BRPI0811384A2 - "codificador de áudio para codificar um sinal de áudio tendo uma porção tipo impulso e porção fixa, métodos de codificação, decodificador, método de decodificação, e sinal de áudio codificado" - Google Patents
"codificador de áudio para codificar um sinal de áudio tendo uma porção tipo impulso e porção fixa, métodos de codificação, decodificador, método de decodificação, e sinal de áudio codificado"Info
- Publication number
- BRPI0811384A2 BRPI0811384A2 BRPI0811384A BRPI0811384A BRPI0811384A2 BR PI0811384 A2 BRPI0811384 A2 BR PI0811384A2 BR PI0811384 A BRPI0811384 A BR PI0811384A BR PI0811384 A BRPI0811384 A BR PI0811384A BR PI0811384 A2 BRPI0811384 A2 BR PI0811384A2
- Authority
- BR
- Brazil
- Prior art keywords
- audio signal
- encoding
- decoder
- fixed portion
- decoding method
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 2
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
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- 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
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US94325307P | 2007-06-11 | 2007-06-11 | |
| US94350507P | 2007-06-12 | 2007-06-12 | |
| PCT/EP2008/004496 WO2008151755A1 (en) | 2007-06-11 | 2008-06-05 | Audio encoder for encoding an audio signal having an impulse- like portion and stationary portion, encoding methods, decoder, decoding method; and encoded audio signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0811384A2 true BRPI0811384A2 (pt) | 2017-08-01 |
Family
ID=39709533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0811384A BRPI0811384A2 (pt) | 2007-06-11 | 2008-06-05 | "codificador de áudio para codificar um sinal de áudio tendo uma porção tipo impulso e porção fixa, métodos de codificação, decodificador, método de decodificação, e sinal de áudio codificado" |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US8706480B2 (pt) |
| EP (1) | EP2165328B1 (pt) |
| JP (1) | JP5686369B2 (pt) |
| KR (1) | KR101196506B1 (pt) |
| CN (1) | CN101743586B (pt) |
| AR (1) | AR066959A1 (pt) |
| AU (1) | AU2008261287B2 (pt) |
| BR (1) | BRPI0811384A2 (pt) |
| CA (1) | CA2691993C (pt) |
| ES (1) | ES2663269T3 (pt) |
| MX (1) | MX2009013519A (pt) |
| MY (1) | MY146431A (pt) |
| PL (1) | PL2165328T3 (pt) |
| PT (1) | PT2165328T (pt) |
| RU (1) | RU2439721C2 (pt) |
| TW (1) | TWI371744B (pt) |
| WO (1) | WO2008151755A1 (pt) |
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| CN1703736A (zh) * | 2002-10-11 | 2005-11-30 | 诺基亚有限公司 | 用于源控制可变比特率宽带语音编码的方法和装置 |
| WO2004082288A1 (en) * | 2003-03-11 | 2004-09-23 | Nokia Corporation | Switching between coding schemes |
| US7299174B2 (en) * | 2003-04-30 | 2007-11-20 | Matsushita Electric Industrial Co., Ltd. | Speech coding apparatus including enhancement layer performing long term prediction |
| GB2403634B (en) * | 2003-06-30 | 2006-11-29 | Nokia Corp | An audio encoder |
| US7739120B2 (en) * | 2004-05-17 | 2010-06-15 | Nokia Corporation | Selection of coding models for encoding an audio signal |
| WO2006030340A2 (en) * | 2004-09-17 | 2006-03-23 | Koninklijke Philips Electronics N.V. | Combined audio coding minimizing perceptual distortion |
| DE602006018129D1 (de) * | 2005-05-11 | 2010-12-23 | Panasonic Corp | Codierer, decodierer und verfahren dafür |
| ES2592416T3 (es) * | 2008-07-17 | 2016-11-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Esquema de codificación/decodificación de audio que tiene una derivación conmutable |
-
2008
- 2008-06-05 EP EP08759046.9A patent/EP2165328B1/en active Active
- 2008-06-05 JP JP2010511528A patent/JP5686369B2/ja active Active
- 2008-06-05 BR BRPI0811384A patent/BRPI0811384A2/pt not_active Application Discontinuation
- 2008-06-05 KR KR1020097025997A patent/KR101196506B1/ko active Active
- 2008-06-05 US US12/663,828 patent/US8706480B2/en active Active
- 2008-06-05 PT PT87590469T patent/PT2165328T/pt unknown
- 2008-06-05 PL PL08759046T patent/PL2165328T3/pl unknown
- 2008-06-05 RU RU2009143665/09A patent/RU2439721C2/ru active
- 2008-06-05 CN CN2008800196999A patent/CN101743586B/zh active Active
- 2008-06-05 MX MX2009013519A patent/MX2009013519A/es active IP Right Grant
- 2008-06-05 AU AU2008261287A patent/AU2008261287B2/en active Active
- 2008-06-05 ES ES08759046.9T patent/ES2663269T3/es active Active
- 2008-06-05 WO PCT/EP2008/004496 patent/WO2008151755A1/en not_active Ceased
- 2008-06-05 MY MYPI20095103A patent/MY146431A/en unknown
- 2008-06-05 CA CA2691993A patent/CA2691993C/en active Active
- 2008-06-11 AR ARP080102482A patent/AR066959A1/es active IP Right Grant
- 2008-06-11 TW TW097121819A patent/TWI371744B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2165328B1 (en) | 2018-01-17 |
| RU2009143665A (ru) | 2011-07-27 |
| TW200912896A (en) | 2009-03-16 |
| RU2439721C2 (ru) | 2012-01-10 |
| TWI371744B (en) | 2012-09-01 |
| EP2165328A1 (en) | 2010-03-24 |
| US8706480B2 (en) | 2014-04-22 |
| US20100262420A1 (en) | 2010-10-14 |
| PL2165328T3 (pl) | 2018-06-29 |
| WO2008151755A1 (en) | 2008-12-18 |
| PT2165328T (pt) | 2018-04-24 |
| MY146431A (en) | 2012-08-15 |
| AU2008261287A1 (en) | 2008-12-18 |
| CN101743586A (zh) | 2010-06-16 |
| KR101196506B1 (ko) | 2012-11-01 |
| AR066959A1 (es) | 2009-09-23 |
| JP5686369B2 (ja) | 2015-03-18 |
| CA2691993C (en) | 2015-01-27 |
| CN101743586B (zh) | 2012-10-17 |
| AU2008261287B2 (en) | 2010-12-16 |
| CA2691993A1 (en) | 2008-12-18 |
| KR20100024414A (ko) | 2010-03-05 |
| MX2009013519A (es) | 2010-01-18 |
| JP2010530079A (ja) | 2010-09-02 |
| ES2663269T3 (es) | 2018-04-11 |
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