JP2002542522A5 - - Google Patents
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- Publication number
- JP2002542522A5 JP2002542522A5 JP2000612930A JP2000612930A JP2002542522A5 JP 2002542522 A5 JP2002542522 A5 JP 2002542522A5 JP 2000612930 A JP2000612930 A JP 2000612930A JP 2000612930 A JP2000612930 A JP 2000612930A JP 2002542522 A5 JP2002542522 A5 JP 2002542522A5
- Authority
- JP
- Japan
- Prior art keywords
- components
- component
- quantized
- signal
- size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 description 33
- 238000013139 quantization Methods 0.000 description 19
- 230000000295 complement effect Effects 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29357799A | 1999-04-16 | 1999-04-16 | |
| US09/293,577 | 1999-07-08 | ||
| US09/349,645 | 1999-07-08 | ||
| US09/349,645 US6246345B1 (en) | 1999-04-16 | 1999-07-08 | Using gain-adaptive quantization and non-uniform symbol lengths for improved audio coding |
| PCT/US2000/009604 WO2000063886A1 (en) | 1999-04-16 | 2000-04-11 | Using gain-adaptive quantization and non-uniform symbol lengths for audio coding |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002542522A JP2002542522A (ja) | 2002-12-10 |
| JP2002542522A5 true JP2002542522A5 (enExample) | 2007-06-14 |
| JP4843142B2 JP4843142B2 (ja) | 2011-12-21 |
Family
ID=26968028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000612930A Expired - Lifetime JP4843142B2 (ja) | 1999-04-16 | 2000-04-11 | 音声符号化のための利得−適応性量子化及び不均一符号長の使用 |
Country Status (17)
| Country | Link |
|---|---|
| EP (1) | EP1175670B2 (enExample) |
| JP (1) | JP4843142B2 (enExample) |
| KR (1) | KR100893281B1 (enExample) |
| CN (1) | CN1158646C (enExample) |
| AR (1) | AR023444A1 (enExample) |
| AT (1) | ATE269574T1 (enExample) |
| AU (1) | AU771454B2 (enExample) |
| BR (1) | BRPI0010672B1 (enExample) |
| CA (1) | CA2368453C (enExample) |
| DE (1) | DE60011606T3 (enExample) |
| DK (1) | DK1175670T4 (enExample) |
| ES (1) | ES2218148T5 (enExample) |
| HK (1) | HK1045747B (enExample) |
| MX (1) | MXPA01010447A (enExample) |
| MY (1) | MY122486A (enExample) |
| TW (1) | TW536692B (enExample) |
| WO (1) | WO2000063886A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7447631B2 (en) * | 2002-06-17 | 2008-11-04 | Dolby Laboratories Licensing Corporation | Audio coding system using spectral hole filling |
| DE102004007184B3 (de) * | 2004-02-13 | 2005-09-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zum Quantisieren eines Informationssignals |
| DE102004007200B3 (de) | 2004-02-13 | 2005-08-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierung |
| DE102004007191B3 (de) | 2004-02-13 | 2005-09-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierung |
| CN100486332C (zh) * | 2005-11-17 | 2009-05-06 | 广达电脑股份有限公司 | 合成子频带滤波的方法及装置 |
| RU2420816C2 (ru) * | 2006-02-24 | 2011-06-10 | Франс Телеком | Способ двоичного кодирования показателей квантования огибающей сигнала, способ декодирования огибающей сигнала и соответствующие модули кодирования и декодирования |
| DE102006022346B4 (de) * | 2006-05-12 | 2008-02-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Informationssignalcodierung |
| KR101482199B1 (ko) * | 2006-07-24 | 2015-01-14 | 마벨 월드 트레이드 리미티드 | 오디오 모니터링을 구비한 자기 및 광학 회전형 저장 시스템 |
| US8571852B2 (en) * | 2007-03-02 | 2013-10-29 | Telefonaktiebolaget L M Ericsson (Publ) | Postfilter for layered codecs |
| US8831933B2 (en) | 2010-07-30 | 2014-09-09 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization |
| US9208792B2 (en) | 2010-08-17 | 2015-12-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for noise injection |
| MX343471B (es) * | 2011-08-29 | 2016-11-07 | Ibex Pt Holdings Co Ltd | Metodo para generar un bloque de prediccion en modo de prediccion de vector de movimiento avanzada (amvp). |
| PT2933799T (pt) * | 2012-12-13 | 2017-09-05 | Panasonic Ip Corp America | Dispositivo de codificação de áudio de voz, dispositivo de descodificação de áudio de voz, método de codificação de áudio de voz e método de descodificação de áudio de voz |
| CN114420152B (zh) * | 2021-12-08 | 2025-07-08 | 深圳市东微智能科技股份有限公司 | 声音频带调整方法、装置、设备及存储介质 |
| CN116366411B (zh) * | 2023-03-28 | 2024-03-08 | 扬州宇安电子科技有限公司 | 一种多比特信号量化自适应门限生成及量化方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5365553A (en) * | 1990-11-30 | 1994-11-15 | U.S. Philips Corporation | Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal |
| KR960704300A (ko) * | 1994-05-25 | 1996-08-31 | 이데이 노부유키 | 부호화 방법, 복호화 방법, 부호화/복호화 방법, 부호화 장치, 복호화 장치 및 부호화/복호화 장치(Encoding method, decoding method, encoding/decoding method, encoding apparatus, decoding apparatus, and encoding/decoding apparatus) |
| JP3307138B2 (ja) * | 1995-02-27 | 2002-07-24 | ソニー株式会社 | 信号符号化方法及び装置、並びに信号復号化方法及び装置 |
| US5924064A (en) * | 1996-10-07 | 1999-07-13 | Picturetel Corporation | Variable length coding using a plurality of region bit allocation patterns |
| US6006179A (en) * | 1997-10-28 | 1999-12-21 | America Online, Inc. | Audio codec using adaptive sparse vector quantization with subband vector classification |
-
2000
- 2000-04-11 EP EP00922036A patent/EP1175670B2/en not_active Expired - Lifetime
- 2000-04-11 JP JP2000612930A patent/JP4843142B2/ja not_active Expired - Lifetime
- 2000-04-11 AR ARP000101655A patent/AR023444A1/es active IP Right Grant
- 2000-04-11 WO PCT/US2000/009604 patent/WO2000063886A1/en not_active Ceased
- 2000-04-11 DE DE60011606T patent/DE60011606T3/de not_active Expired - Lifetime
- 2000-04-11 MX MXPA01010447A patent/MXPA01010447A/es active IP Right Grant
- 2000-04-11 CN CNB008063303A patent/CN1158646C/zh not_active Expired - Lifetime
- 2000-04-11 BR BRPI0010672A patent/BRPI0010672B1/pt active IP Right Grant
- 2000-04-11 ES ES00922036T patent/ES2218148T5/es not_active Expired - Lifetime
- 2000-04-11 AU AU42279/00A patent/AU771454B2/en not_active Expired
- 2000-04-11 HK HK02107256.2A patent/HK1045747B/zh unknown
- 2000-04-11 DK DK00922036T patent/DK1175670T4/da active
- 2000-04-11 AT AT00922036T patent/ATE269574T1/de active
- 2000-04-11 TW TW089106701A patent/TW536692B/zh not_active IP Right Cessation
- 2000-04-11 KR KR1020017013223A patent/KR100893281B1/ko not_active Expired - Lifetime
- 2000-04-11 CA CA002368453A patent/CA2368453C/en not_active Expired - Lifetime
- 2000-04-14 MY MYPI20001607A patent/MY122486A/en unknown
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