CN101061534B - 音频信号编码装置及方法 - Google Patents

音频信号编码装置及方法 Download PDF

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Publication number
CN101061534B
CN101061534B CN2005800395626A CN200580039562A CN101061534B CN 101061534 B CN101061534 B CN 101061534B CN 2005800395626 A CN2005800395626 A CN 2005800395626A CN 200580039562 A CN200580039562 A CN 200580039562A CN 101061534 B CN101061534 B CN 101061534B
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spectrum
mentioned
frame
quantized
quantization
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CN101061534A (zh
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船越正伸
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Canon Inc
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Canon Inc
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Priority claimed from JP2005328945A external-priority patent/JP4822816B2/ja
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Priority claimed from PCT/JP2005/021014 external-priority patent/WO2006054583A1/ja
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CN2005800395626A 2004-11-18 2005-11-16 音频信号编码装置及方法 Expired - Fee Related CN101061534B (zh)

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Application Number Priority Date Filing Date Title
JP2004335005A JP4639073B2 (ja) 2004-11-18 2004-11-18 オーディオ信号符号化装置および方法
JP335005/2004 2004-11-18
JP328945/2005 2005-11-14
JP2005328945A JP4822816B2 (ja) 2005-11-14 2005-11-14 オーディオ信号符号化装置および方法
PCT/JP2005/021014 WO2006054583A1 (ja) 2004-11-18 2005-11-16 オーディオ信号符号化装置および方法

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CN101061534A CN101061534A (zh) 2007-10-24
CN101061534B true CN101061534B (zh) 2011-04-06

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Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5224666B2 (ja) * 2006-09-08 2013-07-03 株式会社東芝 オーディオ符号化装置
US7966175B2 (en) 2006-10-18 2011-06-21 Polycom, Inc. Fast lattice vector quantization
US7953595B2 (en) * 2006-10-18 2011-05-31 Polycom, Inc. Dual-transform coding of audio signals
JP5019437B2 (ja) * 2007-02-22 2012-09-05 Ｋｄｄｉ株式会社 オーディオビットレート変換方法および装置
JP5446258B2 (ja) * 2008-12-26 2014-03-19 富士通株式会社 オーディオ符号化装置
KR101078378B1 (ko) * 2009-03-04 2011-10-31 주식회사 코아로직 오디오 부호화기의 양자화 방법 및 장치
CN101504835B (zh) * 2009-03-09 2011-11-16 武汉大学 声场中空间感知信息量的度量方法及应用
JP5609591B2 (ja) * 2010-11-30 2014-10-22 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
JP5724338B2 (ja) * 2010-12-03 2015-05-27 ソニー株式会社 符号化装置および符号化方法、復号装置および復号方法、並びにプログラム
JP5782921B2 (ja) * 2011-08-26 2015-09-24 富士通株式会社 符号化装置、符号化方法および符号化プログラム
JP5635213B2 (ja) * 2012-03-28 2014-12-03 日本電信電話株式会社 符号化方法、符号化装置、復号方法、復号装置、プログラム及び記録媒体
US9552821B2 (en) * 2012-05-30 2017-01-24 Nippon Telegraph And Telephone Corporation Encoding method, encoder, program and recording medium
EP2988300A1 (en) * 2014-08-18 2016-02-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Switching of sampling rates at audio processing devices
KR102672226B1 (ko) * 2019-01-07 2024-06-05 엘에스일렉트릭(주) 누설 전류의 유형을 출력할 수 있는 누전 차단기 및 그 제어 방법

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5495552A (en) * 1992-04-20 1996-02-27 Mitsubishi Denki Kabushiki Kaisha Methods of efficiently recording an audio signal in semiconductor memory
CN1119376A (zh) * 1994-01-18 1996-03-27 大宇电子株式会社 对来自多个信道的输入数字音频信号自适应编码的装置
CN1127913A (zh) * 1995-01-27 1996-07-31 大宇电子株式会社 自适应数字音频编码装置及其一种位分配方法
CN1128438A (zh) * 1994-11-09 1996-08-07 大宇电子株式会社 编码数字音频信号的方法
CN1288641A (zh) * 1998-09-22 2001-03-21 松下电器产业株式会社 视频信号编码方法、视频信号编码装置及程序记录媒体
US6301558B1 (en) * 1997-01-16 2001-10-09 Sony Corporation Audio signal coding with hierarchical unequal error protection of subbands
CN1160702C (zh) * 1995-10-05 2004-08-04 索尼公司 使用多通道音频信号的编码方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4409733B2 (ja) * 1999-09-07 2010-02-03 パナソニック株式会社 符号化装置、符号化方法、及びその記録媒体
JP2001242895A (ja) * 2000-02-28 2001-09-07 Toshiba Corp オーディオ符号化装置およびオーディオ符号化方法
JP2001249699A (ja) * 2000-03-07 2001-09-14 Hitachi Ltd 音声圧縮装置
JP2002091498A (ja) * 2000-09-19 2002-03-27 Victor Co Of Japan Ltd オーディオ信号符号化装置
JP2002182695A (ja) * 2000-12-14 2002-06-26 Matsushita Electric Ind Co Ltd 高能率符号化方法及び装置
JP2004309921A (ja) * 2003-04-09 2004-11-04 Sony Corp 符号化装置、符号化方法及びプログラム

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5495552A (en) * 1992-04-20 1996-02-27 Mitsubishi Denki Kabushiki Kaisha Methods of efficiently recording an audio signal in semiconductor memory
CN1119376A (zh) * 1994-01-18 1996-03-27 大宇电子株式会社 对来自多个信道的输入数字音频信号自适应编码的装置
CN1128438A (zh) * 1994-11-09 1996-08-07 大宇电子株式会社 编码数字音频信号的方法
CN1127913A (zh) * 1995-01-27 1996-07-31 大宇电子株式会社 自适应数字音频编码装置及其一种位分配方法
CN1160702C (zh) * 1995-10-05 2004-08-04 索尼公司 使用多通道音频信号的编码方法及装置
US6301558B1 (en) * 1997-01-16 2001-10-09 Sony Corporation Audio signal coding with hierarchical unequal error protection of subbands
CN1288641A (zh) * 1998-09-22 2001-03-21 松下电器产业株式会社 视频信号编码方法、视频信号编码装置及程序记录媒体

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2002-182695A 2002.06.26

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JP4639073B2 (ja) 2011-02-23
JP2006145782A (ja) 2006-06-08

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