DK1175670T4 - Audiokodning ved hjælp af forstærkningsadaptiv kvantificering og symboler med uensartet længde - Google Patents
Audiokodning ved hjælp af forstærkningsadaptiv kvantificering og symboler med uensartet længdeInfo
- Publication number
- DK1175670T4 DK1175670T4 DK00922036T DK00922036T DK1175670T4 DK 1175670 T4 DK1175670 T4 DK 1175670T4 DK 00922036 T DK00922036 T DK 00922036T DK 00922036 T DK00922036 T DK 00922036T DK 1175670 T4 DK1175670 T4 DK 1175670T4
- Authority
- DK
- Denmark
- Prior art keywords
- symbols
- audio coding
- unequal length
- gain adaptive
- adaptive quantification
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 238000011002 quantification Methods 0.000 title 1
Classifications
-
- 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
- G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—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 using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
- G10L19/0208—Subband vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29357799A | 1999-04-16 | 1999-04-16 | |
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 (2)
Publication Number | Publication Date |
---|---|
DK1175670T3 DK1175670T3 (da) | 2004-10-11 |
DK1175670T4 true DK1175670T4 (da) | 2007-11-19 |
Family
ID=26968028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK00922036T DK1175670T4 (da) | 1999-04-16 | 2000-04-11 | Audiokodning ved hjælp af forstærkningsadaptiv kvantificering og symboler med uensartet længde |
Country Status (17)
Country | Link |
---|---|
EP (1) | EP1175670B2 (ko) |
JP (1) | JP4843142B2 (ko) |
KR (1) | KR100893281B1 (ko) |
CN (1) | CN1158646C (ko) |
AR (1) | AR023444A1 (ko) |
AT (1) | ATE269574T1 (ko) |
AU (1) | AU771454B2 (ko) |
BR (1) | BRPI0010672B1 (ko) |
CA (1) | CA2368453C (ko) |
DE (1) | DE60011606T3 (ko) |
DK (1) | DK1175670T4 (ko) |
ES (1) | ES2218148T5 (ko) |
HK (1) | HK1045747B (ko) |
MX (1) | MXPA01010447A (ko) |
MY (1) | MY122486A (ko) |
TW (1) | TW536692B (ko) |
WO (1) | WO2000063886A1 (ko) |
Families Citing this family (13)
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 |
DE102004007191B3 (de) | 2004-02-13 | 2005-09-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierung |
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 |
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 |
WO2008108701A1 (en) * | 2007-03-02 | 2008-09-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Postfilter for layered codecs |
US20120029926A1 (en) | 2010-07-30 | 2012-02-02 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals |
US9208792B2 (en) | 2010-08-17 | 2015-12-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for noise injection |
KR20140057683A (ko) * | 2011-08-29 | 2014-05-13 | 주식회사 아이벡스피티홀딩스 | 머지 모드에서 영상 부호화 방법 |
ES2970676T3 (es) * | 2012-12-13 | 2024-05-30 | Fraunhofer Ges Forschung | Dispositivo de codificación de audio vocal, dispositivo de decodificación de audio vocal, procedimiento decodificación de audio vocal, y procedimiento de decodificación de audio vocal |
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 |
WO1995032499A1 (fr) * | 1994-05-25 | 1995-11-30 | Sony Corporation | Procede de codage, procede de decodage, procede de codage-decodage, codeur, decodeur et codeur-decodeur |
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 AT AT00922036T patent/ATE269574T1/de active
- 2000-04-11 TW TW089106701A patent/TW536692B/zh not_active IP Right Cessation
- 2000-04-11 BR BRPI0010672A patent/BRPI0010672B1/pt active IP Right Grant
- 2000-04-11 WO PCT/US2000/009604 patent/WO2000063886A1/en active IP Right Grant
- 2000-04-11 EP EP00922036A patent/EP1175670B2/en not_active Expired - Lifetime
- 2000-04-11 CA CA002368453A patent/CA2368453C/en not_active Expired - Lifetime
- 2000-04-11 ES ES00922036T patent/ES2218148T5/es not_active Expired - Lifetime
- 2000-04-11 DE DE60011606T patent/DE60011606T3/de not_active Expired - Lifetime
- 2000-04-11 KR KR1020017013223A patent/KR100893281B1/ko active IP Right Grant
- 2000-04-11 MX MXPA01010447A patent/MXPA01010447A/es active IP Right Grant
- 2000-04-11 DK DK00922036T patent/DK1175670T4/da active
- 2000-04-11 JP JP2000612930A patent/JP4843142B2/ja not_active Expired - Lifetime
- 2000-04-11 AU AU42279/00A patent/AU771454B2/en not_active Expired
- 2000-04-11 AR ARP000101655A patent/AR023444A1/es active IP Right Grant
- 2000-04-11 CN CNB008063303A patent/CN1158646C/zh not_active Expired - Lifetime
- 2000-04-14 MY MYPI20001607A patent/MY122486A/en unknown
-
2002
- 2002-10-03 HK HK02107256.2A patent/HK1045747B/zh unknown
Also Published As
Publication number | Publication date |
---|---|
TW536692B (en) | 2003-06-11 |
DE60011606T3 (de) | 2008-01-24 |
ES2218148T5 (es) | 2008-02-16 |
DK1175670T3 (da) | 2004-10-11 |
ATE269574T1 (de) | 2004-07-15 |
CA2368453C (en) | 2009-12-08 |
MXPA01010447A (es) | 2002-07-30 |
EP1175670B1 (en) | 2004-06-16 |
CN1347549A (zh) | 2002-05-01 |
CA2368453A1 (en) | 2000-10-26 |
HK1045747B (zh) | 2004-12-31 |
BR0010672A (pt) | 2002-02-19 |
AU4227900A (en) | 2000-11-02 |
AU771454B2 (en) | 2004-03-25 |
HK1045747A1 (en) | 2002-12-06 |
KR100893281B1 (ko) | 2009-04-17 |
MY122486A (en) | 2006-04-29 |
EP1175670B2 (en) | 2007-09-19 |
BRPI0010672B1 (pt) | 2016-06-07 |
AR023444A1 (es) | 2002-09-04 |
WO2000063886A1 (en) | 2000-10-26 |
DE60011606D1 (de) | 2004-07-22 |
KR20010112434A (ko) | 2001-12-20 |
ES2218148T3 (es) | 2004-11-16 |
JP2002542522A (ja) | 2002-12-10 |
JP4843142B2 (ja) | 2011-12-21 |
CN1158646C (zh) | 2004-07-21 |
EP1175670A1 (en) | 2002-01-30 |
DE60011606T2 (de) | 2005-06-23 |
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