| 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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| 01/05/2005 | EP1493145A2 Watermark time scale searching |
| 01/05/2005 | EP1214706B9 Multimode speech encoder |
| 01/05/2005 | EP1129450B1 Low bit-rate coding of unvoiced segments of speech |
| 01/05/2005 | CN1561031A Interconnected network web information issuing method |
| 01/05/2005 | CN1560848A Information signal reproducing device |
| 01/05/2005 | CN1183734C 语音通信终端及语音通信系统 Voice communication terminals and voice communication systems |
| 01/05/2005 | CN1183685C System and method for entropy ercoding quantized transform coefficients of a sigral |
| 01/05/2005 | CN1183684C Digital data coding device and method |
| 01/05/2005 | CN1183513C Speech coding including soft adapability feature |
| 01/05/2005 | CN1183512C Speech coding with comfort noise variability feature for increased fidelity |
| 01/04/2005 | US6839675 Real-time monitoring system for codec-effect sampling during digital processing of a sound source |
| 01/04/2005 | US6839673 Digital watermarking method and apparatus for audio data |
| 01/04/2005 | CA2314427C Information delivery in a multi-stream digital broadcasting system |
| 01/04/2005 | CA2308647C Method to generate telephone comfort noise during silence in a packetized voice communication system |
| 12/30/2004 | US20040268203 Digital signal processing apparatus and digital signal processing method |
| 12/30/2004 | US20040267543 Support of a multichannel audio extension |
| 12/30/2004 | US20040267542 Unified filter bank for audio coding |
| 12/30/2004 | US20040267532 Audio encoder |
| 12/30/2004 | US20040267527 Voice-to-text reduction for real time IM/chat/SMS |
| 12/30/2004 | US20040267525 Apparatus for and method of determining transmission rate in speech transcoding |
| 12/30/2004 | US20040267523 Method of reflecting time/language distortion in objective speech quality assessment |
| 12/30/2004 | US20040267522 Method and device for characterising a signal and for producing an indexed signal |
| 12/30/2004 | US20040267389 Modulated output of digital audio signals |
| 12/30/2004 | US20040264735 Digital watermark embedding and decoding using encryption keys |
| 12/30/2004 | US20040264733 Image processing using embedded registration data to determine and compensate for geometric transformation |
| 12/29/2004 | WO2004114724A2 Predictive multi-channel decoder |
| 12/29/2004 | WO2004114134A1 Systems and methods for concealing percussive transient errors in audio data |
| 12/29/2004 | WO2004049117A3 Encoding multiple messages in audio data and detecting same |
| 12/29/2004 | EP1492085A2 Method of reflecting time/language distortion in objective speech quality assessment |
| 12/29/2004 | EP1129537B8 Processing received data in a distributed speech recognition process |
| 12/29/2004 | CN1559068A Text-to-speech native coding in a communication system |
| 12/28/2004 | US6836739 Frequency interpolating device and frequency interpolating method |
| 12/23/2004 | WO2004112399A1 Raising detectability of additional data in a media signal having few frequency components |
| 12/23/2004 | WO2004112256A1 Speech encoding device |
| 12/23/2004 | WO2004112021A2 Receiving apparatus, sending apparatus and transmission system |
| 12/23/2004 | WO2004112003A1 System and method for processing audio frames |
| 12/23/2004 | WO2004084180A3 Voicing index controls for celp speech coding |
| 12/23/2004 | WO2004034379A3 Methods and devices for source controlled variable bit-rate wideband speech coding |
| 12/23/2004 | US20040260559 Digital audio processing |
| 12/23/2004 | US20040260545 Gain quantization for a CELP speech coder |
| 12/23/2004 | US20040260544 Vocoder system and method for vocal sound synthesis |
| 12/23/2004 | US20040260542 Method and apparatus for predictively quantizing voiced speech with substraction of weighted parameters of previous frames |
| 12/23/2004 | US20040260541 Multi-channel speech processor with increased channel density |
| 12/23/2004 | US20040258217 Voice notice relay service method and apparatus |
| 12/23/2004 | US20040258164 ADPCM decoder |
| 12/23/2004 | DE19982977B4 Analog-Digital-Umsetzerschaltung Analog-to-digital converter circuit |
| 12/22/2004 | EP1489599A1 Coding device, decoding device, coding method, and decoding method |
| 12/22/2004 | EP1489399A1 Hierarchical lossless encoding/decoding method, hierarchical lossless encoding method, hierarchical lossless decoding method, its apparatus, and program |
| 12/22/2004 | EP1488414A1 Reconstruction of the spectrum of an audiosignal with incomplete spectrum based on frequency translation |
| 12/22/2004 | EP1488339A2 Data stream adaptation server |
