WO2009110738A3 - 오디오 신호 처리 방법 및 장치 - Google Patents
오디오 신호 처리 방법 및 장치 Download PDFInfo
- Publication number
- WO2009110738A3 WO2009110738A3 PCT/KR2009/001050 KR2009001050W WO2009110738A3 WO 2009110738 A3 WO2009110738 A3 WO 2009110738A3 KR 2009001050 W KR2009001050 W KR 2009001050W WO 2009110738 A3 WO2009110738 A3 WO 2009110738A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- audio signal
- audio
- type
- information
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 9
- 238000000034 method Methods 0.000 title abstract 2
- 238000003672 processing method Methods 0.000 abstract 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
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
- G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2009220321A AU2009220321B2 (en) | 2008-03-03 | 2009-03-03 | Method and apparatus for processing audio signal |
KR1020107019538A KR101221919B1 (ko) | 2008-03-03 | 2009-03-03 | 오디오 신호 처리 방법 및 장치 |
MX2010009571A MX2010009571A (es) | 2008-03-03 | 2009-03-03 | Metodo y aparato para el procesamiento de señales de audio. |
BRPI0910285-0A BRPI0910285B1 (pt) | 2008-03-03 | 2009-03-03 | Métodos e aparelhos para processamento de sinal de áudio. |
CN2009801075430A CN101965612B (zh) | 2008-03-03 | 2009-03-03 | 用于处理音频信号的方法和装置 |
EP09716372.9A EP2259253B1 (en) | 2008-03-03 | 2009-03-03 | Method and apparatus for processing audio signal |
CA2716817A CA2716817C (en) | 2008-03-03 | 2009-03-03 | Method and apparatus for processing audio signal |
JP2010549570A JP5266341B2 (ja) | 2008-03-03 | 2009-03-03 | オーディオ信号処理方法及び装置 |
US12/497,375 US7991621B2 (en) | 2008-03-03 | 2009-07-02 | Method and an apparatus for processing a signal |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3303208P | 2008-03-03 | 2008-03-03 | |
US61/033,032 | 2008-03-03 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/497,375 Continuation US7991621B2 (en) | 2008-03-03 | 2009-07-02 | Method and an apparatus for processing a signal |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009110738A2 WO2009110738A2 (ko) | 2009-09-11 |
WO2009110738A3 true WO2009110738A3 (ko) | 2009-10-29 |
Family
ID=41056471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2009/001050 WO2009110738A2 (ko) | 2008-03-03 | 2009-03-03 | 오디오 신호 처리 방법 및 장치 |
Country Status (11)
Country | Link |
---|---|
US (1) | US7991621B2 (ko) |
EP (1) | EP2259253B1 (ko) |
JP (1) | JP5266341B2 (ko) |
KR (1) | KR101221919B1 (ko) |
CN (1) | CN101965612B (ko) |
AU (1) | AU2009220321B2 (ko) |
BR (1) | BRPI0910285B1 (ko) |
CA (1) | CA2716817C (ko) |
MX (1) | MX2010009571A (ko) |
RU (1) | RU2455709C2 (ko) |
WO (1) | WO2009110738A2 (ko) |
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US9343079B2 (en) * | 2007-06-15 | 2016-05-17 | Alon Konchitsky | Receiver intelligibility enhancement system |
KR101380170B1 (ko) * | 2007-08-31 | 2014-04-02 | 삼성전자주식회사 | 미디어 신호 인코딩/디코딩 방법 및 장치 |
ES2464722T3 (es) * | 2008-03-04 | 2014-06-03 | Lg Electronics Inc. | Método y aparato para procesar una señal de audio |
CA2715432C (en) * | 2008-03-05 | 2016-08-16 | Voiceage Corporation | System and method for enhancing a decoded tonal sound signal |
CN101567203B (zh) * | 2008-04-24 | 2013-06-05 | 深圳富泰宏精密工业有限公司 | 自动搜寻及播放音乐的系统及方法 |
EP2301028B1 (en) * | 2008-07-11 | 2012-12-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An apparatus and a method for calculating a number of spectral envelopes |
WO2010003545A1 (en) * | 2008-07-11 | 2010-01-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | An apparatus and a method for decoding an encoded audio signal |
KR101569702B1 (ko) * | 2009-08-17 | 2015-11-17 | 삼성전자주식회사 | 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치 |
EP2481048B1 (en) * | 2009-09-25 | 2017-10-25 | Nokia Technologies Oy | Audio coding |
JP5754899B2 (ja) | 2009-10-07 | 2015-07-29 | ソニー株式会社 | 復号装置および方法、並びにプログラム |
CA2778368C (en) | 2009-10-20 | 2016-01-26 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction |
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JP5609737B2 (ja) | 2010-04-13 | 2014-10-22 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
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WO2015133795A1 (ko) * | 2014-03-03 | 2015-09-11 | 삼성전자 주식회사 | 대역폭 확장을 위한 고주파 복호화 방법 및 장치 |
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JP6876924B2 (ja) * | 2015-12-08 | 2021-05-26 | ソニーグループ株式会社 | 送信装置、送信方法、受信装置および受信方法 |
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KR20220017221A (ko) * | 2020-08-04 | 2022-02-11 | 삼성전자주식회사 | 전자 장치 및 그의 오디오 데이터를 출력하는 방법 |
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2009
- 2009-03-03 CN CN2009801075430A patent/CN101965612B/zh active Active
- 2009-03-03 WO PCT/KR2009/001050 patent/WO2009110738A2/ko active Application Filing
- 2009-03-03 BR BRPI0910285-0A patent/BRPI0910285B1/pt active IP Right Grant
- 2009-03-03 RU RU2010140362/08A patent/RU2455709C2/ru active
- 2009-03-03 AU AU2009220321A patent/AU2009220321B2/en active Active
- 2009-03-03 EP EP09716372.9A patent/EP2259253B1/en active Active
- 2009-03-03 MX MX2010009571A patent/MX2010009571A/es active IP Right Grant
- 2009-03-03 CA CA2716817A patent/CA2716817C/en active Active
- 2009-03-03 KR KR1020107019538A patent/KR101221919B1/ko active IP Right Grant
- 2009-03-03 JP JP2010549570A patent/JP5266341B2/ja active Active
- 2009-07-02 US US12/497,375 patent/US7991621B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
BRPI0910285A2 (pt) | 2015-09-29 |
RU2455709C2 (ru) | 2012-07-10 |
WO2009110738A2 (ko) | 2009-09-11 |
KR101221919B1 (ko) | 2013-01-15 |
AU2009220321A1 (en) | 2009-09-11 |
EP2259253A4 (en) | 2013-02-20 |
EP2259253A2 (en) | 2010-12-08 |
JP2011513788A (ja) | 2011-04-28 |
KR20100134576A (ko) | 2010-12-23 |
BRPI0910285B1 (pt) | 2020-05-12 |
US7991621B2 (en) | 2011-08-02 |
CA2716817A1 (en) | 2009-09-11 |
MX2010009571A (es) | 2011-05-30 |
EP2259253B1 (en) | 2017-11-15 |
RU2010140362A (ru) | 2012-04-10 |
CN101965612B (zh) | 2012-08-29 |
CN101965612A (zh) | 2011-02-02 |
AU2009220321B2 (en) | 2011-09-22 |
JP5266341B2 (ja) | 2013-08-21 |
CA2716817C (en) | 2014-04-22 |
US20100070284A1 (en) | 2010-03-18 |
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