MY122486A - Using gain-adaptive quantization and non-uniform symbol lengths for audio coding - Google Patents

Using gain-adaptive quantization and non-uniform symbol lengths for audio coding

Info

Publication number
MY122486A
MY122486A MYPI20001607A MYPI20001607A MY122486A MY 122486 A MY122486 A MY 122486A MY PI20001607 A MYPI20001607 A MY PI20001607A MY PI20001607 A MYPI20001607 A MY PI20001607A MY 122486 A MY122486 A MY 122486A
Authority
MY
Malaysia
Prior art keywords
gain
coding
adaptive quantization
uniform length
huffman coding
Prior art date
Application number
MYPI20001607A
Other languages
English (en)
Inventor
Grant Allen Davidson
Charles Quito Robinson
Michael M Truman
Original Assignee
Dolby Lab 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=MY122486(A) "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 Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of MY122486A publication Critical patent/MY122486A/en

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)
MYPI20001607A 1999-04-16 2000-04-14 Using gain-adaptive quantization and non-uniform symbol lengths for audio coding MY122486A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
MY122486A true MY122486A (en) 2006-04-29

Family

ID=26968028

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20001607A MY122486A (en) 1999-04-16 2000-04-14 Using gain-adaptive quantization and non-uniform symbol lengths for audio coding

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)

* 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
DE102004007191B3 (de) 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
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
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
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
CN104883576B (zh) * 2011-08-29 2017-11-14 苗太平洋控股有限公司 以amvp模式产生预测区块的方法
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
EP0717392B1 (en) * 1994-05-25 2001-08-16 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
DK1175670T3 (da) 2004-10-11
EP1175670A1 (en) 2002-01-30
DK1175670T4 (da) 2007-11-19
DE60011606T3 (de) 2008-01-24
AU4227900A (en) 2000-11-02
JP4843142B2 (ja) 2011-12-21
WO2000063886A1 (en) 2000-10-26
CA2368453A1 (en) 2000-10-26
KR20010112434A (ko) 2001-12-20
DE60011606D1 (de) 2004-07-22
ES2218148T5 (es) 2008-02-16
TW536692B (en) 2003-06-11
EP1175670B2 (en) 2007-09-19
KR100893281B1 (ko) 2009-04-17
CN1347549A (zh) 2002-05-01
AU771454B2 (en) 2004-03-25
HK1045747A1 (en) 2002-12-06
MXPA01010447A (es) 2002-07-30
ATE269574T1 (de) 2004-07-15
ES2218148T3 (es) 2004-11-16
HK1045747B (zh) 2004-12-31
BRPI0010672B1 (pt) 2016-06-07
EP1175670B1 (en) 2004-06-16
CA2368453C (en) 2009-12-08
JP2002542522A (ja) 2002-12-10
BR0010672A (pt) 2002-02-19
DE60011606T2 (de) 2005-06-23
AR023444A1 (es) 2002-09-04
CN1158646C (zh) 2004-07-21

Similar Documents

Publication Publication Date Title
MY122486A (en) Using gain-adaptive quantization and non-uniform symbol lengths for audio coding
US6269338B1 (en) Data compression and expansion of an audio signal
EP0720307A3 (en) Digital audio signal coding and/or decoding method
AU2019201596B2 (en) Coding and decoding of spectral peak positions
WO2004021710A3 (de) Vorrichtung und verfahren zum skalierbaren codieren und vorrichtung und verfahren zum skalierbaren decodieren eines audiosignales
ES2096481T3 (es) Asignacion binaria adaptable eficaz desde el punto de vista del calculo para metodo y aparato codificador.
CA2356869A1 (en) Method and devices for coding or decoding an audio signal or bit stream
MY137149A (en) Improved low bit-rate audio coding systems and methods that use expanding quantizers with arithmetic coding
ATE147908T1 (de) Hybride adaptive bitzuteilung für audiokoder und -dekoder
CA2317322A1 (en) Method and apparatus for sub-band coding and decoding
NZ502342A (en) Apparatus and method for entropy coding in the processing of signals
EP1638082A3 (en) Digital content playback apparatus
US7225136B2 (en) Data compression and expansion of an audio signal
CN106228981B (zh) 一种基于压缩域的mp3自适应隐写方法
CA2314421A1 (en) Subband encoding and decoding system for data compression and decompression
KR100647192B1 (ko) 데이터의 복원 시간을 단축하는 데이터 압축 장치 및 그방법
CN101908888B (zh) 反量化处理方法与装置
Erez et al. Additive noise channels with side information at the transmitter
Xiao et al. A lossless audio compression software for Windows application
Saha et al. Audio compression technology for voice transmission.
Krivoulets Efficient entropy coding for image compression
Huang Effect of Hop Rate on Speech Signal Quality Based on Partial-Band Noise Jamming
Komatsu et al. High-fidelity subband coding for superhigh-resolution images
Laurenti Sources of digital information
Jeanne et al. Distributed source coding: comparison of two methods close to the Wyner-Ziv bound