DE60326799D1 - Innovationen in reiner verlustfreier Audiokomprimierung - Google Patents
Innovationen in reiner verlustfreier AudiokomprimierungInfo
- Publication number
- DE60326799D1 DE60326799D1 DE60326799T DE60326799T DE60326799D1 DE 60326799 D1 DE60326799 D1 DE 60326799D1 DE 60326799 T DE60326799 T DE 60326799T DE 60326799 T DE60326799 T DE 60326799T DE 60326799 D1 DE60326799 D1 DE 60326799D1
- Authority
- DE
- Germany
- Prior art keywords
- innovations
- audio compression
- lossless audio
- pure lossless
- pure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals 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
- G10L19/02—Speech or audio signals 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 using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0212—Speech or audio signals 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 using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals 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
- G10L19/02—Speech or audio signals 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 using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals 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
- G10L19/04—Speech or audio signals 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 using predictive techniques
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals 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
- G10L19/04—Speech or audio signals 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 using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
- G10L2015/025—Phonemes, fenemes or fenones being the recognition units
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40843202P | 2002-09-04 | 2002-09-04 | |
| US10/620,266 US7328150B2 (en) | 2002-09-04 | 2003-07-14 | Innovations in pure lossless audio compression |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE60326799D1 true DE60326799D1 (de) | 2009-05-07 |
Family
ID=31720748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60326799T Expired - Lifetime DE60326799D1 (de) | 2002-09-04 | 2003-09-03 | Innovationen in reiner verlustfreier Audiokomprimierung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7328150B2 (de) |
| EP (1) | EP1396842B1 (de) |
| JP (1) | JP4521170B2 (de) |
| DE (1) | DE60326799D1 (de) |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7016547B1 (en) | 2002-06-28 | 2006-03-21 | Microsoft Corporation | Adaptive entropy encoding/decoding for screen capture content |
| US7433824B2 (en) * | 2002-09-04 | 2008-10-07 | Microsoft Corporation | Entropy coding by adapting coding between level and run-length/level modes |
| DE60330198D1 (de) | 2002-09-04 | 2009-12-31 | Microsoft Corp | Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus |
| US7536305B2 (en) * | 2002-09-04 | 2009-05-19 | Microsoft Corporation | Mixed lossless audio compression |
| US7724827B2 (en) * | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
| US7630282B2 (en) * | 2003-09-30 | 2009-12-08 | Victor Company Of Japan, Ltd. | Disk for audio data, reproduction apparatus, and method of recording/reproducing audio data |
| US20050185541A1 (en) * | 2004-02-23 | 2005-08-25 | Darren Neuman | Method and system for memory usage in real-time audio systems |
| KR100561869B1 (ko) * | 2004-03-10 | 2006-03-17 | 삼성전자주식회사 | 무손실 오디오 부호화/복호화 방법 및 장치 |
| US20080039957A1 (en) * | 2004-06-22 | 2008-02-14 | Rabit Joint Venture Limited | Signal Processing Methods And Apparatus |
| US7930184B2 (en) * | 2004-08-04 | 2011-04-19 | Dts, Inc. | Multi-channel audio coding/decoding of random access points and transients |
| US7895034B2 (en) | 2004-09-17 | 2011-02-22 | Digital Rise Technology Co., Ltd. | Audio encoding system |
| US7937271B2 (en) | 2004-09-17 | 2011-05-03 | Digital Rise Technology Co., Ltd. | Audio decoding using variable-length codebook application ranges |
| US8744862B2 (en) * | 2006-08-18 | 2014-06-03 | Digital Rise Technology Co., Ltd. | Window selection based on transient detection and location to provide variable time resolution in processing frame-based data |
