ATE301326T1 - Verfahren und vorrichtung zur konvertierung eines audiosignals zwischen unterschiedlichen datenkompressionsformaten - Google Patents
Verfahren und vorrichtung zur konvertierung eines audiosignals zwischen unterschiedlichen datenkompressionsformatenInfo
- Publication number
- ATE301326T1 ATE301326T1 AT01905928T AT01905928T ATE301326T1 AT E301326 T1 ATE301326 T1 AT E301326T1 AT 01905928 T AT01905928 T AT 01905928T AT 01905928 T AT01905928 T AT 01905928T AT E301326 T1 ATE301326 T1 AT E301326T1
- Authority
- AT
- Austria
- Prior art keywords
- audio signal
- converting
- different data
- data compression
- compression formats
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 2
- 238000013144 data compression Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L19/032—Quantisation or dequantisation of spectral components
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0003954.5A GB0003954D0 (en) | 2000-02-18 | 2000-02-18 | Method of and apparatus for converting a signal between data compression formats |
PCT/GB2001/000690 WO2001061686A1 (en) | 2000-02-18 | 2001-02-19 | Method of and apparatus for converting an audio signal between data compression formats |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE301326T1 true ATE301326T1 (de) | 2005-08-15 |
Family
ID=9886021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT01905928T ATE301326T1 (de) | 2000-02-18 | 2001-02-19 | Verfahren und vorrichtung zur konvertierung eines audiosignals zwischen unterschiedlichen datenkompressionsformaten |
Country Status (7)
Country | Link |
---|---|
US (1) | US20030014241A1 (de) |
EP (1) | EP1259956B1 (de) |
JP (1) | JP2003523535A (de) |
AT (1) | ATE301326T1 (de) |
DE (1) | DE60112407T2 (de) |
GB (2) | GB0003954D0 (de) |
WO (1) | WO2001061686A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3487250B2 (ja) | 2000-02-28 | 2004-01-13 | 日本電気株式会社 | 符号化音声信号形式変換装置 |
EP1315148A1 (de) * | 2001-11-17 | 2003-05-28 | Deutsche Thomson-Brandt Gmbh | Bestimmung von Zusatzdaten in einem Audiodatenstrom |
US7318027B2 (en) * | 2003-02-06 | 2008-01-08 | Dolby Laboratories Licensing Corporation | Conversion of synthesized spectral components for encoding and low-complexity transcoding |
US20040174998A1 (en) * | 2003-03-05 | 2004-09-09 | Xsides Corporation | System and method for data encryption |
KR100537517B1 (ko) * | 2004-01-13 | 2005-12-19 | 삼성전자주식회사 | 오디오 데이타 변환 방법 및 장치 |
US20080260048A1 (en) * | 2004-02-16 | 2008-10-23 | Koninklijke Philips Electronics, N.V. | Transcoder and Method of Transcoding Therefore |
US20060047522A1 (en) * | 2004-08-26 | 2006-03-02 | Nokia Corporation | Method, apparatus and computer program to provide predictor adaptation for advanced audio coding (AAC) system |
FR2875351A1 (fr) * | 2004-09-16 | 2006-03-17 | France Telecom | Procede de traitement de donnees par passage entre domaines differents de sous-bandes |
WO2006126260A1 (ja) * | 2005-05-25 | 2006-11-30 | Mitsubishi Denki Kabushiki Kaisha | ストリーム配信システム |
US8599841B1 (en) | 2006-03-28 | 2013-12-03 | Nvidia Corporation | Multi-format bitstream decoding engine |
US8593469B2 (en) * | 2006-03-29 | 2013-11-26 | Nvidia Corporation | Method and circuit for efficient caching of reference video data |
US7884742B2 (en) * | 2006-06-08 | 2011-02-08 | Nvidia Corporation | System and method for efficient compression of digital data |
US8700387B2 (en) * | 2006-09-14 | 2014-04-15 | Nvidia Corporation | Method and system for efficient transcoding of audio data |
US20080215342A1 (en) * | 2007-01-17 | 2008-09-04 | Russell Tillitt | System and method for enhancing perceptual quality of low bit rate compressed audio data |
EP2099027A1 (de) * | 2008-03-05 | 2009-09-09 | Deutsche Thomson OHG | Verfahren und Vorrichtung zur Umwandlung zwischen verschiedenen Filterbankdomänen |
US20110158310A1 (en) * | 2009-12-30 | 2011-06-30 | Nvidia Corporation | Decoding data using lookup tables |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3639753A1 (de) * | 1986-11-21 | 1988-06-01 | Inst Rundfunktechnik Gmbh | Verfahren zum uebertragen digitalisierter tonsignale |
JP3123286B2 (ja) * | 1993-02-18 | 2001-01-09 | ソニー株式会社 | ディジタル信号処理装置又は方法、及び記録媒体 |
NL9301358A (nl) * | 1993-08-04 | 1995-03-01 | Nederland Ptt | Transcodeerinrichting. |
EP0661885A1 (de) * | 1993-12-28 | 1995-07-05 | Canon Kabushiki Kaisha | Bildverarbeitungsverfahren und Vorrichtung zur Umwandlung von in verschiedenen Formaten codierten Daten |
TW447193B (en) * | 1996-12-09 | 2001-07-21 | Matsushita Electric Ind Co Ltd | Signal processing device |
US5845251A (en) * | 1996-12-20 | 1998-12-01 | U S West, Inc. | Method, system and product for modifying the bandwidth of subband encoded audio data |
GB2321577B (en) * | 1997-01-27 | 2001-08-01 | British Broadcasting Corp | Audio compression |
US5995923A (en) * | 1997-06-26 | 1999-11-30 | Nortel Networks Corporation | Method and apparatus for improving the voice quality of tandemed vocoders |
WO2000079770A1 (en) * | 1999-06-23 | 2000-12-28 | Neopoint, Inc. | User customizable announcement |
-
2000
- 2000-02-18 GB GBGB0003954.5A patent/GB0003954D0/en not_active Ceased
-
2001
- 2001-02-19 GB GB0104035A patent/GB2359468B/en not_active Expired - Fee Related
- 2001-02-19 EP EP01905928A patent/EP1259956B1/de not_active Expired - Lifetime
- 2001-02-19 DE DE60112407T patent/DE60112407T2/de not_active Expired - Fee Related
- 2001-02-19 US US10/204,360 patent/US20030014241A1/en not_active Abandoned
- 2001-02-19 JP JP2001560390A patent/JP2003523535A/ja not_active Withdrawn
- 2001-02-19 WO PCT/GB2001/000690 patent/WO2001061686A1/en active IP Right Grant
- 2001-02-19 AT AT01905928T patent/ATE301326T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2003523535A (ja) | 2003-08-05 |
WO2001061686A1 (en) | 2001-08-23 |
EP1259956B1 (de) | 2005-08-03 |
GB2359468B (en) | 2004-09-15 |
EP1259956A1 (de) | 2002-11-27 |
GB0104035D0 (en) | 2001-04-04 |
DE60112407T2 (de) | 2006-05-24 |
GB2359468A (en) | 2001-08-22 |
US20030014241A1 (en) | 2003-01-16 |
GB0003954D0 (en) | 2000-04-12 |
DE60112407D1 (de) | 2005-09-08 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |