| 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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| 06/19/2002 | CN1354569A System and method for transmission of music |
| 06/19/2002 | CN1354456A Block effect eliminating method in wavelet voice frequency signal processing |
| 06/18/2002 | US6408268 Voice encoder, voice decoder, voice encoder/decoder, voice encoding method, voice decoding method and voice encoding/decoding method |
| 06/18/2002 | US6408267 Method for decoding an audio signal with correction of transmission errors |
| 06/18/2002 | US6408082 Watermark detection using a fourier mellin transform |
| 06/18/2002 | CA2182159C Speech encoder capable of substantially increasing a codebook size without increasing the number of transmitted bits |
| 06/13/2002 | WO2002047262A2 Filter devices and methods |
| 06/13/2002 | WO2002047081A2 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media |
| 06/13/2002 | WO2002047080A2 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media |
| 06/13/2002 | WO2002047069A1 Reproduction apparatus and reproduction method |
| 06/13/2002 | WO2002047068A2 Method and apparatus for robust speech classification |
| 06/13/2002 | WO2002035498A3 Interactive learning system method for infants, toddlers and young children |
| 06/13/2002 | WO2002025638A3 Codebook structure and search for speech coding |
| 06/13/2002 | WO2002023536A3 Formant emphasis in celp speech coding |
| 06/13/2002 | WO2002017302A3 Transcoder for sampling frequency conversion and synchronization of audio signals |
| 06/13/2002 | WO2002005262A3 Sub-band exponential smoothing noise canceling system |
| 06/13/2002 | WO2000079518A9 A generalized method of encoding a hidden digital signature onto an audio signal using psychoacoustic masking |
| 06/13/2002 | US20020072926 Information processing apparatus and method, and program storing medium |
| 06/13/2002 | US20020072919 Communication apparatus |
| 06/13/2002 | US20020072904 Noise feedback coding method and system for efficiently searching vector quantization codevectors used for coding a speech signal |
| 06/13/2002 | US20020072903 Rate control device for variable-rate voice encoding system and method thereof |
| 06/13/2002 | US20020072902 Adoptive storage of audio signals |
| 06/13/2002 | US20020072901 Error concealment in relation to decoding of encoded acoustic signals |
| 06/13/2002 | US20020072899 Sub-band speech coding system |
| 06/13/2002 | US20020072898 Audio coding decoding device and method and recording medium with program recorded therein |
| 06/13/2002 | US20020072818 MPEG portable sound reproducing system and a reproducing method thereof |
| 06/13/2002 | US20020071593 Digital watermark embedding apparatus, digital watermark detecting apparatus, digital watermark embedding method, digital watermark detecting method and computer program product |
| 06/13/2002 | US20020069748 Electronic musical instrument and tone volume control method |
| 06/13/2002 | US20020069746 Recording/reproduction system of music data, and music data storage medium |
| 06/13/2002 | DE10059362A1 Adaptive Speicherung von Audiosignalen Adaptive storage of audio signals |
| 06/12/2002 | EP1213720A1 Recording/reproduction system of music data, and music data storage medium |
| 06/12/2002 | EP1212857A2 Method and device for introducing information into a data stream and a method for encoding an audio signal |
| 06/12/2002 | EP1212750A1 Multimode vselp speech coder |
| 06/12/2002 | EP1212749A1 Method and apparatus for interleaving line spectral information quantization methods in a speech coder |
| 06/12/2002 | EP1212670A2 Methods and apparatus for secure content distribution |
| 06/12/2002 | EP0786762B1 Vector encoding method and encoder/decoder using the method |
| 06/12/2002 | CN1353413A Method and equipment and modifying speech sound signal using music |
| 06/11/2002 | US6405255 Mixing and splitting multiple independent audio data streams in kernel space |
| 06/11/2002 | US6404898 Method and system for encoding image and audio content |
| 06/06/2002 | WO2002045319A2 Low power digital audio decoding/playing system for computing devices |
| 06/06/2002 | WO2002045307A1 Method and apparatus for progressive transmission of time based signals |
| 06/06/2002 | WO2002045286A2 Acoustic communication system |
| 06/06/2002 | WO2002045280A2 System and method for processing an audio signal prior to encoding |
| 06/06/2002 | WO2002045273A2 Communication system |
| 06/06/2002 | WO2002045078A1 Audio decoder and audio decoding method |
| 06/06/2002 | WO2002045077A1 Vector quantizing device for lpc parameters |
| 06/06/2002 | WO2002045050A1 A display device |
| 06/06/2002 | US20020069075 Transceiver for selecting a source coder based on signal distortion estimate |