| US8171169B2 (en) * | 2005-03-14 | 2012-05-01 | Citrix Systems, Inc. | Method and apparatus for updating a graphical display in a distributed processing environment |
| US7363225B2 (en) * | 2005-06-23 | 2008-04-22 | Microsoft Corporation | Compressing language models with Golomb coding |
| US7684981B2 (en) * | 2005-07-15 | 2010-03-23 | Microsoft Corporation | Prediction of spectral coefficients in waveform coding and decoding |
| US7599840B2 (en) * | 2005-07-15 | 2009-10-06 | Microsoft Corporation | Selectively using multiple entropy models in adaptive coding and decoding |
| US7693709B2 (en) * | 2005-07-15 | 2010-04-06 | Microsoft Corporation | Reordering coefficients for waveform coding or decoding |
| US8325188B1 (en) * | 2005-07-21 | 2012-12-04 | Cadence Design Systems, Inc. | Method and system for implementing a waveform viewer |
| US8599925B2 (en) * | 2005-08-12 | 2013-12-03 | Microsoft Corporation | Efficient coding and decoding of transform blocks |
| US7565018B2 (en) * | 2005-08-12 | 2009-07-21 | Microsoft Corporation | Adaptive coding and decoding of wide-range coefficients |
| US7933337B2 (en) | 2005-08-12 | 2011-04-26 | Microsoft Corporation | Prediction of transform coefficients for image compression |
| TWI276047B (en) * | 2005-12-15 | 2007-03-11 | Ind Tech Res Inst | An apparatus and method for lossless entropy coding of audio signal |
| EP1852849A1 (de) * | 2006-05-05 | 2007-11-07 | Deutsche Thomson-Brandt Gmbh | Verfahren und Vorrichtung für verlustfreie Kodierung eines Quellensignals unter Verwendung eines verlustbehafteten kodierten Datenstroms und eines verlustfreien Erweiterungsdatenstroms |
| EP2123047A2 (de) * | 2007-01-04 | 2009-11-25 | BRITISH TELECOMMUNICATIONS public limited company | Videosignalkodierung |
| US8184710B2 (en) * | 2007-02-21 | 2012-05-22 | Microsoft Corporation | Adaptive truncation of transform coefficient data in a transform-based digital media codec |
| US7991622B2 (en) * | 2007-03-20 | 2011-08-02 | Microsoft Corporation | Audio compression and decompression using integer-reversible modulated lapped transforms |
| US8086465B2 (en) * | 2007-03-20 | 2011-12-27 | Microsoft Corporation | Transform domain transcoding and decoding of audio data using integer-reversible modulated lapped transforms |
| US7774205B2 (en) | 2007-06-15 | 2010-08-10 | Microsoft Corporation | Coding of sparse digital media spectral data |
| KR101403340B1 (ko) * | 2007-08-02 | 2014-06-09 | 삼성전자주식회사 | 변환 부호화 방법 및 장치 |
| CA2697920C (en) | 2007-08-27 | 2018-01-02 | Telefonaktiebolaget L M Ericsson (Publ) | Transient detector and method for supporting encoding of an audio signal |
| US8300849B2 (en) * | 2007-11-06 | 2012-10-30 | Microsoft Corporation | Perceptually weighted digital audio level compression |
| US7821957B2 (en) * | 2007-12-03 | 2010-10-26 | Avaya, Inc. | Acknowledgment of media waveforms between telecommunications endpoints |
| EP2101503A1 (de) * | 2008-03-11 | 2009-09-16 | British Telecommunications Public Limited Company | Videokodierung |
| US8386271B2 (en) | 2008-03-25 | 2013-02-26 | Microsoft Corporation | Lossless and near lossless scalable audio codec |
| US8179974B2 (en) | 2008-05-02 | 2012-05-15 | Microsoft Corporation | Multi-level representation of reordered transform coefficients |
| US8630848B2 (en) | 2008-05-30 | 2014-01-14 | Digital Rise Technology Co., Ltd. | Audio signal transient detection |
| MX2011000375A (es) * | 2008-07-11 | 2011-05-19 | Fraunhofer Ges Forschung | Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada. |
| MX2011000369A (es) * | 2008-07-11 | 2011-07-29 | Ten Forschung Ev Fraunhofer | Codificador y decodificador de audio para codificar marcos de señales de audio muestreadas. |
| US8406307B2 (en) | 2008-08-22 | 2013-03-26 | Microsoft Corporation | Entropy coding/decoding of hierarchically organized data |
| EP2200319A1 (de) | 2008-12-10 | 2010-06-23 | BRITISH TELECOMMUNICATIONS public limited company | Multiplex-Videostreaming |
| EP2219342A1 (de) | 2009-02-12 | 2010-08-18 | BRITISH TELECOMMUNICATIONS public limited company | Video-Streaming |
| CN101615911B (zh) * | 2009-05-12 | 2010-12-08 | 华为技术有限公司 | 一种编解码方法和装置 |
