CN1233163C - 多声道数字音频信号的压缩编码和解码设备及其方法 - Google Patents
多声道数字音频信号的压缩编码和解码设备及其方法 Download PDFInfo
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- CN1233163C CN1233163C CN02130245.6A CN02130245A CN1233163C CN 1233163 C CN1233163 C CN 1233163C CN 02130245 A CN02130245 A CN 02130245A CN 1233163 C CN1233163 C CN 1233163C
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Abstract
Description
子带数(M) | 音频帧长 | |
视频24帧/秒 | 视频25帧/秒 | |
16 | 400,2000 | 384,1920 |
20 | 200,400,1000,2000 | 240,480,960,1920 |
40 | 200,400,1000,2000 | 240,480,960,1920 |
80 | 400,2000 | 480,1920 |
Claims (8)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
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CNB2005100987086A CN100481734C (zh) | 2002-08-21 | 2002-08-21 | 用于从音频数据码流中解码重建多声道音频信号的解码器 |
CNB2005100987090A CN100452657C (zh) | 2002-08-21 | 2002-08-21 | 对多声道数字音频信号进行压缩编码的编码方法 |
CNB2005100987141A CN100474780C (zh) | 2002-08-21 | 2002-08-21 | 用于从编码后的音频数据流中解码重建多声道音频信号的解码方法 |
CNB2005100987122A CN100481736C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码方法 |
CNB2005100983032A CN100505554C (zh) | 2002-08-21 | 2002-08-21 | 用于从编码后的音频数据流中解码重建多声道音频信号的方法 |
CNB200510095900XA CN100477531C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码方法 |
CNB2005100987103A CN100481735C (zh) | 2002-08-21 | 2002-08-21 | 用于从编码后的音频数据流中解码重建多声道音频信号的解码方法 |
CN02130245.6A CN1233163C (zh) | 2002-08-21 | 2002-08-21 | 多声道数字音频信号的压缩编码和解码设备及其方法 |
CNB2005100983028A CN100481733C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码器 |
CNB2005100987118A CN100435485C (zh) | 2002-08-21 | 2002-08-21 | 用于从音频数据码流中解码重建多声道音频信号的解码器 |
CNB2005100987137A CN100533990C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码器 |
Applications Claiming Priority (1)
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CN02130245.6A CN1233163C (zh) | 2002-08-21 | 2002-08-21 | 多声道数字音频信号的压缩编码和解码设备及其方法 |
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CNB2005100987103A Division CN100481735C (zh) | 2002-08-21 | 2002-08-21 | 用于从编码后的音频数据流中解码重建多声道音频信号的解码方法 |
CNB2005100987118A Division CN100435485C (zh) | 2002-08-21 | 2002-08-21 | 用于从音频数据码流中解码重建多声道音频信号的解码器 |
CNB2005100987137A Division CN100533990C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码器 |
CN200510095899.0A Division CN1783726B (zh) | 2002-08-21 | 2002-08-21 | 用于从音频数据码流中解码重建多声道音频信号的解码器 |
CNB2005100983032A Division CN100505554C (zh) | 2002-08-21 | 2002-08-21 | 用于从编码后的音频数据流中解码重建多声道音频信号的方法 |
CNB2005100987141A Division CN100474780C (zh) | 2002-08-21 | 2002-08-21 | 用于从编码后的音频数据流中解码重建多声道音频信号的解码方法 |
CNB2005100987086A Division CN100481734C (zh) | 2002-08-21 | 2002-08-21 | 用于从音频数据码流中解码重建多声道音频信号的解码器 |
CNB2005100987090A Division CN100452657C (zh) | 2002-08-21 | 2002-08-21 | 对多声道数字音频信号进行压缩编码的编码方法 |
CNB200510095900XA Division CN100477531C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码方法 |
CNB2005100983028A Division CN100481733C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码器 |
