| 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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| 10/24/2001 | CN1319292A Audio coder utilising repeated transmission of packet portion |
| 10/24/2001 | CN1319229A Portable information terminal, method of processing audio data, recording medium, and program |
| 10/24/2001 | CN1319228A Copy protection method for digital data stored on medium |
| 10/24/2001 | CN1318947A Method and device for changing output delay of voice data code or video data code |
| 10/24/2001 | CN1318904A Practical sound coder based on wavelet conversion |
| 10/23/2001 | US6308154 Method of natural language communication using a mark-up language |
| 10/23/2001 | US6308150 Dynamic bit allocation apparatus and method for audio coding |
| 10/23/2001 | US6307949 Methods for optimizing watermark detection |
| 10/23/2001 | CA2213020C Wide-band speech spectral quantizer |
| 10/18/2001 | WO2001078271A2 System and method for adding an inaudible code to an audio signal and method and apparatus for reading a code signal from an audio signal |
| 10/18/2001 | WO2001078071A2 Hand-held optical disc player/recorder |
| 10/18/2001 | WO2001077888A2 Data stream adaptation server |
| 10/18/2001 | WO2000046795A9 Speech synthesizer based on variable rate speech coding |
| 10/18/2001 | US20010032087 Audio coding |
| 10/18/2001 | US20010032086 Fast convergence method for bit allocation stage of mpeg audio layer 3 encoders |
| 10/18/2001 | US20010032082 Communication apparatus, communication system and method for integrating speech and data |
| 10/18/2001 | US20010032072 Apparatus and method for converting reproducing speed |
| 10/18/2001 | US20010031065 Processing scanned security documents notwithstanding corruptions such as rotation |
| 10/18/2001 | US20010031055 Multichannel audio signal processing device |
| 10/18/2001 | CA2405179A1 Multi-band spectral audio encoding |
| 10/17/2001 | EP1146775A2 Digital wireless premises audio system and method of operation thereof |
| 10/17/2001 | EP1146679A2 Variable bit rate digital circuit multiplication equipment with tandem passthrough function |
| 10/17/2001 | EP1146504A1 Vocoder using phonetic decoding and speech characteristics |
| 10/17/2001 | EP1145228A1 Periodic speech coding |
| 10/17/2001 | EP1145227A1 Method and device for error concealment in an encoded audio-signal and method and device for decoding an encoded audio signal |
| 10/17/2001 | EP1145223A2 System and method for effectively implementing fixed masking thresholds in an audio encoder device |
| 10/17/2001 | EP1145222A2 Speech coding with comfort noise variability feature for increased fidelity |
| 10/17/2001 | EP1145221A2 A method and apparatus for determining speech coding parameters |
| 10/17/2001 | CN1318196A Semiconductor memory card, playback appts. recording appts. playback method, recording method, and computer-readable recording medium |
| 10/17/2001 | CN1318190A Linear predictive analysis-by-synthesis encoding method and encoder |
| 10/17/2001 | CN1318189A Celp linear predictive encoding/decoding method and appts. |
| 10/17/2001 | CN1318188A Audio signal transmission system |
| 10/17/2001 | CN1318187A Speech coding with background noise reproduction |
| 10/17/2001 | CN1317909A Network of forming one joint point in one data stream, its transmitting terminal and method thereof |
| 10/16/2001 | US6304890 Exponential calculation device and decoding device |
| 10/16/2001 | US6304847 Method of implementing an inverse modified discrete cosine transform (IMDCT) in a dial-mode audio decoder |
| 10/16/2001 | US6304845 Method of transmitting voice data |
| 10/16/2001 | US6304843 Method and apparatus for reconstructing a linear prediction filter excitation signal |
| 10/13/2001 | CA2343701A1 A method of natural language communication using a mark-up language |
| 10/11/2001 | WO2001076318A1 Multichannel voice recorder |
| 10/11/2001 | WO2001076230A1 Video signal analysis and storage |
| 10/11/2001 | WO2001075863A1 A method of transmitting voice information and an electronic communications device for transmission of voice information |
| 10/11/2001 | WO2000046796A9 Method and apparatus for eighth-rate random number generation for speech coders |
| 10/11/2001 | US20010029456 Play back apparatus |
| 10/11/2001 | US20010029451 Speech decoding unit and speech decoding method |
| 10/11/2001 | US20010029450 Variable bit rate digital circuit multiplication equipment with tandem passthrough function |
| 10/11/2001 | US20010029448 Excitation vector generator, speech coder and speech decoder |
| 10/11/2001 | US20010029192 Cellular phone having an audio player |
| 10/11/2001 | US20010028634 Packet loss compensation method using injection of spectrally shaped noise |
| 10/11/2001 | US20010028317 Encoding apparatus and method, recording medium, and decoding apparatus and method |
