| 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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| 01/21/2004 | EP1383107A1 Ring tone code structure and ring tone code reading apparatus for cellular phones |
| 01/21/2004 | EP1382202A1 Audio coding with partial encryption |
| 01/21/2004 | EP1382143A2 Methods for changing the size of a jitter buffer and for time alignment, communications system, receiving end, and transcoder |
| 01/21/2004 | EP1382038A2 Device and method for embedding a watermark in an audio signal |
| 01/21/2004 | EP1382035A1 Audio coding |
| 01/21/2004 | EP1381955A2 Low power digital audio decoding/playing system for computing devices |
| 01/21/2004 | EP1116348B1 Tandem audio compression |
| 01/21/2004 | CN1470052A High frequency intensifier coding for bandwidth expansion speech coder and decoder |
| 01/21/2004 | CN1470051A A low-bit-rate coding method and apparatus for unvoiced speed |
| 01/21/2004 | CN1470050A Perceptually improved enhancement of encoded ocoustic signals |
| 01/21/2004 | CN1470049A Error concealment in relation to decoding of encoded acoustic signals |
| 01/21/2004 | CN1470048A Perceptually improved encoding of acoustic signals |
| 01/21/2004 | CN1135759C Method for evaluating the hangover period in a speech decoder, a speech encoder and a transceiver |
| 01/21/2004 | CN1135721C Audio signal coding method and relative equipment thereof |
| 01/21/2004 | CN1135552C Method and device for receiving and transmitting audio data stream by digital interface |
| 01/21/2004 | CN1135530C Voice coding device and voice decoding device |
| 01/21/2004 | CN1135529C Communication network for transmitting speech signals |
| 01/21/2004 | CN1135528C Voice coding device and voice decoding device |
| 01/21/2004 | CN1135527C Speech coding method and device, input signal discrimination method, speech decoding method and device, and program providing medium |
| 01/21/2004 | CN1135486C Digital audio signal processing equipment and digital audio signal processing method |
| 01/20/2004 | US6681209 Method and an apparatus for sampling-rate conversion of audio signals |
| 01/20/2004 | US6681208 Text-to-speech native coding in a communication system |
| 01/20/2004 | US6681204 Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal |
| 01/20/2004 | US6681203 Coupled error code protection for multi-mode vocoders |
| 01/20/2004 | US6681029 Decoding steganographic messages embedded in media signals |
| 01/20/2004 | US6681028 Paper-based control of computer systems |
| 01/20/2004 | US6680753 Method and apparatus for skipping and repeating audio frames |
| 01/19/2004 | WO2004010415A1 Audio decoding device, decoding method, and program |
| 01/15/2004 | WO2004006625A1 Audio processing |
| 01/15/2004 | WO2004006226A1 Method and device for efficient in-band dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems |
| 01/15/2004 | WO2004006225A1 Sinusoidal audio coding |
| 01/15/2004 | WO2004006224A1 Method for transmitting audio signals according to the prioritizing pixel transmission method |
| 01/15/2004 | WO2002077790A3 Information processing apparatus and method, and program |
| 01/15/2004 | US20040010407 Transmission error concealment in an audio signal |
| 01/15/2004 | US20040010406 Method and apparatus for an adaptive codebook search |
| 01/15/2004 | US20040010332 System for delivering digital books |
| 01/15/2004 | US20040010329 Method for reducing buffer requirements in a digital audio decoder |
| 01/15/2004 | US20040008768 Transmission line coding method, transmission line decoding method, and apparatus therefor |
| 01/15/2004 | US20040008615 Audio decoding method and apparatus which recover high frequency component with small computation |
| 01/15/2004 | US20040008211 Display device |
| 01/14/2004 | EP1381179A1 Method and apparatus for unequal error protection |
| 01/14/2004 | EP1381030A1 Compression method and apparatus, decompression method and apparatus, compression/decompression system, peak detection method, program, and recording medium |
| 01/14/2004 | EP1381029A1 Distributed voice recognition system |
| 01/14/2004 | EP1380029A1 Time-scale modification of signals applying techniques specific to determined signal types |
| 01/14/2004 | CN1468427A Gains quantization for a clep speech coder |
| 01/14/2004 | CN1468003A Method for reducing buffer requirements in a digital audio decoder |
| 01/14/2004 | CN1467703A Audio decoding method and apparatus which recover high frequency component with small computation |
| 01/14/2004 | CN1135003C Equipment and method for filtering speech signal, receiver and telephone communication system |
| 01/14/2004 | CN1134765C A pitch post filter |
| 01/14/2004 | CN1134764C Method and device for voice encoding |
