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DE60011606D1 - AUDIO CODING WITH AMPLIFICATION ADAPTIVE QUANTIZATION AND SYMBOLS OF VARIOUS LENGTH - Google Patents

AUDIO CODING WITH AMPLIFICATION ADAPTIVE QUANTIZATION AND SYMBOLS OF VARIOUS LENGTH

Info

Publication number
DE60011606D1
DE60011606D1 DE60011606T DE60011606T DE60011606D1 DE 60011606 D1 DE60011606 D1 DE 60011606D1 DE 60011606 T DE60011606 T DE 60011606T DE 60011606 T DE60011606 T DE 60011606T DE 60011606 D1 DE60011606 D1 DE 60011606D1
Authority
DE
Germany
Prior art keywords
symbols
audio coding
adaptive quantization
various length
amplification
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.)
Expired - Lifetime
Application number
DE60011606T
Other languages
German (de)
Other versions
DE60011606T2 (en
DE60011606T3 (en
Inventor
Allen Davidson
Quito Robinson
Mead Truman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26968028&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60011606(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/349,645 external-priority patent/US6246345B1/en
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of DE60011606D1 publication Critical patent/DE60011606D1/en
Publication of DE60011606T2 publication Critical patent/DE60011606T2/en
Application granted granted Critical
Publication of DE60011606T3 publication Critical patent/DE60011606T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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)
DE60011606T 1999-04-16 2000-04-11 AUDIO CODING WITH REINFORCEMENT ADAPTIVE QUANTIZATION AND SYMBOLS OF DIFFERENT LENGTH Expired - Lifetime DE60011606T3 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US29357799A 1999-04-16 1999-04-16
US293577 1999-04-16
US349645 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
DE60011606D1 true DE60011606D1 (en) 2004-07-22
DE60011606T2 DE60011606T2 (en) 2005-06-23
DE60011606T3 DE60011606T3 (en) 2008-01-24

Family

ID=26968028

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60011606T Expired - Lifetime DE60011606T3 (en) 1999-04-16 2000-04-11 AUDIO CODING WITH REINFORCEMENT ADAPTIVE QUANTIZATION AND SYMBOLS OF DIFFERENT LENGTH

Country Status (17)

Country Link
EP (1) EP1175670B2 (en)
JP (1) JP4843142B2 (en)
KR (1) KR100893281B1 (en)
CN (1) CN1158646C (en)
AR (1) AR023444A1 (en)
AT (1) ATE269574T1 (en)
AU (1) AU771454B2 (en)
BR (1) BRPI0010672B1 (en)
CA (1) CA2368453C (en)
DE (1) DE60011606T3 (en)
DK (1) DK1175670T4 (en)
ES (1) ES2218148T5 (en)
HK (1) HK1045747B (en)
MX (1) MXPA01010447A (en)
MY (1) MY122486A (en)
TW (1) TW536692B (en)
WO (1) WO2000063886A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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
DE102004007200B3 (en) 2004-02-13 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device for audio encoding has device for using filter to obtain scaled, filtered audio value, device for quantizing it to obtain block of quantized, scaled, filtered audio values and device for including information in coded signal
DE102004007184B3 (en) * 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for quantizing an information signal
DE102004007191B3 (en) 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding
CN100486332C (en) * 2005-11-17 2009-05-06 广达电脑股份有限公司 Method and apparatus for synthesized subband filtering
MX2008010836A (en) * 2006-02-24 2008-11-26 France Telecom Method for binary coding of quantization indices of a signal envelope, method for decoding a signal envelope and corresponding coding and decoding modules.
DE102006022346B4 (en) * 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Information signal coding
KR101482199B1 (en) * 2006-07-24 2015-01-14 마벨 월드 트레이드 리미티드 Magnetic and optical rotating storage systems with audio monitoring
ATE548727T1 (en) * 2007-03-02 2012-03-15 Ericsson Telefon Ab L M POST-FILTER 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
KR101492104B1 (en) * 2011-08-29 2015-02-11 주식회사 아이벡스피티홀딩스 Apparatus of decoding moving pictures
EP3457400B1 (en) * 2012-12-13 2023-08-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Voice audio encoding device, voice audio decoding device, voice audio encoding method, and voice audio decoding method
CN114420152B (en) * 2021-12-08 2025-07-08 深圳市东微智能科技股份有限公司 Sound frequency band adjusting method, device, equipment and storage medium
CN116366411B (en) * 2023-03-28 2024-03-08 扬州宇安电子科技有限公司 Multi-bit signal quantization self-adaptive threshold generation and quantization method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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 (en) * 1994-05-25 1996-08-31 이데이 노부유키 Encoding method, decoding method, encoding / decoding method, encoding apparatus, decoding apparatus, and encoding / decoding apparatus (Encoding method, decoding method, encoding / decoding method, encoding apparatus, decoding apparatus, and encoding / decoding apparatus)
JP3307138B2 (en) * 1995-02-27 2002-07-24 ソニー株式会社 Signal encoding method and apparatus, and signal decoding method and apparatus
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

Also Published As

Publication number Publication date
WO2000063886A1 (en) 2000-10-26
ATE269574T1 (en) 2004-07-15
JP2002542522A (en) 2002-12-10
HK1045747A1 (en) 2002-12-06
BR0010672A (en) 2002-02-19
HK1045747B (en) 2004-12-31
TW536692B (en) 2003-06-11
BRPI0010672B1 (en) 2016-06-07
DK1175670T3 (en) 2004-10-11
EP1175670B1 (en) 2004-06-16
EP1175670B2 (en) 2007-09-19
JP4843142B2 (en) 2011-12-21
DK1175670T4 (en) 2007-11-19
KR100893281B1 (en) 2009-04-17
MXPA01010447A (en) 2002-07-30
KR20010112434A (en) 2001-12-20
CN1158646C (en) 2004-07-21
EP1175670A1 (en) 2002-01-30
CN1347549A (en) 2002-05-01
AU771454B2 (en) 2004-03-25
DE60011606T2 (en) 2005-06-23
AR023444A1 (en) 2002-09-04
ES2218148T3 (en) 2004-11-16
AU4227900A (en) 2000-11-02
DE60011606T3 (en) 2008-01-24
MY122486A (en) 2006-04-29
ES2218148T5 (en) 2008-02-16
CA2368453C (en) 2009-12-08
CA2368453A1 (en) 2000-10-26

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Legal Events

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8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings