basis of music data codes differently formatted
10/22/2003EP1354416A2 Enhanced conversion of wideband signals to narrowband signals
10/22/2003EP1354315A1 Indexing pulse positions and signs in algebraic codebooks for coding of wideband signals
10/22/2003EP1354314A2 Method and device for producing a scalable data stream, and method and device for decoding a scalable data stream while taking a bit bank function into account
10/22/2003EP1354276A2 Method and apparatus for creating a unique audio signature
10/22/2003EP0993730B1 System and method for coding and broadcasting voice data
10/22/2003CN1451155A Multimode speech encoder
10/22/2003CN1451154A Method and apparatus for identifying frequency bands to compute linear phase shase shifts between frame prototypes in a speech coder
10/22/2003CN1451153A Methods and system for encoding an audio sequence with synchronized data and outputting the same
10/22/2003CN1450529A Decoder for phoneme of speech sound
10/22/2003CN1450528A Coding for phoneme of speech sound and method for synthesizing speech sound
10/22/2003CN1450527A Method for regulating sound pronunciation speed
10/22/2003CN1125438C Reducing sparseness in coded speech signals
10/22/2003CN1125432C Vocoder-based voice recognizer, recognizing method and digital cellulr telephone
10/21/2003USRE38279 Vector coding method, encoder using the same and decoder therefor
10/21/2003US6636938 Sound generator
10/21/2003US6636830 System and method for noise reduction using bi-orthogonal modified discrete cosine transform
10/21/2003US6636829 Speech communication system and method for handling lost frames
10/21/2003US6636615 Methods and systems using multiple watermarks
10/16/2003WO2003086017A2 Signal processing
10/16/2003WO2003085941A1 Providing of presence information to a telephony services system
10/16/2003WO2003085940A1 Media translator
10/16/2003WO2003085937A2 Enhanced services call completion
10/16/2003WO2003085916A1 Call completion via instant communications client
10/16/2003WO2003085915A1 Billing system for communications services involving telephony and instant communications
10/16/2003WO2003085914A2 Billing system for services provided via instant communications
10/16/2003WO2003085913A1 Telephony services system with instant communications enhancements
10/16/2003WO2003085844A2 Communications gateway with messaging communications interface
10/16/2003WO2003085836A1 Signal recording/reproduction method, code string generation method, and program
10/16/2003WO2003085645A1 Coding of stereo signals
10/16/2003WO2003085644A1 Encoding device and decoding device
10/16/2003WO2003085643A1 Coding of stereo signals
10/16/2003WO2003085539A1 Messaging response system
10/16/2003WO2003085536A1 Method for protecting work content in electronic work distribution
10/16/2003WO2003085479A2 Apparatus and method for rendering user data
10/16/2003WO2003036622A3 Method and apparatus for decoding a coded digital audio signal which is arranged in frames containing headers
10/16/2003WO2002029510A3 A method and system for distributing digital content with embedded message
10/16/2003US20030195851 System for managing distribution of digital audio content
10/16/2003US20030195752 Interleaving of information into compressed digital audio streams
10/16/2003US20030195746 Speech coding/decoding method and apparatus
10/16/2003US20030195745 LPC-to-MELP transcoder
10/16/2003US20030195744 Determining linear predictive coding filter parameters for encoding a voice signal
10/16/2003US20030195742 Encoding device and decoding device
10/16/2003US20030194004 Broadcast encoding system and method
10/16/2003US20030193961 Billing system for communications services involving telephony and instant communications
10/16/2003US20030193900 Error resilient windows media audio coding
10/15/2003EP1353323A1 Method, device and program for coding and decoding acoustic parameter, and method, device and program for coding and decoding sound
10/15/2003EP1352377A1 A display device
10/15/2003EP1095312B1 Printed image with related sound
10/15/2003EP0996948B1 Transmission system using an improved signal encoder and decoder
10/15/2003EP0818102A4 Communication package with apparatus and method for storing and retrieving a permanent message
10/15/2003CN1449518A System and method for voice access to internet-based information
10/15/2003CN1124590C Method for improving performance of voice coder
10/15/2003CN1124589C Method and apparatus for searching excitation codebook in code excited linear prediction (CELP) coder
10/15/2003CN1124588C Signal coding method and apparatus
10/15/2003CN1124548C Recording/reproducing apparatus
10/14/2003US6633841 Voice activity detection speech coding to accommodate music signals
10/14/2003US6633839 Method and apparatus for speech reconstruction in a distributed speech recognition system
10/09/2003WO2003084103A1 Analog audio enhancement system using a noise suppression algorithm
10/09/2003WO2003084091A1 Power control in mobile communication systems
10/09/2003WO2003084090A1 Power control in mobile communication system
10/09/2003WO2003083860A1 Window shaping functions for watermarking of multimedia signals
10/09/2003WO2003083859A2 Watermark time scale searching
10/09/2003WO2003083858A1 Time domain watermarking of multimedia signals
10/09/2003WO2003083857A1 Decoding of watermarked information signals
10/09/2003WO2003083834A1 Reconstruction of the spectrum of an audiosignal with incomplete spectrum based on frequency translation
10/09/2003WO2003083833A1 Method for modeling speech harmonic magnitudes
10/09/2003US20030191635 Multi-channel signal encoding and decoding
10/09/2003US20030191634 Signal-predictive audio transmission system
10/09/2003US20030190054 Method and system for distributing digital content with embedded message
10/08/2003EP1351465A2 Voice transmitting and receiving system
10/08/2003EP1351219A1 Voice encoding system, and voice encoding method
10/08/2003EP1351218A2 Audio signal reproducing method and an apparatus for reproducing the same
10/08/2003EP1350380A1 Processing apparatus for acquired signals
10/08/2003EP1350219A1 Method and apparatus for the compression and decompression of image files using a chaotic system
10/08/2003CN1448034A Method and appts. for using non-symmetric speech coders to produce non-symmetric links in wireless communication system
10/08/2003CN1447969A Low latency data encoder
10/08/2003CN1447963A Method for noise robust classification in speech coding
10/08/2003CN1447603A Data compress method based on higher order entropy of message source
10/08/2003CN1447332A Audio processing method and audio processor
10/08/2003CN1124062C Method and appts. for audio information communication via wireless networks
10/08/2003CN1123866C Voice coding/decoding method and appts. for same
10/08/2003CN1123865C Block effect eliminating method in wavelet voice frequency signal processing
10/08/2003CN1123864C Subband filtering and delaying estimation and correction method for audio data wave packet encoder
10/07/2003USRE38269 Enhancement of speech coding in background noise for low-rate speech coder
1 ... 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 ... 320