WO2010013450A1 - 音響符号化装置、音響復号化装置、音響符号化復号化装置および会議システム - Google Patents
音響符号化装置、音響復号化装置、音響符号化復号化装置および会議システム Download PDFInfo
- Publication number
- WO2010013450A1 WO2010013450A1 PCT/JP2009/003557 JP2009003557W WO2010013450A1 WO 2010013450 A1 WO2010013450 A1 WO 2010013450A1 JP 2009003557 W JP2009003557 W JP 2009003557W WO 2010013450 A1 WO2010013450 A1 WO 2010013450A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sound
- coding
- signal
- decoding device
- channel sound
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 6
- 230000001934 delay Effects 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Telephonic Communication Services (AREA)
Abstract
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0905069-8A BRPI0905069A2 (pt) | 2008-07-29 | 2009-07-28 | Aparelho de codificação de áudio, aparelho de decodificação de áudio, aparelho de codificação e de descodificação de áudio e sistema de teleconferência |
CN2009801005438A CN101809656B (zh) | 2008-07-29 | 2009-07-28 | 音响编码装置、音响解码装置、音响编码解码装置及会议系统 |
RU2010111795/08A RU2495503C2 (ru) | 2008-07-29 | 2009-07-28 | Устройство кодирования звука, устройство декодирования звука, устройство кодирования и декодирования звука и система проведения телеконференций |
EP09802699.0A EP2306452B1 (en) | 2008-07-29 | 2009-07-28 | Sound coding / decoding apparatus, method and program |
JP2010507745A JP5243527B2 (ja) | 2008-07-29 | 2009-07-28 | 音響符号化装置、音響復号化装置、音響符号化復号化装置および会議システム |
US12/679,814 US8311810B2 (en) | 2008-07-29 | 2009-07-28 | Reduced delay spatial coding and decoding apparatus and teleconferencing system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008194414 | 2008-07-29 | ||
JP2008-194414 | 2008-07-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010013450A1 true WO2010013450A1 (ja) | 2010-02-04 |
Family
ID=41610164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/003557 WO2010013450A1 (ja) | 2008-07-29 | 2009-07-28 | 音響符号化装置、音響復号化装置、音響符号化復号化装置および会議システム |
Country Status (7)
Country | Link |
---|---|
US (1) | US8311810B2 (ja) |
EP (1) | EP2306452B1 (ja) |
JP (1) | JP5243527B2 (ja) |
CN (1) | CN101809656B (ja) |
BR (1) | BRPI0905069A2 (ja) |
RU (1) | RU2495503C2 (ja) |
WO (1) | WO2010013450A1 (ja) |
Cited By (2)
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JP2017513383A (ja) * | 2014-03-26 | 2017-05-25 | パナソニック株式会社 | サラウンドオーディオ信号処理のための装置及び方法 |
JP2018196133A (ja) * | 2018-07-20 | 2018-12-06 | パナソニック株式会社 | サラウンドオーディオ信号処理のための装置及び方法 |
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EP2097895A4 (en) * | 2006-12-27 | 2013-11-13 | Korea Electronics Telecomm | DEVICE AND METHOD FOR ENCODING AND DECODING MULTI-OBJECT AUDIO SIGNAL WITH DIFFERENT CHANNELS WITH INFORMATION BIT RATE CONVERSION |
TWI557723B (zh) * | 2010-02-18 | 2016-11-11 | 杜比實驗室特許公司 | 解碼方法及系統 |
WO2012058805A1 (en) * | 2010-11-03 | 2012-05-10 | Huawei Technologies Co., Ltd. | Parametric encoder for encoding a multi-channel audio signal |
US10844689B1 (en) | 2019-12-19 | 2020-11-24 | Saudi Arabian Oil Company | Downhole ultrasonic actuator system for mitigating lost circulation |