| 06/06/2002 | US20020069052 Noise feedback coding method and system for performing general searching of vector quantization codevectors used for coding a speech signal |
| 06/06/2002 | US20020069051 Speech band division decoder |
| 06/06/2002 | US20020067844 Detection of out-of-phase low visibility watermarks |
| 06/06/2002 | US20020067834 Encoding and decoding system for audio signals |
| 06/06/2002 | CA2430342A1 A display device |
| 06/05/2002 | EP1211670A1 Voice encoding/decoding device and method therefor |
| 06/05/2002 | EP1211669A2 Methods for speech quantization and error correction |
| 06/05/2002 | EP1210712A1 Scalable coding method for high quality audio |
| 06/05/2002 | EP0842509B1 Method and apparatus for generating and encoding line spectral square roots |
| 06/05/2002 | EP0819302B1 Arrangement and method relating to speech transmission and a telecommunications system comprising such arrangement |
| 06/05/2002 | EP0744069B1 Burst excited linear prediction |
| 06/05/2002 | CN1352451A Speech decoder for high quality decoding of background onise signals |
| 06/05/2002 | CN1086082C Method for detecting defective speech frame and receiver for receiving speech signal |
| 06/04/2002 | US6401200 Device for simultaneously downloading code into plural DSP memories from single master memory |
| 06/04/2002 | US6401062 Apparatus for encoding and apparatus for decoding speech and musical signals |
| 06/04/2002 | US6401028 Position guiding method and system using sound changes |
| 06/04/2002 | US6400827 Methods for hiding in-band digital data in images and video |
| 06/04/2002 | US6400310 Method and apparatus for a tunable high-resolution spectral estimator |
| 06/04/2002 | US6400294 Method of muting a digital signal and a digital signal recording apparatus and a digital signal processing apparatus employing the digital signal muting method |
| 05/30/2002 | WO2002043291A2 Perceptual audio signal compression system and method |
| 05/30/2002 | WO2002043053A1 Indexing pulse positions and signs in algebraic codebooks for coding of wideband signals |
| 05/30/2002 | WO2002043052A1 Method, device and program for coding and decoding acoustic parameter, and method, device and program for coding and decoding sound |
| 05/30/2002 | WO2002043048A2 Method and system for comfort noise generation in speech communication |
| 05/30/2002 | WO2002042888A2 Device for storing and reproducing audio and/or video |
| 05/30/2002 | WO2002007151A3 Method and apparatus for removing noise from speech signals |
| 05/30/2002 | WO2001089086A8 Spectrum modeling |
| 05/30/2002 | US20020065664 System and method for linear prediction |
| 05/30/2002 | US20020065655 Method for the encoding of prosody for a speech encoder working at very low bit rates |
| 05/30/2002 | US20020065649 Mel-frequency linear prediction speech recognition apparatus and method |
| 05/30/2002 | US20020065648 Voice encoding apparatus and method therefor |
| 05/30/2002 | US20020064298 Methods and systems using multiple watermarks |
| 05/30/2002 | US20020064285 System and method for processing an audio signal prior to encoding |
| 05/30/2002 | US20020064284 Sound signal encoding apparatus and method |
| 05/30/2002 | US20020064186 Voice packet communications system with communications quality evaluation function |
| 05/30/2002 | US20020064158 Quality control device for voice packet communications |
| 05/30/2002 | US20020064096 Reproduction apparatus and reproduction method |
| 05/30/2002 | US20020063783 Audio file deleting method, apparatus and program and camera with audio reproducing function |
| 05/30/2002 | US20020063642 Sound processing system |
| 05/29/2002 | EP1209664A2 Method for determining compression factor for audio signal coding |
| 05/29/2002 | EP1209657A1 Memory card |
| 05/29/2002 | EP1208725A2 Multichannel audio signal processing device |
| 05/29/2002 | EP1064648B1 Wideband speech synthesis from a narrowband speech signal |
| 05/29/2002 | EP1031142A4 Perceptual subband audio coding using adaptive multitype sparse vector quantization, and signal saturation scaler |
| 05/28/2002 | US6397178 Data organizational scheme for enhanced selection of gain parameters for speech coding |
| 05/28/2002 | US6397177 Speech-encoding rate decision apparatus and method in a variable rate |
| 05/28/2002 | US6397176 Fixed codebook structure including sub-codebooks |
| 05/28/2002 | US6397175 Method and apparatus for subsampling phase spectrum information |
| 05/28/2002 | US6396421 Method and system for sampling rate conversion in digital audio applications |
| 05/28/2002 | CA2232977C Speech signal coder |
| 05/28/2002 | CA2225102C High quality speech coder and coding method |
| 05/28/2002 | CA2065451C Method of coding a sampled speech signal vector |
| 05/23/2002 | WO2002041651A2 Methods and apparatus for identifying asset location in mobile co mmunication networks |