CN1711800A - 用于处理两个或更多个初始解码音频信号的方法和设备 - Google Patents
用于处理两个或更多个初始解码音频信号的方法和设备 Download PDFInfo
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- CN1711800A CN1711800A CNA2003801030907A CN200380103090A CN1711800A CN 1711800 A CN1711800 A CN 1711800A CN A2003801030907 A CNA2003801030907 A CN A2003801030907A CN 200380103090 A CN200380103090 A CN 200380103090A CN 1711800 A CN1711800 A CN 1711800A
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- 230000005236 sound signal Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 9
- 238000012545 processing Methods 0.000 title claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 108091006146 Channels Proteins 0.000 description 82
- 238000007667 floating Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
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- 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
- G11B20/10—Digital recording or reproducing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
Abstract
Description
索引值 | 声道号 | 音频语法元素、按照接收的次序列出 | 声道对扬声器映射 |
0 | 未规定 | 未规定 | 通过来自子节点的channelConfiguration |
1 | - | 转义序列 | channelLocation、channelDirection和polarityPattern字段有效 |
2 | 1 | single_channel_element | 中间前部扬声器 |
3 | 2 | channel_pair_element | 左、右前部扬声器 |
4 | 3 | single_channel_element、channel_pair_element | 中间前部扬声器、左、右前部扬声器 |
5 | 4 | single_channel_element、channel_pair_element、single_channel_element | 中间前部扬声器、左、右中间前部扬声器、后环绕扬声器 |
6 | 5 | single_channel_element、channel_pair_element、channel_pair_element | 中间前部扬声器、左、右前部扬声器、左环绕、右环绕后部扬声器 |
7 | 5+1 | single_channel_element、channel_pair_element、channel_pair_element、lfe_element | 中间前部扬声器、左、右前部扬声器、左环绕、右环绕后部扬声器、前低音效果扬声器 |
8 | 7+1 | single_channel_element、channel_pair_element、channel_pair_element、channel_pair_element、lfe_element | 中间前部扬声器、左、右中间前部扬声器、左、右外侧前部扬声器、左环绕、右环绕后部扬声器、前低音效果扬声器 |
9 | 2/2 | MPEG-2 L、R、LS、RS | 左、右前部扬声器、左环绕、右环绕后部扬声器 |
10 | 2/1 | MPEG-2 L、R、S | 左、右前部扬声器、后环绕扬声器 |
... |
channelLocation | channelDirection | Location | ||||
X | Y | Z | X | Y | Z | |
0 | 0 | -1 | 0 | 0 | 1 | 中间前部扬声器 |
k*sin(30°) | 0 | k*-cos(60°) | -sin(30°) | 0 | cos(60°) | 右前部扬声器 |
k*-sin(45°) | k*sin(45°) | k*-cos(45°) | sin(45°) | -sin(45°) | cos(45°) | 高保真立方体(LFU)左前部上方 |
数值 | 特性 |
0 | 单极 |
1 | 双极 |
3 | 心形线 |
4 | 耳机 |
... | ... |
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02026779A EP1427252A1 (en) | 2002-12-02 | 2002-12-02 | Method and apparatus for processing audio signals from a bitstream |
EP02026779.5 | 2002-12-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1711800A true CN1711800A (zh) | 2005-12-21 |
CN100525513C CN100525513C (zh) | 2009-08-05 |
Family
ID=32309353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003801030907A Expired - Fee Related CN100525513C (zh) | 2002-12-02 | 2003-11-24 | 用于处理两个或更多个初始解码音频信号的方法和设备 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8082050B2 (zh) |
EP (2) | EP1427252A1 (zh) |
JP (2) | JP5031988B2 (zh) |
KR (1) | KR101024749B1 (zh) |
CN (1) | CN100525513C (zh) |
AU (1) | AU2003288154B2 (zh) |
BR (2) | BR0316498A (zh) |
CA (1) | CA2508220C (zh) |
WO (1) | WO2004052052A2 (zh) |
Cited By (11)
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CN101926181A (zh) * | 2008-01-23 | 2010-12-22 | Lg电子株式会社 | 用于处理音频信号的方法和装置 |
CN102292772A (zh) * | 2008-10-30 | 2011-12-21 | 三星电子株式会社 | 多声道信号的编码/解码装置和方法 |
CN102547140A (zh) * | 2010-12-31 | 2012-07-04 | 新奥特(北京)视频技术有限公司 | 一种支持多方式导入音频的方法 |
CN101490744B (zh) * | 2006-11-24 | 2013-07-17 | Lg电子株式会社 | 用于编码和解码基于对象的音频信号的方法和装置 |
US8615088B2 (en) | 2008-01-23 | 2013-12-24 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal using preset matrix for controlling gain or panning |
US8615316B2 (en) | 2008-01-23 | 2013-12-24 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal |
CN104053047A (zh) * | 2014-06-24 | 2014-09-17 | 深圳市九洲电器有限公司 | 一种音频输出调整装置及调整方法 |
CN105635893A (zh) * | 2014-10-31 | 2016-06-01 | Tcl通力电子(惠州)有限公司 | 终端设备及其分配声道的方法 |
CN110942778A (zh) * | 2013-07-22 | 2020-03-31 | 弗朗霍夫应用科学研究促进协会 | 针对音频声道及音频对象的音频编码及解码的概念 |
CN112071324A (zh) * | 2019-06-10 | 2020-12-11 | 谷歌有限责任公司 | 音频通道混合 |
CN113766414A (zh) * | 2013-04-03 | 2021-12-07 | 杜比实验室特许公司 | 用于基于对象的音频的交互式渲染的方法和*** |
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KR101596504B1 (ko) * | 2008-04-23 | 2016-02-23 | 한국전자통신연구원 | 객체기반 오디오 컨텐츠의 생성/재생 방법 및 객체기반 오디오 서비스를 위한 파일 포맷 구조를 가진 데이터를 기록한 컴퓨터 판독 가능 기록 매체 |
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2002
- 2002-12-02 EP EP02026779A patent/EP1427252A1/en not_active Withdrawn
-
2003
- 2003-11-24 CA CA2508220A patent/CA2508220C/en not_active Expired - Fee Related
- 2003-11-24 WO PCT/EP2003/013172 patent/WO2004052052A2/en active Application Filing
- 2003-11-24 CN CNB2003801030907A patent/CN100525513C/zh not_active Expired - Fee Related
- 2003-11-24 AU AU2003288154A patent/AU2003288154B2/en not_active Ceased
- 2003-11-24 US US10/536,539 patent/US8082050B2/en not_active Expired - Fee Related
- 2003-11-24 BR BR0316498-5A patent/BR0316498A/pt not_active IP Right Cessation
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CN110942778A (zh) * | 2013-07-22 | 2020-03-31 | 弗朗霍夫应用科学研究促进协会 | 针对音频声道及音频对象的音频编码及解码的概念 |
CN104053047A (zh) * | 2014-06-24 | 2014-09-17 | 深圳市九洲电器有限公司 | 一种音频输出调整装置及调整方法 |
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CN112071324B (zh) * | 2019-06-10 | 2023-12-08 | 谷歌有限责任公司 | 应用语音级别估计模型来选择输出通道的方法、*** |
Also Published As
Publication number | Publication date |
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EP1568250A2 (en) | 2005-08-31 |
US20060174267A1 (en) | 2006-08-03 |
JP5031988B2 (ja) | 2012-09-26 |
WO2004052052A3 (en) | 2004-08-12 |
WO2004052052A2 (en) | 2004-06-17 |
AU2003288154A1 (en) | 2004-06-23 |
AU2003288154B2 (en) | 2008-08-07 |
JP5346051B2 (ja) | 2013-11-20 |
EP1427252A1 (en) | 2004-06-09 |
US8082050B2 (en) | 2011-12-20 |
BRPI0316498B1 (pt) | 2018-01-23 |
BR0316498A (pt) | 2005-10-11 |
EP1568250B1 (en) | 2013-01-09 |
JP2011150358A (ja) | 2011-08-04 |
CA2508220A1 (en) | 2004-06-17 |
CA2508220C (en) | 2013-02-19 |
KR101024749B1 (ko) | 2011-03-24 |
CN100525513C (zh) | 2009-08-05 |
KR20050085262A (ko) | 2005-08-29 |
JP2006508592A (ja) | 2006-03-09 |
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