| 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) |
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| 07/28/2004 | EP1440433A1 Audio encoding and decoding device |
| 07/28/2004 | EP1440432A1 Audio encoding and decoding device |
| 07/28/2004 | EP1440300A1 Encoding device, decoding device and audio data distribution system |
| 07/28/2004 | CN1516877A Filter device and methods |
| 07/28/2004 | CN1516865A Encoder and decoder |
| 07/28/2004 | CN1516496A Transmission system including at least a coder |
| 07/28/2004 | CN1516348A Storage medium for coding multidigital information signal |
| 07/28/2004 | CN1516113A Voice communication system and method for processing drop-out fram |
| 07/28/2004 | CN1516019A Record reproducing device |
| 07/28/2004 | CN1159699C Method for dectreasing the processing capacity required by speech encoding and a network element |
| 07/27/2004 | US6768980 Method of and apparatus for high-bandwidth steganographic embedding of data in a series of digital signals or measurements such as taken from analog data streams or subsampled and/or transformed digital data |
| 07/27/2004 | US6768978 Speech coding/decoding method and apparatus |
| 07/27/2004 | US6768808 Encoding and decoding methods in which decryption data is conveyed steganographically within audio or visual content |
| 07/22/2004 | WO2004062283A1 Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data |
| 07/22/2004 | WO2004062156A2 Method and apparatus for providing background audio during a communication session |
| 07/22/2004 | WO2004061823A1 Reducing scale factor transmission cost for mpeg-2 aac using a lattice |
| 07/22/2004 | WO2003085479A3 Apparatus and method for rendering user data |
| 07/22/2004 | US20040143742 Code generating method and unit thereof, code detecting method and unit thereof, and watermark embedding unit and watermark detecting unit |
| 07/22/2004 | US20040143439 Pseudo-cepstral adaptive short-term post-filters for speech coders |
| 07/22/2004 | US20040143432 Speech coder and speech decoder |
| 07/22/2004 | US20040143431 Method for determining quantization parameters |
| 07/22/2004 | US20040143350 Processing circuit capable of modifying digital audio signals |
| 07/22/2004 | US20040142680 Multiple message multilevel analog signal recording and playback system containing configurable analog processing functions |
| 07/22/2004 | US20040141727 Recording apparatus |
| 07/22/2004 | US20040141612 Code-string encryption method and apparatus, decryption method and apparatus, and recording medium |
| 07/22/2004 | CA2507535A1 Reducing scale factor transmission cost for mpeg-2 advanced audio coding (aac) using a lattice based post processing technique |
| 07/21/2004 | EP1439525A1 Optimisation of transition distortion |
| 07/21/2004 | EP1439524A1 Audio decoding device, decoding method, and program |
| 07/21/2004 | EP1439523A1 Method for multiple access and transmission in a point-to-multipoint system on an electric network |
| 07/21/2004 | EP1439473A1 Signal processing method and processor |
| 07/21/2004 | EP1438712A2 Method and apparatus for decoding a coded digital audio signal which is arranged in frames containing headers |
| 07/21/2004 | EP1052620B1 Sound encoding method and sound decoding method, and sound encoding device and sound decoding device |
| 07/21/2004 | CN1514998A Method and apparatus for inter operability between voice tansmission systems during speech inactivity |
| 07/21/2004 | CN1514997A Editing of audio signals |
| 07/21/2004 | CN1514994A Method and apparatus for coding successive pitch periods in speech signal |
| 07/21/2004 | CN1514931A Voice signal interpolation device, method and program |
| 07/21/2004 | CN1158648C Speech variable bit-rate coding method and equipment |
| 07/21/2004 | CN1158647C Spectral magnitude quantization for speech coder |
| 07/21/2004 | CN1158646C Using gain-adaptive quantization and non-uniform symbol lengths for audio coding |
| 07/20/2004 | US6766293 Method for signalling a noise substitution during audio signal coding |
| 07/20/2004 | US6766289 Fast code-vector searching |
| 07/20/2004 | US6766020 System and method for comfort noise generation |
| 07/20/2004 | US6765930 Decoding apparatus and method, and providing medium |
| 07/20/2004 | US6763995 Method and system for illustrating sound and text |
| 07/15/2004 | WO2004059894A2 Method and device for compressed-domain packet loss concealment |
| 07/15/2004 | WO2004059643A1 Method and apparatus for mixing audio stream and information storage medium |
| 07/15/2004 | WO2004059618A1 Method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding |
| 07/15/2004 | WO2004025842A3 System for efficient recovery of node-b buffered data following mac layer reset |
| 07/15/2004 | WO2004015685A3 Distributed speech recognition with back-end voice activity detection apparatus and method |
