BRPI0509113B8 - codificador de multicanal, método para codificar sinais de entrada, conteúdo de dados codificados, portador de dados, e, decodificador operável para decodificar dados de saída codificados - Google Patents
codificador de multicanal, método para codificar sinais de entrada, conteúdo de dados codificados, portador de dados, e, decodificador operável para decodificar dados de saída codificadosInfo
- Publication number
- BRPI0509113B8 BRPI0509113B8 BRPI0509113A BRPI0509113A BRPI0509113B8 BR PI0509113 B8 BRPI0509113 B8 BR PI0509113B8 BR PI0509113 A BRPI0509113 A BR PI0509113A BR PI0509113 A BRPI0509113 A BR PI0509113A BR PI0509113 B8 BRPI0509113 B8 BR PI0509113B8
- Authority
- BR
- Brazil
- Prior art keywords
- data
- input signals
- channels
- encoder
- encoded
- Prior art date
Links
- 230000000295 complement effect Effects 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
Classifications
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Time-Division Multiplex Systems (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Error Detection And Correction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
codificador de multicanal, método para codificar sinais de entrada, coneúdo de dados codificados, portador de dados, e, decodificador operável para decodificar dados de saída codificados é descrito um codificador de multicanal (10; 600) para processar sinais de entrada levados em n canais de entrada para gerar sinais de saída correspondentes levados em m canais de saída junto com dados paramétricos complementares; m e n são inteiros em que n > m. o codificador (10; 600) inclui um misturador descendente para misturar descendentemente os sinais de entrada para gerar os sinais de saída correspondentes, o codificador também incluindo um analisador para processar os sinais de entrada para gerar os dados de parâmetro, ditos dados paramétricos descrevendo diferenças mútuas entre os n canais de sinal de entrada para permitir regeneração durante decodificar um ou mais dos n canais de sinais de entrada dos m canais de sinais de saída. tal codificador (10; 600) é capaz de prover codificação de dados altamente eficiente e também de ser de compatibilidade reversa com decodificadores relativamente mais simples tendo menos que n canais de saída de decodificação. a invenção também relaciona-se a decodificadores (800) compatíveis com um tal codificador de multicanal (10; 600).
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04101405 | 2004-04-05 | ||
EP04101405.1 | 2004-04-05 | ||
EP04102863 | 2004-06-22 | ||
EP04102863.0 | 2004-06-22 | ||
PCT/IB2005/051037 WO2005098821A2 (en) | 2004-04-05 | 2005-03-25 | Multi-channel encoder |
Publications (3)
Publication Number | Publication Date |
---|---|
BRPI0509113A BRPI0509113A (pt) | 2007-08-28 |
BRPI0509113B1 BRPI0509113B1 (pt) | 2018-08-14 |
BRPI0509113B8 true BRPI0509113B8 (pt) | 2018-10-30 |
Family
ID=34962299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0509113A BRPI0509113B8 (pt) | 2004-04-05 | 2005-03-25 | codificador de multicanal, método para codificar sinais de entrada, conteúdo de dados codificados, portador de dados, e, decodificador operável para decodificar dados de saída codificados |
Country Status (14)
Country | Link |
---|---|
US (1) | US7602922B2 (pt) |
EP (1) | EP1735774B1 (pt) |
JP (2) | JP5032977B2 (pt) |
KR (1) | KR101158698B1 (pt) |
CN (1) | CN102122509B (pt) |
AT (1) | ATE395686T1 (pt) |
BR (1) | BRPI0509113B8 (pt) |
DE (1) | DE602005006777D1 (pt) |
ES (1) | ES2307160T3 (pt) |
MX (1) | MXPA06011361A (pt) |
PL (1) | PL1735774T3 (pt) |
RU (1) | RU2390857C2 (pt) |
TW (1) | TWI393119B (pt) |
WO (1) | WO2005098821A2 (pt) |
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2005
- 2005-03-25 RU RU2006139048/09A patent/RU2390857C2/ru active
- 2005-03-25 US US10/599,559 patent/US7602922B2/en active Active
- 2005-03-25 EP EP05718568A patent/EP1735774B1/en active Active
- 2005-03-25 PL PL05718568T patent/PL1735774T3/pl unknown
- 2005-03-25 DE DE602005006777T patent/DE602005006777D1/de active Active
- 2005-03-25 MX MXPA06011361A patent/MXPA06011361A/es active IP Right Grant
- 2005-03-25 JP JP2007506877A patent/JP5032977B2/ja active Active
- 2005-03-25 KR KR1020067020276A patent/KR101158698B1/ko active IP Right Grant
- 2005-03-25 ES ES05718568T patent/ES2307160T3/es active Active
- 2005-03-25 CN CN201110035024.7A patent/CN102122509B/zh active Active
- 2005-03-25 AT AT05718568T patent/ATE395686T1/de not_active IP Right Cessation
- 2005-03-25 BR BRPI0509113A patent/BRPI0509113B8/pt active IP Right Grant
- 2005-03-25 WO PCT/IB2005/051037 patent/WO2005098821A2/en active IP Right Grant
- 2005-04-01 TW TW094110564A patent/TWI393119B/zh active
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2012
- 2012-04-17 JP JP2012093538A patent/JP5311597B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
CN102122509B (zh) | 2016-03-23 |
RU2390857C2 (ru) | 2010-05-27 |
DE602005006777D1 (de) | 2008-06-26 |
BRPI0509113A (pt) | 2007-08-28 |
US7602922B2 (en) | 2009-10-13 |
MXPA06011361A (es) | 2007-01-16 |
CN102122509A (zh) | 2011-07-13 |
KR101158698B1 (ko) | 2012-06-22 |
ES2307160T3 (es) | 2008-11-16 |
BRPI0509113B1 (pt) | 2018-08-14 |
KR20070001208A (ko) | 2007-01-03 |
WO2005098821A2 (en) | 2005-10-20 |
TWI393119B (zh) | 2013-04-11 |
PL1735774T3 (pl) | 2008-11-28 |
JP2012191625A (ja) | 2012-10-04 |
JP5032977B2 (ja) | 2012-09-26 |
EP1735774B1 (en) | 2008-05-14 |
JP2007531913A (ja) | 2007-11-08 |
US20070194952A1 (en) | 2007-08-23 |
RU2006139048A (ru) | 2008-05-20 |
ATE395686T1 (de) | 2008-05-15 |
JP5311597B2 (ja) | 2013-10-09 |
WO2005098821A3 (en) | 2006-03-16 |
EP1735774A2 (en) | 2006-12-27 |
TW200614150A (en) | 2006-05-01 |
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