CN1276407C - 立体声音频编码方法及装置,音频流解码方法及装置 - Google Patents
立体声音频编码方法及装置,音频流解码方法及装置 Download PDFInfo
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- CN1276407C CN1276407C CNB031650384A CN03165038A CN1276407C CN 1276407 C CN1276407 C CN 1276407C CN B031650384 A CNB031650384 A CN B031650384A CN 03165038 A CN03165038 A CN 03165038A CN 1276407 C CN1276407 C CN 1276407C
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- 238000000034 method Methods 0.000 title claims abstract description 80
- 238000006243 chemical reaction Methods 0.000 claims abstract description 78
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- 230000014509 gene expression Effects 0.000 claims description 23
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- 238000011002 quantification Methods 0.000 claims description 21
- 230000008030 elimination Effects 0.000 claims description 12
- 238000003379 elimination reaction Methods 0.000 claims description 12
- 230000000873 masking effect Effects 0.000 abstract description 10
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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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (43)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020080061A KR100923297B1 (ko) | 2002-12-14 | 2002-12-14 | 스테레오 오디오 부호화 방법, 그 장치, 복호화 방법 및그 장치 |
KR80061/2002 | 2002-12-14 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006101078403A Division CN1901043B (zh) | 2002-12-14 | 2003-09-17 | 立体声音频编码方法及装置,音频流解码方法及装置 |
Publications (2)
Publication Number | Publication Date |
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CN1525438A CN1525438A (zh) | 2004-09-01 |
CN1276407C true CN1276407C (zh) | 2006-09-20 |
Family
ID=34309333
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006101078403A Expired - Fee Related CN1901043B (zh) | 2002-12-14 | 2003-09-17 | 立体声音频编码方法及装置,音频流解码方法及装置 |
CNB031650384A Expired - Fee Related CN1276407C (zh) | 2002-12-14 | 2003-09-19 | 立体声音频编码方法及装置,音频流解码方法及装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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CN2006101078403A Expired - Fee Related CN1901043B (zh) | 2002-12-14 | 2003-09-17 | 立体声音频编码方法及装置,音频流解码方法及装置 |
Country Status (2)
Country | Link |
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KR (1) | KR100923297B1 (zh) |
CN (2) | CN1901043B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102388417A (zh) * | 2009-03-17 | 2012-03-21 | 杜比国际公司 | 基于自适应地可选择的左/右或中央/侧边立体声编码和参数立体声编码的组合的高级立体声编码 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0301273D0 (sv) * | 2003-04-30 | 2003-04-30 | Coding Technologies Sweden Ab | Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
KR100707177B1 (ko) | 2005-01-19 | 2007-04-13 | 삼성전자주식회사 | 디지털 신호 부호화/복호화 방법 및 장치 |
KR100755471B1 (ko) * | 2005-07-19 | 2007-09-05 | 한국전자통신연구원 | 가상음원위치정보에 기반한 채널간 크기 차이 양자화 및역양자화 방법 |
US20070112563A1 (en) * | 2005-11-17 | 2007-05-17 | Microsoft Corporation | Determination of audio device quality |
US7536299B2 (en) * | 2005-12-19 | 2009-05-19 | Dolby Laboratories Licensing Corporation | Correlating and decorrelating transforms for multiple description coding systems |
US20090313029A1 (en) * | 2006-07-14 | 2009-12-17 | Anyka (Guangzhou) Software Technologiy Co., Ltd. | Method And System For Backward Compatible Multi Channel Audio Encoding and Decoding with the Maximum Entropy |
CN101617360B (zh) | 2006-09-29 | 2012-08-22 | 韩国电子通信研究院 | 用于编码和解码具有各种声道的多对象音频信号的设备和方法 |
CN101809654B (zh) * | 2007-04-26 | 2013-08-07 | 杜比国际公司 | 供合成输出信号的装置和方法 |
JP5366104B2 (ja) * | 2008-06-26 | 2013-12-11 | オランジュ | マルチチャネル・オーディオ信号の空間合成 |
US8654984B2 (en) * | 2011-04-26 | 2014-02-18 | Skype | Processing stereophonic audio signals |
CN104616657A (zh) * | 2015-01-13 | 2015-05-13 | 中国电子科技集团公司第三十二研究所 | 高级音频编码系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5819215A (en) | 1995-10-13 | 1998-10-06 | Dobson; Kurt | Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data |
JPH1020662A (ja) * | 1996-06-28 | 1998-01-23 | Ricoh Co Ltd | 現像装置 |
CN1214690C (zh) * | 1997-09-05 | 2005-08-10 | 雷克西康公司 | 5-2-5矩阵编码器和解码器系统 |
KR100335611B1 (ko) * | 1997-11-20 | 2002-10-09 | 삼성전자 주식회사 | 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치 |
-
2002
- 2002-12-14 KR KR1020020080061A patent/KR100923297B1/ko not_active IP Right Cessation
-
2003
- 2003-09-17 CN CN2006101078403A patent/CN1901043B/zh not_active Expired - Fee Related
- 2003-09-19 CN CNB031650384A patent/CN1276407C/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102388417A (zh) * | 2009-03-17 | 2012-03-21 | 杜比国际公司 | 基于自适应地可选择的左/右或中央/侧边立体声编码和参数立体声编码的组合的高级立体声编码 |
CN102388417B (zh) * | 2009-03-17 | 2015-10-21 | 杜比国际公司 | 基于自适应地可选择的左/右或中央/侧边立体声编码和参数立体声编码的组合的高级立体声编码 |
US10297259B2 (en) | 2009-03-17 | 2019-05-21 | Dolby International Ab | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding |
Also Published As
Publication number | Publication date |
---|---|
KR20040053501A (ko) | 2004-06-24 |
CN1525438A (zh) | 2004-09-01 |
CN1901043B (zh) | 2012-01-11 |
KR100923297B1 (ko) | 2009-10-23 |
CN1901043A (zh) | 2007-01-24 |
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