| 07/15/2004 | US20040139381 Recording medium, recording method and apparatus, reproduction method and apparatus, data transmission method, and data demodulation method |
| 07/15/2004 | US20040139380 Method of recording on recording medium and recording device, and method of reproducing from recording meidumand reproducing device |
| 07/15/2004 | US20040139324 Apparatus and method for preventing forgery/alteration of the data recorded by digital voice recorder |
| 07/15/2004 | US20040138888 Method and apparatus for speech reconstruction within a distributed speech recognition system |
| 07/15/2004 | US20040138886 Method and system for parametric characterization of transient audio signals |
| 07/15/2004 | US20040138880 Estimating signal power in compressed audio |
| 07/15/2004 | US20040138879 Voice modulation apparatus and method |
| 07/15/2004 | US20040138878 Method for estimating a codec parameter |
| 07/15/2004 | US20040138877 Speech input apparatus and method |
| 07/15/2004 | US20040138876 Method and apparatus for artificial bandwidth expansion in speech processing |
| 07/15/2004 | US20040137929 Communication system |
| 07/15/2004 | US20040137846 Method for fast dynamic estimation of background noise |
| 07/15/2004 | US20040136447 Echo cancellation for a packet voice system |
| 07/15/2004 | US20040136268 Inverse filtering method, synthesis filtering method, inverse filter device, synthesis filter device and devices comprising such filter devices |
| 07/15/2004 | DE10216322B4 Stimmenkonverter Voices Converter |
| 07/15/2004 | CA2514682A1 Method and apparatus for mixing audio stream and information storage medium |
| 07/14/2004 | EP1437713A1 Encoding apparatus and method; decoding apparatus and method and recording medium recording apparatus and method |
| 07/14/2004 | EP1436996A1 Interactive protocol for remote management of access control to scrambled data |
| 07/14/2004 | EP1436958A1 A digital implementation of multi-channel demodulators |
| 07/14/2004 | EP1216474B1 Efficient spectral envelope coding using variable time/frequency resolution |
| 07/14/2004 | CN1513168A Method and system for confort noise generation in speed communication |
| 07/14/2004 | CN1512489A Method and device for selecting coding speed in variable speed vocoder |
| 07/14/2004 | CN1512488A Method and device for selecting coding speed in variable speed vocoder |
| 07/14/2004 | CN1512487A Method and device for selecting coding speed in variable speed vocoder |
| 07/14/2004 | CN1512486A Vocoder specific use integrated circuit |
| 07/14/2004 | CN1157853C Digital information signal receiver, transmitter and transmitting method |
| 07/14/2004 | CN1157688C Data carrier provided with at least two decoding stages |
| 07/13/2004 | US6763330 Receiver for receiving a linear predictive coded speech signal |
| 07/13/2004 | US6763274 Digital audio compensation |
| 07/13/2004 | US6763123 Detection of out-of-phase low visibility watermarks |
| 07/08/2004 | WO2004057577A1 Sub-sampled excitation waveform codebooks |
| 07/08/2004 | WO2004057576A1 Sinusoid selection in audio encoding |
| 07/08/2004 | WO2004057575A2 Sinusoid selection in audio encoding |
| 07/08/2004 | WO2004023524A3 Storage medium rental system |
| 07/08/2004 | WO2003001508B1 Method for multiple access and transmission in a point-to-multipoint system on an electric network |
| 07/08/2004 | WO2002047081A3 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media |
| 07/08/2004 | US20040133894 Universal digital media communications and control system and method |
| 07/08/2004 | US20040133423 Transient performance of low bit rate audio coding systems by reducing pre-noise |
| 07/08/2004 | US20040133422 Speech compression method and apparatus |
| 07/08/2004 | US20040133421 Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression |
| 07/08/2004 | US20040133419 Method and apparatus for interoperability between voice transmission systems during speech inactivity |
| 07/08/2004 | US20040131204 Reducing scale factor transmission cost for MPEG-2 advanced audio coding (AAC) using a lattice based post processing technique |
| 07/08/2004 | US20040131203 Spectral translation/ folding in the subband domain |
| 07/08/2004 | CA2475578A1 Sub-sampled excitation waveform codebooks |
| 07/07/2004 | CN1511313A Encoding device, decoding device and system thereof |
| 07/07/2004 | CN1511311A Method for comparing audio signal by characterisation based on auditory events |
| 07/07/2004 | CN1511309A Language learning system and digital storage unit |
| 07/07/2004 | CN1510662A Compressible stereo audio frequency encoding/decoding method and device |
| 07/07/2004 | CN1510661A Method and apparatus for using time frequency related coding and/or decoding digital audio frequency |
| 07/07/2004 | CN1510660A Method and apparatus for phase spectrum subsamples drawn |
| 07/07/2004 | CN1157098C Electronic converter, timer having same and bidirection communication method |