| 01/14/2004 | CN1134763C Improved synthesizer and method |
| 01/14/2004 | CN1134762C Sound coding device and sound coding method |
| 01/14/2004 | CN1134761C Speech coding method using synthesis analysis |
| 01/13/2004 | US6678662 Optical recording medium with audio data from coder using bitrate real-time lossless encoding by moving excess data amounts |
| 01/13/2004 | US6678659 System and method of voice information dissemination over a network using semantic representation |
| 01/13/2004 | US6678655 Method and system for low bit rate speech coding with speech recognition features and pitch providing reconstruction of the spectral envelope |
| 01/13/2004 | US6678654 TDVC-to-MELP transcoder |
| 01/13/2004 | US6678653 Apparatus and method for coding audio data at high speed using precision information |
| 01/13/2004 | US6678652 Audio signal processing apparatus |
| 01/13/2004 | US6678651 Short-term enhancement in CELP speech coding |
| 01/13/2004 | US6678650 Apparatus and method for converting reproducing speed |
| 01/13/2004 | US6678649 Method and apparatus for subsampling phase spectrum information |
| 01/13/2004 | US6678648 Fast loop iteration and bitstream formatting method for MPEG audio encoding |
| 01/13/2004 | US6678647 Perceptual coding of audio signals using cascaded filterbanks for performing irrelevancy reduction and redundancy reduction with different spectral/temporal resolution |
| 01/08/2004 | WO2004004351A1 A system and method for providing user control over repeating objects embedded in a stream |
| 01/08/2004 | WO2004004178A1 Wireless audio signal transmission method for a three-dimensional sound system |
| 01/08/2004 | WO2004003889A1 Auditory-articulatory analysis for speech quality assessment |
| 01/08/2004 | WO2004003499A2 Compensation for utterance dependent articulation for speech quality assessment |
| 01/08/2004 | WO2003096638A3 Packet transmission system for streamed data with paralell clock transmission line |
| 01/08/2004 | WO2003091899A3 Apparatus and method for identifying audio |
| 01/08/2004 | US20040006696 Watermark embedding and extracting method for protecting digital audio contents copyright and preventing duplication and apparatus using thereof |
| 01/08/2004 | US20040006463 Generating LSF vectors |
| 01/08/2004 | US20040005093 Media-independent document security method and apparatus |
| 01/07/2004 | EP1379002A1 Error correction encoding method, error correction decoding method, error correction encoding apparatus, and error correction decoding apparatus |
| 01/07/2004 | EP1378905A1 Recording medium, recording method and apparatus, reproduction method and apparatus, data transmission method, and data demodulation method |
| 01/07/2004 | EP1378888A1 Method of synthesizing comfort noise frames (CNF) |
| 01/07/2004 | EP1378887A1 Generation method of comfort noise frames (CNF) |
| 01/07/2004 | EP1377966A1 Audio compression |
| 01/06/2004 | US6675148 Lossless audio coder |
| 01/06/2004 | US6675146 Audio steganography |
| 01/06/2004 | US6675144 Audio coding systems and methods |
| 01/06/2004 | US6675054 Method and apparatus of supporting an audio protocol in a network environment |
| 01/06/2004 | US6674874 Data processing apparatus and method and storage medium |
| 01/06/2004 | US6674861 Digital audio watermarking using content-adaptive, multiple echo hopping |
| 01/02/2004 | EP1377123A1 Equalization for audio mixing |
| 01/02/2004 | EP1376539A1 Noise suppressor |
| 01/02/2004 | EP1376538A1 Hybrid multi-channel/cue coding/decoding of audio signals |
| 01/02/2004 | EP1374414A2 Method of inserting additional data into a compressed signal |
| 01/02/2004 | EP1374413A2 Reduced data stream for transmitting a signal |
| 01/02/2004 | EP1374230A1 Audio coding and decoding |
| 01/02/2004 | EP1374229A1 Method and device for determining the quality of a speech signal |
| 01/02/2004 | EP1374221A1 Run time synthesizer adaptation to improve intelligibility of synthesized speech |
| 01/02/2004 | EP1121686B1 Speech parameter compression |
| 01/02/2004 | EP1032933B1 Speech coding method and terminals for implementing said method |
| 01/01/2004 | US20040003041 Messaging response system |
| 01/01/2004 | US20040002859 Method and architecture of digital conding for transmitting and packing audio signals |
| 01/01/2004 | US20040002857 Compensation for utterance dependent articulation for speech quality assessment |
| 01/01/2004 | US20040002856 Multi-rate frequency domain interpolative speech CODEC system |
| 01/01/2004 | US20040002855 Method for adaptive codebook pitch-lag computation in audio transcoders |
| 01/01/2004 | US20040002854 Audio coding method and apparatus using harmonic extraction |