DE60325314D1 - Kodierung und Dekodierung von mehrkanaligen Tonsignalen - Google Patents
Kodierung und Dekodierung von mehrkanaligen TonsignalenInfo
- Publication number
- DE60325314D1 DE60325314D1 DE60325314T DE60325314T DE60325314D1 DE 60325314 D1 DE60325314 D1 DE 60325314D1 DE 60325314 T DE60325314 T DE 60325314T DE 60325314 T DE60325314 T DE 60325314T DE 60325314 D1 DE60325314 D1 DE 60325314D1
- Authority
- DE
- Germany
- Prior art keywords
- decoding
- coding
- channel audio
- audio signals
- audio data
- 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
- 230000005236 sound signal Effects 0.000 title 1
- 238000007781 pre-processing 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
- G10L19/008—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 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
-
- 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
- G10L19/0212—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Stereo-Broadcasting Methods (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40851702P | 2002-09-04 | 2002-09-04 | |
US10/642,550 US7502743B2 (en) | 2002-09-04 | 2003-08-15 | Multi-channel audio encoding and decoding with multi-channel transform selection |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60325314D1 true DE60325314D1 (de) | 2009-01-29 |
Family
ID=31997748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60325314T Expired - Lifetime DE60325314D1 (de) | 2002-09-04 | 2003-09-04 | Kodierung und Dekodierung von mehrkanaligen Tonsignalen |
Country Status (6)
Country | Link |
---|---|
US (7) | US7502743B2 (de) |
EP (2) | EP2028648B1 (de) |
JP (2) | JP4676139B2 (de) |
AT (1) | ATE418137T1 (de) |
DE (1) | DE60325314D1 (de) |
ES (1) | ES2316678T3 (de) |
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2003
- 2003-08-15 US US10/642,550 patent/US7502743B2/en active Active
- 2003-09-01 JP JP2003309276A patent/JP4676139B2/ja not_active Expired - Lifetime
- 2003-09-04 ES ES03020110T patent/ES2316678T3/es not_active Expired - Lifetime
- 2003-09-04 DE DE60325314T patent/DE60325314D1/de not_active Expired - Lifetime
- 2003-09-04 EP EP08016648A patent/EP2028648B1/de not_active Expired - Lifetime
- 2003-09-04 AT AT03020110T patent/ATE418137T1/de not_active IP Right Cessation
- 2003-09-04 EP EP03020110A patent/EP1403854B1/de not_active Expired - Lifetime
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2008
- 2008-05-15 US US12/121,629 patent/US7860720B2/en not_active Expired - Lifetime
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2010
- 2010-04-19 JP JP2010095929A patent/JP5097242B2/ja not_active Expired - Lifetime
- 2010-11-10 US US12/943,701 patent/US8069050B2/en not_active Expired - Lifetime
- 2010-11-11 US US12/944,604 patent/US8099292B2/en not_active Expired - Lifetime
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2011
- 2011-12-14 US US13/326,315 patent/US8255230B2/en not_active Expired - Lifetime
- 2011-12-15 US US13/327,138 patent/US8386269B2/en not_active Expired - Lifetime
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US20040049379A1 (en) | 2004-03-11 |
US20110054916A1 (en) | 2011-03-03 |
EP2028648B1 (de) | 2012-06-06 |
US20130144630A1 (en) | 2013-06-06 |
US7860720B2 (en) | 2010-12-28 |
US20080221908A1 (en) | 2008-09-11 |
US20120082316A1 (en) | 2012-04-05 |
EP2028648A3 (de) | 2009-04-29 |
US8386269B2 (en) | 2013-02-26 |
US20110060597A1 (en) | 2011-03-10 |
EP1403854A3 (de) | 2006-05-10 |
JP2004264810A (ja) | 2004-09-24 |
EP1403854A2 (de) | 2004-03-31 |
EP2028648A2 (de) | 2009-02-25 |
JP5097242B2 (ja) | 2012-12-12 |
US8069050B2 (en) | 2011-11-29 |
US7502743B2 (en) | 2009-03-10 |
US8620674B2 (en) | 2013-12-31 |
US20120087504A1 (en) | 2012-04-12 |
ES2316678T3 (es) | 2009-04-16 |
ATE418137T1 (de) | 2009-01-15 |
JP4676139B2 (ja) | 2011-04-27 |
EP1403854B1 (de) | 2008-12-17 |
US8255230B2 (en) | 2012-08-28 |
US8099292B2 (en) | 2012-01-17 |
JP2010217900A (ja) | 2010-09-30 |
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