JP2006145782A5 - - Google Patents
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- Publication number
- JP2006145782A5 JP2006145782A5 JP2004335005A JP2004335005A JP2006145782A5 JP 2006145782 A5 JP2006145782 A5 JP 2006145782A5 JP 2004335005 A JP2004335005 A JP 2004335005A JP 2004335005 A JP2004335005 A JP 2004335005A JP 2006145782 A5 JP2006145782 A5 JP 2006145782A5
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- JP
- Japan
- Prior art keywords
- spectrum
- quantization
- unit
- scale factor
- frame
- Prior art date
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- 238000001228 spectrum Methods 0.000 claims 71
- 238000013139 quantization Methods 0.000 claims 58
- 238000004364 calculation method Methods 0.000 claims 30
- 238000007493 shaping process Methods 0.000 claims 12
- 230000003595 spectral effect Effects 0.000 claims 11
- 238000006243 chemical reaction Methods 0.000 claims 9
- 230000005236 sound signal Effects 0.000 claims 7
- 230000000873 masking effect Effects 0.000 claims 6
- 238000000034 method Methods 0.000 claims 4
Priority Applications (4)
| 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 |
| 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 |
| CN2005800395626A CN101061534B (zh) | 2004-11-18 | 2005-11-16 | 音频信号编码装置及方法 |
| US11/749,563 US7613605B2 (en) | 2004-11-18 | 2007-05-16 | Audio signal encoding apparatus and method |
Applications Claiming Priority (1)
| 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006145782A JP2006145782A (ja) | 2006-06-08 |
| JP2006145782A5 true JP2006145782A5 (enExample) | 2008-01-17 |
| JP4639073B2 JP4639073B2 (ja) | 2011-02-23 |
Family
ID=36625575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004335005A Expired - Fee Related 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 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4639073B2 (enExample) |
| CN (1) | CN101061534B (enExample) |
Families Citing this family (14)
| 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 |
Family Cites Families (13)
| 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 |
| KR960012475B1 (ko) * | 1994-01-18 | 1996-09-20 | 대우전자 주식회사 | 디지탈 오디오 부호화장치의 채널별 비트 할당 장치 |
| KR970011727B1 (en) * | 1994-11-09 | 1997-07-14 | Daewoo Electronics Co Ltd | Apparatus for encoding of the audio signal |
| CN1108023C (zh) * | 1995-01-27 | 2003-05-07 | 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 |
| US5960390A (en) * | 1995-10-05 | 1999-09-28 | Sony Corporation | Coding method for using multi channel audio signals |
| JPH10233692A (ja) * | 1997-01-16 | 1998-09-02 | Sony Corp | オーディオ信号符号化装置および符号化方法並びにオーディオ信号復号装置および復号方法 |
| WO2000018129A1 (en) * | 1998-09-22 | 2000-03-30 | Matsushita Electric Industrial Co., Ltd. | Video signal encoding method, video signal encoder, and program recorded medium |
| 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 |
-
2004
- 2004-11-18 JP JP2004335005A patent/JP4639073B2/ja not_active Expired - Fee Related
-
2005
- 2005-11-16 CN CN2005800395626A patent/CN101061534B/zh not_active Expired - Fee Related
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