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
Other languages
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
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=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

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

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
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
KR101364979B1 (ko) * 2006-02-24 2014-02-20 오렌지 신호 엔벨로프의 양자화 인덱스들의 이진 코딩 방법과 신호엔벨로프의 디코딩 방법, 및 대응하는 코딩 모듈과 디코딩모듈
DE102006022346B4 (de) 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalcodierung
WO2008013672A2 (en) * 2006-07-24 2008-01-31 Marvell World Trade Ltd. Magnetic and optical rotating storage systems with audio monitoring
JP5255575B2 (ja) * 2007-03-02 2013-08-07 テレフオンアクチーボラゲット エル エム エリクソン（パブル） レイヤード・コーデックのためのポストフィルタ
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
MX365013B (es) * 2011-08-29 2019-05-20 Ibex Pt Holdings Co Ltd Metodo para generar un bloque de prediccion en modo de prediccion de vector de movimiento avanzada (amvp).
JP6535466B2 (ja) 2012-12-13 2019-06-26 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 音声音響符号化装置、音声音響復号装置、音声音響符号化方法及び音声音響復号方法
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
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

Also Published As

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

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