CN112185398A (zh) * | 2012-05-18 | 2021-01-05 | 杜比实验室特许公司 | 用于维持与参数音频编码器相关联的可逆动态范围控制信息的系统 |
US9460729B2 (en) | 2012-09-21 | 2016-10-04 | Dolby Laboratories Licensing Corporation | Layered approach to spatial audio coding |
CN102915736B (zh) * | 2012-10-16 | 2015-09-02 | 广东威创视讯科技股份有限公司 | 混音处理方法和混音处理系统 |
ES2643789T3 (es) | 2013-05-24 | 2017-11-24 | Dolby International Ab | Codificación eficiente de escenas de audio que comprenden objetos de audio |
JP6190947B2 (ja) * | 2013-05-24 | 2017-08-30 | ドルビー・インターナショナル・アーベー | オーディオ・オブジェクトを含むオーディオ・シーンの効率的な符号化 |
WO2014210284A1 (en) | 2013-06-27 | 2014-12-31 | Dolby Laboratories Licensing Corporation | Bitstream syntax for spatial voice coding |
EP2824661A1 (en) | 2013-07-11 | 2015-01-14 | Thomson Licensing | Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals |
EP3127109B1 (en) | 2014-04-01 | 2018-03-14 | Dolby International AB | Efficient coding of audio scenes comprising audio objects |
CN104240712B (zh) * | 2014-09-30 | 2018-02-02 | 武汉大学深圳研究院 | 一种三维音频多声道分组聚类编码方法及系统 |
EP3067886A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
US9978381B2 (en) * | 2016-02-12 | 2018-05-22 | Qualcomm Incorporated | Encoding of multiple audio signals |
KR20200116968A (ko) * | 2018-02-01 | 2020-10-13 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 하이브리드 인코더/디코더 공간 분석을 사용한 오디오 장면 인코더, 오디오 장면 디코더 및 관련 방법들 |
AU2020233210B2 (en) * | 2019-03-06 | 2023-09-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downmixer and method of downmixing |
CN110689890B (zh) * | 2019-10-16 | 2023-06-06 | 声耕智能科技(西安)研究院有限公司 | 语音交互服务处理系统 |
CN113948096A (zh) * | 2020-07-17 | 2022-01-18 | 华为技术有限公司 | 多声道音频信号编解码方法和装置 |
CN114974273B (zh) * | 2021-08-10 | 2023-08-15 | 中移互联网有限公司 | 一种会议音频混音方法和装置 |
Citations (2)
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JP2004535145A (ja) * | 2001-07-10 | 2004-11-18 | コーディング テクノロジーズ アクチボラゲット | 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化 |
JP2007079483A (ja) * | 2005-09-16 | 2007-03-29 | Nippon Telegr & Teleph Corp <Ntt> | ステレオ信号符号化装置、ステレオ信号復号化装置、ステレオ信号符号化方法、ステレオ信号復号化方法、プログラム及び記録媒体 |
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US5970461A (en) * | 1996-12-23 | 1999-10-19 | Apple Computer, Inc. | System, method and computer readable medium of efficiently decoding an AC-3 bitstream by precalculating computationally expensive values to be used in the decoding algorithm |
AU2003281128A1 (en) * | 2002-07-16 | 2004-02-02 | Koninklijke Philips Electronics N.V. | Audio coding |
CN1930914B (zh) * | 2004-03-04 | 2012-06-27 | 艾格瑞系统有限公司 | 对多声道音频信号进行编码和合成的方法和装置 |
KR101117336B1 (ko) * | 2004-05-19 | 2012-03-08 | 파나소닉 주식회사 | 오디오 신호 부호화 장치 및 오디오 신호 복호화 장치 |
US7391870B2 (en) * | 2004-07-09 | 2008-06-24 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V | Apparatus and method for generating a multi-channel output signal |
US7903824B2 (en) * | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
DE102005014477A1 (de) * | 2005-03-30 | 2006-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines Datenstroms und zum Erzeugen einer Multikanal-Darstellung |