CNB2005100987122A Division CN100481736C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码方法 |
Publications (2)
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CN1477872A CN1477872A (zh) | 2004-02-25 |
CN1233163C true CN1233163C (zh) | 2005-12-21 |
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CN02130245.6A Expired - Lifetime CN1233163C (zh) | 2002-08-21 | 2002-08-21 | 多声道数字音频信号的压缩编码和解码设备及其方法 |
CNB2005100987137A Expired - Lifetime CN100533990C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码器 |
CNB2005100987103A Expired - Lifetime CN100481735C (zh) | 2002-08-21 | 2002-08-21 | 用于从编码后的音频数据流中解码重建多声道音频信号的解码方法 |
CNB2005100987090A Expired - Lifetime CN100452657C (zh) | 2002-08-21 | 2002-08-21 | 对多声道数字音频信号进行压缩编码的编码方法 |
CNB2005100987086A Expired - Lifetime CN100481734C (zh) | 2002-08-21 | 2002-08-21 | 用于从音频数据码流中解码重建多声道音频信号的解码器 |
CNB2005100987122A Expired - Lifetime CN100481736C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码方法 |
CNB2005100987118A Expired - Lifetime CN100435485C (zh) | 2002-08-21 | 2002-08-21 | 用于从音频数据码流中解码重建多声道音频信号的解码器 |
CNB2005100987141A Expired - Lifetime CN100474780C (zh) | 2002-08-21 | 2002-08-21 | 用于从编码后的音频数据流中解码重建多声道音频信号的解码方法 |
CNB2005100983028A Expired - Lifetime CN100481733C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码器 |
CNB2005100983032A Expired - Lifetime CN100505554C (zh) | 2002-08-21 | 2002-08-21 | 用于从编码后的音频数据流中解码重建多声道音频信号的方法 |
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CNB2005100987103A Expired - Lifetime CN100481735C (zh) | 2002-08-21 | 2002-08-21 | 用于从编码后的音频数据流中解码重建多声道音频信号的解码方法 |
CNB2005100987090A Expired - Lifetime CN100452657C (zh) | 2002-08-21 | 2002-08-21 | 对多声道数字音频信号进行压缩编码的编码方法 |
CNB2005100987086A Expired - Lifetime CN100481734C (zh) | 2002-08-21 | 2002-08-21 | 用于从音频数据码流中解码重建多声道音频信号的解码器 |
CNB2005100987122A Expired - Lifetime CN100481736C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码方法 |
CNB2005100987118A Expired - Lifetime CN100435485C (zh) | 2002-08-21 | 2002-08-21 | 用于从音频数据码流中解码重建多声道音频信号的解码器 |
CNB2005100987141A Expired - Lifetime CN100474780C (zh) | 2002-08-21 | 2002-08-21 | 用于从编码后的音频数据流中解码重建多声道音频信号的解码方法 |
CNB2005100983028A Expired - Lifetime CN100481733C (zh) | 2002-08-21 | 2002-08-21 | 用于对多声道数字音频信号进行压缩编码的编码器 |
CNB2005100983032A Expired - Lifetime CN100505554C (zh) | 2002-08-21 | 2002-08-21 | 用于从编码后的音频数据流中解码重建多声道音频信号的方法 |
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Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100477531C (zh) * | 2002-08-21 | 2009-04-08 | 广州广晟数码技术有限公司 | 用于对多声道数字音频信号进行压缩编码的编码方法 |
ES2295837T3 (es) * | 2004-03-12 | 2008-04-16 | Nokia Corporation | Sistesis de una señal de audio monofonica sobre la base de una señal de audio multicanal codificada. |
TW200845724A (en) * | 2004-06-02 | 2008-11-16 | Matsushita Electric Ind Co Ltd | Multiplexing apparatus and demultiplexing apparatus |
CN101247129B (zh) * | 2004-09-17 | 2012-05-23 | 广州广晟数码技术有限公司 | 用于音频信号编码的码书分配方法 |
KR100682915B1 (ko) * | 2005-01-13 | 2007-02-15 | 삼성전자주식회사 | 다채널 신호 부호화/복호화 방법 및 장치 |
US8102872B2 (en) * | 2005-02-01 | 2012-01-24 | Qualcomm Incorporated | Method for discontinuous transmission and accurate reproduction of background noise information |
JP4809370B2 (ja) * | 2005-02-23 | 2011-11-09 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | マルチチャネル音声符号化における適応ビット割り当て |
US20070036228A1 (en) * | 2005-08-12 | 2007-02-15 | Via Technologies Inc. | Method and apparatus for audio encoding and decoding |
CN1758772B (zh) * | 2005-11-04 | 2010-05-05 | 无敌科技(西安)有限公司 | 多媒体文件影音同步的播放方法及其*** |
CN101030379B (zh) * | 2007-03-26 | 2011-10-12 | 北京中星微电子有限公司 | 一种数字音频信号比特分配的方法和装置 |
CN101277461B (zh) * | 2007-03-27 | 2011-05-04 | 展讯通信(上海)有限公司 | 一种在td-scdma***中同时传输高低码流的方法和*** |
CN101067931B (zh) * | 2007-05-10 | 2011-04-20 | 芯晟(北京)科技有限公司 | 一种高效可配置的频域参数立体声及多声道编解码方法与*** |
CN101321293B (zh) * | 2007-06-06 | 2010-08-18 | 中兴通讯股份有限公司 | 一种实现多路节目复用的装置和方法 |
CN101179716B (zh) * | 2007-11-30 | 2011-12-07 | 华南理工大学 | 一种压缩域的传输数据流音频自动增益控制方法 |
CN101562015A (zh) * | 2008-04-18 | 2009-10-21 | 华为技术有限公司 | 音频处理方法及装置 |
JP4702402B2 (ja) * | 2008-06-05 | 2011-06-15 | ソニー株式会社 | 信号送信装置、信号送信方法、信号受信装置及び信号受信方法 |
CN102157151B (zh) | 2010-02-11 | 2012-10-03 | 华为技术有限公司 | 一种多声道信号编码方法、解码方法、装置和*** |
CN102436819B (zh) * | 2011-10-25 | 2013-02-13 | 杭州微纳科技有限公司 | 无线音频压缩、解压缩方法及音频编码器和音频解码器 |
CA2987808C (en) * | 2016-01-22 | 2020-03-10 | Guillaume Fuchs | Apparatus and method for encoding or decoding an audio multi-channel signal using spectral-domain resampling |
WO2017132366A1 (en) | 2016-01-26 | 2017-08-03 | Dolby Laboratories Licensing Corporation | Adaptive quantization |
CN110009803A (zh) * | 2017-12-26 | 2019-07-12 | 广州因文际会品牌策划有限公司 | 一种基于互联网的计算机零配件售卖*** |
CN108550369B (zh) * | 2018-04-14 | 2020-08-11 | 全景声科技南京有限公司 | 一种可变长度的全景声信号编解码方法 |
CN111462767B (zh) * | 2020-04-10 | 2024-01-09 | 全景声科技南京有限公司 | 音频信号的增量编码方法及装置 |
CN111681664A (zh) * | 2020-07-24 | 2020-09-18 | 北京百瑞互联技术有限公司 | 一种降低音频编码码率的方法、***、存储介质及设备 |
CN112151046B (zh) * | 2020-09-25 | 2024-06-18 | 北京百瑞互联技术股份有限公司 | Lc3编码器自适应调节多声道传输码率的方法、装置及介质 |
CN115691514A (zh) * | 2021-07-29 | 2023-02-03 | 华为技术有限公司 | 一种多声道信号的编解码方法和装置 |
CN115881139A (zh) * | 2021-09-29 | 2023-03-31 | 华为技术有限公司 | 编解码方法、装置、设备、存储介质及计算机程序 |
CN115116455A (zh) * | 2022-06-15 | 2022-09-27 | 腾讯科技(深圳)有限公司 | 音频处理方法、装置、设备、存储介质及计算机程序产品 |
CN118016080B (zh) * | 2024-04-09 | 2024-06-25 | 腾讯科技(深圳)有限公司 | 一种音频处理方法、音频处理器及相关装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5388181A (en) * | 1990-05-29 | 1995-02-07 | Anderson; David J. | Digital audio compression system |
DE69331166T2 (de) * | 1992-02-03 | 2002-08-22 | Koninkl Philips Electronics Nv | Übertragung von digitalen Breitbandsignalen |
KR960012475B1 (ko) * | 1994-01-18 | 1996-09-20 | 대우전자 주식회사 | 디지탈 오디오 부호화장치의 채널별 비트 할당 장치 |
US5956674A (en) * | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
CN100477531C (zh) * | 2002-08-21 | 2009-04-08 | 广州广晟数码技术有限公司 | 用于对多声道数字音频信号进行压缩编码的编码方法 |
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- 2002-08-21 CN CNB200510095900XA patent/CN100477531C/zh not_active Expired - Lifetime
- 2002-08-21 CN CN02130245.6A patent/CN1233163C/zh not_active Expired - Lifetime
- 2002-08-21 CN CNB2005100987137A patent/CN100533990C/zh not_active Expired - Lifetime
- 2002-08-21 CN CNB2005100987103A patent/CN100481735C/zh not_active Expired - Lifetime
- 2002-08-21 CN CNB2005100987090A patent/CN100452657C/zh not_active Expired - Lifetime
- 2002-08-21 CN CNB2005100987086A patent/CN100481734C/zh not_active Expired - Lifetime
- 2002-08-21 CN CNB2005100987122A patent/CN100481736C/zh not_active Expired - Lifetime
- 2002-08-21 CN CNB2005100987118A patent/CN100435485C/zh not_active Expired - Lifetime
- 2002-08-21 CN CNB2005100987141A patent/CN100474780C/zh not_active Expired - Lifetime
- 2002-08-21 CN CNB2005100983028A patent/CN100481733C/zh not_active Expired - Lifetime
- 2002-08-21 CN CNB2005100983032A patent/CN100505554C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1477872A (zh) | 2004-02-25 |
CN1750408A (zh) | 2006-03-22 |
CN1750402A (zh) | 2006-03-22 |
CN1750406A (zh) | 2006-03-22 |
CN1750405A (zh) | 2006-03-22 |
CN1750403A (zh) | 2006-03-22 |
CN1750409A (zh) | 2006-03-22 |
CN1750407A (zh) | 2006-03-22 |
CN1783727A (zh) | 2006-06-07 |
CN100452657C (zh) | 2009-01-14 |
CN100481733C (zh) | 2009-04-22 |
CN100477531C (zh) | 2009-04-08 |
CN100474780C (zh) | 2009-04-01 |
CN100481735C (zh) | 2009-04-22 |
CN1750404A (zh) | 2006-03-22 |
CN100533990C (zh) | 2009-08-26 |
CN1756087A (zh) | 2006-04-05 |
CN100481736C (zh) | 2009-04-22 |
CN100505554C (zh) | 2009-06-24 |
CN100435485C (zh) | 2008-11-19 |
CN100481734C (zh) | 2009-04-22 |
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Owner name: GUANGSHENG DIGITAL TECHNOLOGY CO., LTD., GUANGZHO Free format text: FORMER OWNER: ZHENGYIN DIGITAL TECHNOLOGY CO., LTD., ZHONGSHAN CITY; YOU YULI Effective date: 20060407 |
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Effective date of registration: 20060407 Address after: 510640, 6 floor, building 2, Science Park, South China University of Technology, Tianhe District energy road, Guangzhou, China Patentee after: DIGITAL RISE TECHNOLOGY CO.,LTD. Address before: 528415 Guangdong province Zhongshan City Shengping Road No. 10 building 14 floor construction Co-patentee before: You Yuli Patentee before: Zhengyin Digital Technology Co.,Ltd. Zhongshan City |
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Application publication date: 20040225 Assignee: Shenzhen Guangsheng Digital Technology Co.,Ltd. Assignor: DIGITAL RISE TECHNOLOGY CO.,LTD. Contract record no.: 2010990000326 Denomination of invention: Compressed encoding and decoding equipment of multiple sound channel digital voice-frequency signal and its method Granted publication date: 20051221 License type: Common License Record date: 20100602 |
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