| 10/10/2001 | EP1143647A2 Apparatus for recording a radio broadcast signal in real time and for reproducing the broadcast signal when a user desires to listen to it |
| 10/10/2001 | EP1143229A1 Sound decoding device and sound decoding method |
| 10/10/2001 | EP1142365A1 Concurrent ip based voice and data services via wireless networks |
| 10/10/2001 | EP1142346A1 Encoding auxiliary information with frame-based encoded audio information |
| 10/10/2001 | EP1142274A1 Communication device for integrating voice mail services and tv functions |
| 10/10/2001 | EP1142130A1 Entropy code mode switching for frequency-domain audio coding |
| 10/10/2001 | EP1142129A1 Variable to variable length entropy encoding |
| 10/10/2001 | EP1141947A2 Variable rate speech coding |
| 10/10/2001 | EP1141946A1 Coded enhancement feature for improved performance in coding communication signals |
| 10/10/2001 | EP1141945A1 Adaptive windows for analysis-by-synthesis celp-type speech coding |
| 10/10/2001 | EP1141944A2 Method and arrangement for finding an optimal reconstruction point |
| 10/10/2001 | EP1106022A4 Method and apparatus for control of vocoder bypass utilizing inband signaling |
| 10/10/2001 | EP1088205A4 Improved lost frame recovery techniques for parametric, lpc-based speech coding systems |
| 10/10/2001 | EP0832482B1 Speech coder |
| 10/10/2001 | EP0820626B1 Waveform speech synthesis |
| 10/10/2001 | EP0811295B1 A method and device for encoding, transferring and decoding a non-pcm bitstream between a digital versatile disc device and a multi-channel reproduction apparatus |
| 10/10/2001 | CN2453512Y Speech playing device with compacted codes |
| 10/10/2001 | CN1317214A Method, communication system, mobile station and network element for transmitting background noise information in data transmission in data frames |
| 10/10/2001 | CN1316877A Portable voice device |
| 10/10/2001 | CN1072867C Method and system for arrangement of vocoder data for masking of transmission channel induced errors |
| 10/09/2001 | US6301558 Audio signal coding with hierarchical unequal error protection of subbands |
| 10/09/2001 | US6301556 Reducing sparseness in coded speech signals |
| 10/09/2001 | US6301242 Communication system with fast control traffic |
| 10/09/2001 | US6300888 Entrophy code mode switching for frequency-domain audio coding |
| 10/04/2001 | WO2001073759A1 Perceptual spectral weighting of frequency bands for adaptive noise cancellation |
| 10/04/2001 | WO2001073752A1 Storage medium, distributing method, and speech output device |
| 10/04/2001 | WO2001011588A3 A method and system for illustrating sound and text |
| 10/04/2001 | US20010027544 Error concealment method of detecting corrupted signal parameters |
| 10/04/2001 | US20010027399 Method and apparatus for reproducing audio information |
| 10/04/2001 | US20010027393 Method of and apparatus for processing at least one coded binary audio flux organized into frames |
| 10/04/2001 | US20010027392 System and method for processing data from and for multiple channels |
| 10/04/2001 | US20010027391 Excitation vector generator, speech coder and speech decoder |
| 10/04/2001 | US20010027390 Speech decoder and a method for decoding speech |
| 10/04/2001 | US20010026327 Method and apparatus for changing the output delay of audio or video data encoding |
| 10/04/2001 | EP1139665A1 Method and apparatus for changing the output delay of audio or video data encoding |
| 10/04/2001 | EP1139337A1 A method of transmitting voice information and an electronic communications device for transmission of voice information |
| 10/04/2001 | EP1139336A2 Determination of quantizaion coefficients for a subband audio encoder |
| 10/04/2001 | EP1138039A1 Silence description coding for multi-rate speech codecs |
| 10/04/2001 | EP1138037A1 Fixed-point multiplication for adpcm speech coder |
| 10/04/2001 | EP1137915A2 System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources |
| 10/04/2001 | CA2401672A1 Perceptual spectral weighting of frequency bands for adaptive noise cancellation |
| 10/03/2001 | CN1315728A Real-time record player for radio broadcasting |
| 10/03/2001 | CN1315727A Storage recording medium of scrambling audio data and apparatus and method for recording and reproducing thereof |
| 10/02/2001 | US6298361 Signal encoding and decoding system |
| 10/02/2001 | US6298322 Encoding and synthesis of tonal audio signals using dominant sinusoids and a vector-quantized residual tonal signal |
| 10/02/2001 | US6297754 Decoding device |
| 10/02/2001 | CA2234078C Method of and apparatus for coding audio signals |
| 10/02/2001 | CA2192143C Speech coding device |
| 09/27/2001 | WO2001071709A1 Rew parametric vector quantization and dual-predictive sew vector quantization for waveform interpolative coding |
| 09/27/2001 | WO2001071480A2 System and method for voice access to internet-based information |