EP1866913B1 (en) * | 2005-03-30 | 2008-08-27 | Koninklijke Philips Electronics N.V. | Audio encoding and decoding |
CN101185117B (zh) * | 2005-05-26 | 2012-09-26 | Lg电子株式会社 | 解码音频信号的方法和装置 |
US7653533B2 (en) * | 2005-10-24 | 2010-01-26 | Lg Electronics Inc. | Removing time delays in signal paths |
JP2007178684A (ja) * | 2005-12-27 | 2007-07-12 | Matsushita Electric Ind Co Ltd | マルチチャンネルオーディオ復号装置 |
JP2007187749A (ja) * | 2006-01-11 | 2007-07-26 | Matsushita Electric Ind Co Ltd | マルチチャンネル符号化における頭部伝達関数をサポートするための新装置 |
JP5173840B2 (ja) * | 2006-02-07 | 2013-04-03 | エルジー エレクトロニクス インコーポレイティド | 符号化/復号化装置及び方法 |
KR101056325B1 (ko) * | 2006-07-07 | 2011-08-11 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 복수의 파라미터적으로 코딩된 오디오 소스들을 결합하는 장치 및 방법 |
KR100763919B1 (ko) * | 2006-08-03 | 2007-10-05 | 삼성전자주식회사 | 멀티채널 신호를 모노 또는 스테레오 신호로 압축한 입력신호를 2 채널의 바이노럴 신호로 복호화하는 방법 및 장치 |
KR20090013178A (ko) * | 2006-09-29 | 2009-02-04 | 엘지전자 주식회사 | 오브젝트 기반 오디오 신호를 인코딩 및 디코딩하는 방법 및 장치 |
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-
2009
- 2009-07-28 RU RU2010111795/08A patent/RU2495503C2/ru not_active IP Right Cessation
- 2009-07-28 US US12/679,814 patent/US8311810B2/en not_active Expired - Fee Related
- 2009-07-28 BR BRPI0905069-8A patent/BRPI0905069A2/pt not_active Application Discontinuation
- 2009-07-28 CN CN2009801005438A patent/CN101809656B/zh not_active Expired - Fee Related
- 2009-07-28 EP EP09802699.0A patent/EP2306452B1/en not_active Not-in-force
- 2009-07-28 JP JP2010507745A patent/JP5243527B2/ja active Active
- 2009-07-28 WO PCT/JP2009/003557 patent/WO2010013450A1/ja active Application Filing
Patent Citations (2)
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JP2004535145A (ja) * | 2001-07-10 | 2004-11-18 | コーディング テクノロジーズ アクチボラゲット | 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化 |
JP2007079483A (ja) * | 2005-09-16 | 2007-03-29 | Nippon Telegr & Teleph Corp <Ntt> | ステレオ信号符号化装置、ステレオ信号復号化装置、ステレオ信号符号化方法、ステレオ信号復号化方法、プログラム及び記録媒体 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017513383A (ja) * | 2014-03-26 | 2017-05-25 | パナソニック株式会社 | サラウンドオーディオ信号処理のための装置及び方法 |
US10013993B2 (en) | 2014-03-26 | 2018-07-03 | Panasonic Corporation | Apparatus and method for surround audio signal processing |
US10593343B2 (en) | 2014-03-26 | 2020-03-17 | Panasonic Corporation | Apparatus and method for surround audio signal processing |
JP2018196133A (ja) * | 2018-07-20 | 2018-12-06 | パナソニック株式会社 | サラウンドオーディオ信号処理のための装置及び方法 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2010013450A1 (ja) | 2012-01-05 |
BRPI0905069A2 (pt) | 2015-06-30 |
EP2306452A1 (en) | 2011-04-06 |
RU2010111795A (ru) | 2012-09-10 |
CN101809656B (zh) | 2013-03-13 |
CN101809656A (zh) | 2010-08-18 |
EP2306452B1 (en) | 2017-08-30 |
RU2495503C2 (ru) | 2013-10-10 |
US20100198589A1 (en) | 2010-08-05 |
EP2306452A4 (en) | 2013-01-02 |
JP5243527B2 (ja) | 2013-07-24 |
US8311810B2 (en) | 2012-11-13 |
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