HK1045747B - 在音頻編碼中應用增益自適應量化和變長碼 - Google Patents

在音頻編碼中應用增益自適應量化和變長碼 Download PDF

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Publication number
HK1045747B
HK1045747B HK02107256.2A HK02107256A HK1045747B HK 1045747 B HK1045747 B HK 1045747B HK 02107256 A HK02107256 A HK 02107256A HK 1045747 B HK1045747 B HK 1045747B
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HK
Hong Kong
Prior art keywords
components
signal
subband
gain factor
quantized
Prior art date
Application number
HK02107256.2A
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English (en)
Chinese (zh)
Other versions
HK1045747A1 (en
Inventor
格兰特‧阿伦‧大卫森
格蘭特‧阿倫‧大衛森
查尔斯‧奎托‧罗宾逊
米切尔‧米德‧特鲁门
查爾斯‧奎托‧羅賓遜
米切爾‧米德‧特魯門
Original Assignee
多尔拜实验特许公司
多爾拜實驗特許公司
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.)
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Publication date
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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=HK1045747(B) "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 多尔拜实验特许公司, 多爾拜實驗特許公司 filed Critical 多尔拜实验特许公司
Publication of HK1045747A1 publication Critical patent/HK1045747A1/xx
Publication of HK1045747B publication Critical patent/HK1045747B/zh

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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
    • G10L19/0204—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
    • 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

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)
HK02107256.2A 1999-04-16 2000-04-11 在音頻編碼中應用增益自適應量化和變長碼 HK1045747B (zh)

Applications Claiming Priority (4)

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
US09/349,645 1999-07-08
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
HK1045747A1 HK1045747A1 (en) 2002-12-06
HK1045747B true HK1045747B (zh) 2004-12-31

Family

ID=26968028

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02107256.2A HK1045747B (zh) 1999-04-16 2000-04-11 在音頻編碼中應用增益自適應量化和變長碼

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)

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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 (de) 2004-02-13 2005-08-11 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
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
WO2007096551A2 (fr) * 2006-02-24 2007-08-30 France Telecom Procede de codage binaire d'indices de quantification d'une enveloppe d'un signal, procede de decodage d'une enveloppe d'un signal et modules de codage et decodage correspondants
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
ATE548727T1 (de) * 2007-03-02 2012-03-15 Ericsson Telefon Ab L M Nachfilter für geschichtete 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
CN107197272B (zh) * 2011-08-29 2019-12-06 苗太平洋控股有限公司 以合并模式对图像编码的方法
CN104838443B (zh) 2012-12-13 2017-09-22 松下电器（美国）知识产权公司 语音声响编码装置、语音声响解码装置、语音声响编码方法及语音声响解码方法
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)

* 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
WO1995032499A1 (en) * 1994-05-25 1995-11-30 Sony Corporation Encoding method, decoding method, encoding-decoding method, encoder, decoder, and encoder-decoder
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

Also Published As

Publication number Publication date
EP1175670B2 (en) 2007-09-19
DK1175670T3 (da) 2004-10-11
TW536692B (en) 2003-06-11
HK1045747A1 (en) 2002-12-06
AR023444A1 (es) 2002-09-04
DE60011606T2 (de) 2005-06-23
CN1347549A (zh) 2002-05-01
ES2218148T5 (es) 2008-02-16
DK1175670T4 (da) 2007-11-19
AU771454B2 (en) 2004-03-25
CA2368453A1 (en) 2000-10-26
DE60011606T3 (de) 2008-01-24
BRPI0010672B1 (pt) 2016-06-07
BR0010672A (pt) 2002-02-19
CN1158646C (zh) 2004-07-21
KR100893281B1 (ko) 2009-04-17
JP2002542522A (ja) 2002-12-10
ES2218148T3 (es) 2004-11-16
KR20010112434A (ko) 2001-12-20
EP1175670A1 (en) 2002-01-30
WO2000063886A1 (en) 2000-10-26
ATE269574T1 (de) 2004-07-15
MXPA01010447A (es) 2002-07-30
JP4843142B2 (ja) 2011-12-21
CA2368453C (en) 2009-12-08
AU4227900A (en) 2000-11-02
EP1175670B1 (en) 2004-06-16
MY122486A (en) 2006-04-29
DE60011606D1 (de) 2004-07-22

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