| 12/22/2004 | CN1557089A Process, arrangement, devices for seizure of a shared telephone line |
| 12/22/2004 | CN1556969A Using multiple watermarks to protect content material |
| 12/22/2004 | CN1556521A Voice data processing method for low speed and variable speed transinission system |
| 12/22/2004 | CN1181467C Enhancing cell coding and decoding methods by adaptive noise-floor addition and noise substitution limiting and system thereof |
| 12/21/2004 | US6833848 Game console based digital photo album |
| 12/16/2004 | WO2004030260A3 Data communication through acoustic channels and compression |
| 12/16/2004 | US20040254797 Audio coding with non-uniform filter bank |
| 12/16/2004 | US20040254789 Method and apparatus for digital signal processing |
| 12/16/2004 | US20040254788 Predictive multi-channel decoder |
| 12/16/2004 | US20040254785 System and method for processing audio frames |
| 12/15/2004 | EP1486950A1 Method and device for generating data, method and device for restoring data |
| 12/15/2004 | EP1486853A2 Methods and apparatuses for generating and restoring data |
| 12/15/2004 | EP1405302B1 Method for masking interference during the transfer of digital audio signals |
| 12/15/2004 | CN1555047A Speech coding including soft adaptability feature |
| 12/15/2004 | CN1555046A Information source decoder limited by adaptive noise-floor addition and noise substitution |
| 12/15/2004 | CN1555004A Display card for increasing video play smooth degree |
| 12/14/2004 | US6832198 Split and joint compressed audio with minimum mismatching and distortion |
| 12/14/2004 | US6832188 System and method of enhancing and coding speech |
| 12/09/2004 | WO2004107696A1 Method and apparatus to enhance audio quality for digitized voice transmitted over a channel employing frequency diversity |
| 12/09/2004 | WO2004107318A1 Audio coding |
| 12/09/2004 | WO2004107317A1 Apparatus and method for embedding a watermark using sub-band filtering |
| 12/09/2004 | WO2004107316A2 Bit-stream watermarking |
| 12/09/2004 | WO2004084181A3 Simple noise suppression model |
| 12/09/2004 | WO2004072949A3 Pitch quantization for distributed speech recognition |
| 12/09/2004 | WO2004070540A3 System and method for enhancing bit error tolerance over a bandwith limited channel |
| 12/09/2004 | US20040250287 Method and apparatus for generating data, and method and apparatus for restoring data |
| 12/09/2004 | US20040250195 Audio decoder and audio decoding method |
| 12/09/2004 | US20040249489 Method and apparatus elapsed playback timekeeping of variable bit-rate digitally encoded audio data files |
| 12/09/2004 | US20040247121 Digital hidden data transport (DHDT) |
| 12/09/2004 | US20040247037 Signal encoding device, method, signal decoding device, and method |
| 12/09/2004 | US20040247035 Method and apparatus for decoding a coded digital audio signal which is arranged in frames containing headers |
| 12/09/2004 | US20040246994 Efficient and flexible oversampled filterbank with near perfect reconstruction constraint |
| 12/09/2004 | US20040246862 Method and apparatus for signal discrimination |
| 12/09/2004 | DE10321983A1 Vorrichtung und Verfahren zum Einbetten einer binären Nutzinformation in ein Trägersignal Apparatus and method for embedding a binary payload in a carrier signal |
| 12/08/2004 | EP1484841A1 Digital signal encoding method, decoding method, encoding device, decoding device, digital signal encoding program, and decoding program |
| 12/08/2004 | EP1484747A1 Audio level control for compressed audio signals |
| 12/08/2004 | EP1484746A1 Audio decoder and audio decoding method |
| 12/08/2004 | EP1483908A1 Audio frequency scaling during video trick modes utilizing digital signal processing |
| 12/08/2004 | EP1483831A1 Automatic audio recorder-player and operating method therefor |
| 12/08/2004 | EP1483759A1 Efficient improvements in scalable audio coding |
| 12/08/2004 | EP1483758A1 Method for adaptive codebook pitch-lag computation in audio transcoders |
| 12/08/2004 | EP1381955A4 Low power digital audio decoding/playing system for computing devices |
| 12/08/2004 | EP1086451B1 Method for performing frame erasure concealment |
| 12/08/2004 | CN1554094A Extension of M3U file format to support user interface and navigation tasks in a digital audio player |
| 12/08/2004 | CN1179325C Audio coding |
| 12/08/2004 | CN1179324C Method and apparatus for improving voice quality of tandemed vocoders |
| 12/08/2004 | CN1179322C Method for acquisition of basic speech period and encording |
| 12/07/2004 | US6829747 Editing apparatus and editing method |
| 12/07/2004 | US6829579 Transcoding method and system between CELP-based speech codes |
| 12/07/2004 | US6829576 Nonlinear operation method suitable for audio encoding/decoding and hardware applying the same |