| BR112012009445B1 (pt) | 2009-10-20 | 2023-02-14 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificador de áudio, decodificador de áudio, método para codificar uma informação de áudio, método para decodificar uma informação de áudio que utiliza uma detecção de um grupo de valores espectrais previamente decodificados |
| CN102792370B (zh) | 2010-01-12 | 2014-08-06 | 弗劳恩霍弗实用研究促进协会 | 使用描述有效状态值及区间边界的散列表的音频编码器、音频解码器、编码音频信息的方法及解码音频信息的方法 |
| CN102222505B (zh) * | 2010-04-13 | 2012-12-19 | 中兴通讯股份有限公司 | 可分层音频编解码方法系统及瞬态信号可分层编解码方法 |
| US8880412B2 (en) * | 2011-12-13 | 2014-11-04 | Futurewei Technologies, Inc. | Method to select active channels in audio mixing for multi-party teleconferencing |
| KR102204136B1 (ko) * | 2012-08-22 | 2021-01-18 | 한국전자통신연구원 | 오디오 부호화 장치 및 방법, 오디오 복호화 장치 및 방법 |
| US9396732B2 (en) * | 2012-10-18 | 2016-07-19 | Google Inc. | Hierarchical deccorelation of multichannel audio |
| CN111341303B (zh) * | 2018-12-19 | 2023-10-31 | 北京猎户星空科技有限公司 | 一种声学模型的训练方法及装置、语音识别方法及装置 |
| CN114978189A (zh) * | 2021-02-27 | 2022-08-30 | 华为技术有限公司 | 一种数据编码方法以及相关设备 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2045947T3 (es) | 1989-10-06 | 1994-01-16 | Telefunken Fernseh & Rundfunk | Procedimiento para la transmision de una se\al. |
| US6757437B1 (en) | 1994-09-21 | 2004-06-29 | Ricoh Co., Ltd. | Compression/decompression using reversible embedded wavelets |
| US6549666B1 (en) | 1994-09-21 | 2003-04-15 | Ricoh Company, Ltd | Reversible embedded wavelet system implementation |
| US5881176A (en) | 1994-09-21 | 1999-03-09 | Ricoh Corporation | Compression and decompression with wavelet style and binary style including quantization by device-dependent parser |
| US6141446A (en) | 1994-09-21 | 2000-10-31 | Ricoh Company, Ltd. | Compression and decompression system with reversible wavelets and lossy reconstruction |
| US5884269A (en) * | 1995-04-17 | 1999-03-16 | Merging Technologies | Lossless compression/decompression of digital audio data |
| DE19526366A1 (de) * | 1995-07-20 | 1997-01-23 | Bosch Gmbh Robert | Verfahren zur Redundanzreduktion bei der Codierung von mehrkanaligen Signalen und Vorrichtung zur Dekodierung von redundanzreduzierten, mehrkanaligen Signalen |
| US5999656A (en) | 1997-01-17 | 1999-12-07 | Ricoh Co., Ltd. | Overlapped reversible transforms for unified lossless/lossy compression |
| US6493338B1 (en) * | 1997-05-19 | 2002-12-10 | Airbiquity Inc. | Multichannel in-band signaling for data communications over digital wireless telecommunications networks |
| US6121904A (en) | 1998-03-12 | 2000-09-19 | Liquid Audio, Inc. | Lossless data compression with low complexity |
| US6029126A (en) | 1998-06-30 | 2000-02-22 | Microsoft Corporation | Scalable audio coder and decoder |
| JP3808241B2 (ja) * | 1998-07-17 | 2006-08-09 | 富士写真フイルム株式会社 | データ圧縮方法および装置並びに記録媒体 |
| US6370502B1 (en) | 1999-05-27 | 2002-04-09 | America Online, Inc. | Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec |
| US6978236B1 (en) * | 1999-10-01 | 2005-12-20 | Coding Technologies Ab | Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| US7110953B1 (en) * | 2000-06-02 | 2006-09-19 | Agere Systems Inc. | Perceptual coding of audio signals using separated irrelevancy reduction and redundancy reduction |
| US6675148B2 (en) * | 2001-01-05 | 2004-01-06 | Digital Voice Systems, Inc. | Lossless audio coder |
| US20030012431A1 (en) | 2001-07-13 | 2003-01-16 | Irvine Ann C. | Hybrid lossy and lossless compression method and apparatus |
-
2003
- 2003-07-14 US US10/620,266 patent/US7328150B2/en active Active
- 2003-09-02 JP JP2003310669A patent/JP4521170B2/ja not_active Expired - Lifetime
- 2003-09-03 EP EP03020013A patent/EP1396842B1/de not_active Expired - Lifetime
- 2003-09-03 DE DE60326799T patent/DE60326799D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004264814A (ja) | 2004-09-24 |
| US7328150B2 (en) | 2008-02-05 |
| US20040044534A1 (en) | 2004-03-04 |
| EP1396842B1 (de) | 2009-03-25 |
| JP4521170B2 (ja) | 2010-08-11 |
| EP1396842A1 (de) | 2004-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |