TW200611240A - Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering - Google Patents

Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering

Info

Publication number
TW200611240A
TW200611240A TW094127540A TW94127540A TW200611240A TW 200611240 A TW200611240 A TW 200611240A TW 094127540 A TW094127540 A TW 094127540A TW 94127540 A TW94127540 A TW 94127540A TW 200611240 A TW200611240 A TW 200611240A
Authority
TW
Taiwan
Prior art keywords
temporal envelope
frequency domain
audio coding
spatial audio
wiener filtering
Prior art date
Application number
TW094127540A
Other languages
English (en)
Other versions
TWI393120B (zh
Inventor
Mark Stuart Vinton
Alan Jeffrey Seefeldt
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
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of TW200611240A publication Critical patent/TW200611240A/zh
Application granted granted Critical
Publication of TWI393120B publication Critical patent/TWI393120B/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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
TW094127540A 2004-08-25 2005-08-12 用於音訊信號編碼及解碼之方法和系統、音訊信號編碼器、音訊信號解碼器、攜帶有位元流之電腦可讀取媒體、及儲存於電腦可讀取媒體上的電腦程式 TWI393120B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60483604P 2004-08-25 2004-08-25

Publications (2)

Publication Number Publication Date
TW200611240A true TW200611240A (en) 2006-04-01
TWI393120B TWI393120B (zh) 2013-04-11

Family

ID=35636849

Family Applications (3)

Application Number Title Priority Date Filing Date
TW101147783A TWI497485B (zh) 2004-08-25 2005-08-12 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法
TW101147782A TWI498882B (zh) 2004-08-25 2005-08-12 音訊解碼器
TW094127540A TWI393120B (zh) 2004-08-25 2005-08-12 用於音訊信號編碼及解碼之方法和系統、音訊信號編碼器、音訊信號解碼器、攜帶有位元流之電腦可讀取媒體、及儲存於電腦可讀取媒體上的電腦程式

Family Applications Before (2)

Application Number Title Priority Date Filing Date
TW101147783A TWI497485B (zh) 2004-08-25 2005-08-12 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法
TW101147782A TWI498882B (zh) 2004-08-25 2005-08-12 音訊解碼器

Country Status (15)

Country Link
US (3) US8255211B2 (zh)
EP (4) EP3940697B1 (zh)
JP (2) JP5038138B2 (zh)
KR (3) KR101139880B1 (zh)
CN (3) CN102968996B (zh)
AU (2) AU2005280392B2 (zh)
BR (3) BR122018077099B1 (zh)
CA (1) CA2589623C (zh)
ES (3) ES2899286T3 (zh)
IL (3) IL181407A (zh)
MX (1) MX2007001948A (zh)
MY (2) MY163042A (zh)
PL (3) PL1784818T3 (zh)
TW (3) TWI497485B (zh)
WO (1) WO2006026161A2 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8116459B2 (en) 2006-03-28 2012-02-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Enhanced method for signal shaping in multi-channel audio reconstruction

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI497485B (zh) * 2004-08-25 2015-08-21 Dolby Lab Licensing Corp 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法
EP1899958B1 (en) * 2005-05-26 2013-08-07 LG Electronics Inc. Method and apparatus for decoding an audio signal
JP4988717B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
TWI396188B (zh) 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
WO2007046659A1 (en) * 2005-10-20 2007-04-26 Lg Electronics Inc. Method for encoding and decoding multi-channel audio signal and apparatus thereof
CA2636494C (en) * 2006-01-19 2014-02-18 Lg Electronics Inc. Method and apparatus for processing a media signal
JP5173840B2 (ja) * 2006-02-07 2013-04-03 エルジー エレクトロニクス インコーポレイティド 符号化／復号化装置及び方法
ES2377719T3 (es) 2007-07-13 2012-03-30 Dolby Laboratories Licensing Corporation Procesamiento de audio utilizando un análisis de escenas auditivas y oblicuidad espectral.
CN101673545B (zh) * 2008-09-12 2011-11-16 华为技术有限公司 一种编解码方法及装置
EP2214161A1 (en) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for upmixing a downmix audio signal
JP5340378B2 (ja) * 2009-02-26 2013-11-13 パナソニック株式会社 チャネル信号生成装置、音響信号符号化装置、音響信号復号装置、音響信号符号化方法及び音響信号復号方法
JP4932917B2 (ja) * 2009-04-03 2012-05-16 株式会社エヌ・ティ・ティ・ドコモ 音声復号装置、音声復号方法、及び音声復号プログラム
CA2793140C (en) 2010-04-09 2016-05-31 Dolby International Ab Mdct-based complex prediction stereo coding
WO2012037515A1 (en) 2010-09-17 2012-03-22 Xiph. Org. Methods and systems for adaptive time-frequency resolution in digital data coding
EP2469741A1 (en) * 2010-12-21 2012-06-27 Thomson Licensing Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
WO2012093290A1 (en) * 2011-01-05 2012-07-12 Nokia Corporation Multi-channel encoding and/or decoding
US9015042B2 (en) 2011-03-07 2015-04-21 Xiph.org Foundation Methods and systems for avoiding partial collapse in multi-block audio coding
US8838442B2 (en) 2011-03-07 2014-09-16 Xiph.org Foundation Method and system for two-step spreading for tonal artifact avoidance in audio coding
US9009036B2 (en) 2011-03-07 2015-04-14 Xiph.org Foundation Methods and systems for bit allocation and partitioning in gain-shape vector quantization for audio coding
BR112015002793B1 (pt) * 2012-08-10 2021-12-07 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V Codificador, decodificador, sistema e método empregando um conceito residual para codificação de objeto de áudio paramétrico
WO2014161996A2 (en) * 2013-04-05 2014-10-09 Dolby International Ab Audio processing system
EP2830064A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
JP6035270B2 (ja) * 2014-03-24 2016-11-30 株式会社Ｎｔｔドコモ 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム
RU2744485C1 (ru) * 2017-10-27 2021-03-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Ослабление шума в декодере
JP7092047B2 (ja) * 2019-01-17 2022-06-28 日本電信電話株式会社 符号化復号方法、復号方法、これらの装置及びプログラム
CA3240986A1 (en) * 2021-12-20 2023-06-29 Dolby International Ab Ivas spar filter bank in qmf domain
KR102446720B1 (ko) * 2022-02-18 2022-09-26 오드컨셉 주식회사 이미지 복원 모델, 및 이미지 복원 모델의 학습 방법
KR102423552B1 (ko) * 2022-02-28 2022-07-21 오드컨셉 주식회사 적대적 생성 신경망으로 구성된 상품 이미지 복원 및 합성 모델, 및 상품 이미지 복원 및 합성 모델의 학습 방법

Family Cites Families (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4875095A (en) * 1987-06-30 1989-10-17 Kokusai Denshin Denwa Kabushiki Kaisha Noise-shaping predictive coding system
US4943855A (en) * 1988-07-22 1990-07-24 At&T Bell Laboratories Progressive sub-band image coding system
NL9000338A (nl) 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting.
US6289308B1 (en) 1990-06-01 2001-09-11 U.S. Philips Corporation Encoded wideband digital transmission signal and record carrier recorded with such a signal
US5539829A (en) 1989-06-02 1996-07-23 U.S. Philips Corporation Subband coded digital transmission system using some composite signals
AU6723490A (en) * 1989-10-11 1991-05-16 Cias, Inc. Optimal error-detecting and error-correcting code and apparatus
DE69210689T2 (de) 1991-01-08 1996-11-21 Dolby Lab Licensing Corp Kodierer/dekodierer für mehrdimensionale schallfelder
US5632005A (en) 1991-01-08 1997-05-20 Ray Milton Dolby Encoder/decoder for multidimensional sound fields
NL9100173A (nl) * 1991-02-01 1992-09-01 Philips Nv Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting.
JP2693893B2 (ja) * 1992-03-30 1997-12-24 松下電器産業株式会社 ステレオ音声符号化方法
DE4320990B4 (de) * 1993-06-05 2004-04-29 Robert Bosch Gmbh Verfahren zur Redundanzreduktion
US5623577A (en) * 1993-07-16 1997-04-22 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions
DE4331376C1 (de) * 1993-09-15 1994-11-10 Fraunhofer Ges Forschung Verfahren zum Bestimmen der zu wählenden Codierungsart für die Codierung von wenigstens zwei Signalen
BE1007616A3 (nl) 1993-10-11 1995-08-22 Philips Electronics Nv Transmissiesysteem met vereenvoudigde broncodering.
DE4409368A1 (de) * 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
JP3365874B2 (ja) 1994-10-05 2003-01-14 富士写真フイルム株式会社 キノンジアジドの合成法およびこれを含むポジ型レジスト
US5727119A (en) 1995-03-27 1998-03-10 Dolby Laboratories Licensing Corporation Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase
JP3747492B2 (ja) * 1995-06-20 2006-02-22 ソニー株式会社 音声信号の再生方法及び再生装置
JP4132109B2 (ja) * 1995-10-26 2008-08-13 ソニー株式会社 音声信号の再生方法及び装置、並びに音声復号化方法及び装置、並びに音声合成方法及び装置
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
GB9614209D0 (en) * 1996-07-05 1996-09-04 Univ Manchester Speech synthesis system
JP3259759B2 (ja) * 1996-07-22 2002-02-25 日本電気株式会社 音声信号伝送方法及び音声符号復号化システム
JP4132154B2 (ja) * 1997-10-23 2008-08-13 ソニー株式会社 音声合成方法及び装置、並びに帯域幅拡張方法及び装置
DE19747132C2 (de) * 1997-10-24 2002-11-28 Fraunhofer Ges Forschung Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms
TW382094B (en) * 1997-12-11 2000-02-11 Inventec Corp Base tone synchronous differential coding method and device thereof
US6529730B1 (en) * 1998-05-15 2003-03-04 Conexant Systems, Inc System and method for adaptive multi-rate (AMR) vocoder rate adaption
AU2001288944A1 (en) * 2000-09-08 2002-03-22 Findthedot, Inc. A method and system of connecting printed media to electronic information as a response to a request
US6614365B2 (en) * 2000-12-14 2003-09-02 Sony Corporation Coding device and method, decoding device and method, and recording medium
US7006636B2 (en) 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7116787B2 (en) 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
US20030035553A1 (en) 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US20030187663A1 (en) 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
JP4399185B2 (ja) * 2002-04-11 2010-01-13 パナソニック株式会社 符号化装置および復号化装置
WO2003085644A1 (en) * 2002-04-11 2003-10-16 Matsushita Electric Industrial Co., Ltd. Encoding device and decoding device
US7215787B2 (en) 2002-04-17 2007-05-08 Dirac Research Ab Digital audio precompensation
CN1307612C (zh) 2002-04-22 2007-03-28 皇家飞利浦电子股份有限公司 声频信号的编码解码方法、编码器、解码器及相关设备
DE60311794C5 (de) 2002-04-22 2022-11-10 Koninklijke Philips N.V. Signalsynthese
ATE332003T1 (de) 2002-04-22 2006-07-15 Koninkl Philips Electronics Nv Parametrische beschreibung von mehrkanal-audio
US20040086130A1 (en) * 2002-05-03 2004-05-06 Eid Bradley F. Multi-channel sound processing systems
ATE377339T1 (de) * 2002-07-12 2007-11-15 Koninkl Philips Electronics Nv Audio-kodierung
JP4649208B2 (ja) * 2002-07-16 2011-03-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオコーディング
US20040083417A1 (en) * 2002-10-29 2004-04-29 Lane Richard D. Multimedia transmission using variable error coding rate based on data importance
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
EP1914722B1 (en) * 2004-03-01 2009-04-29 Dolby Laboratories Licensing Corporation Multichannel audio decoding
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
US7391870B2 (en) * 2004-07-09 2008-06-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V Apparatus and method for generating a multi-channel output signal
KR101283525B1 (ko) * 2004-07-14 2013-07-15 돌비 인터네셔널 에이비 오디오 채널 변환
TWI497485B (zh) 2004-08-25 2015-08-21 Dolby Lab Licensing Corp 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法
US10113858B2 (en) 2015-08-19 2018-10-30 Medlumics S.L. Distributed delay-line for low-coherence interferometry
US9996281B2 (en) 2016-03-04 2018-06-12 Western Digital Technologies, Inc. Temperature variation compensation
CN113535073B (zh) 2020-04-22 2024-04-16 伊姆西Ip控股有限责任公司 管理存储单元的方法、电子设备和计算机可读存储介质

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8116459B2 (en) 2006-03-28 2012-02-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Enhanced method for signal shaping in multi-channel audio reconstruction

Also Published As

Publication number Publication date
MY151318A (en) 2014-05-15
IL214135A (en) 2015-10-29
PL1784818T3 (pl) 2018-04-30
US20080046253A1 (en) 2008-02-21
CN102270453B (zh) 2014-06-18
JP2008511040A (ja) 2008-04-10
AU2011200680A1 (en) 2011-03-10
TWI497485B (zh) 2015-08-21
CA2589623C (en) 2014-10-28
BR122018077099B1 (pt) 2020-11-10
ES2923661T3 (es) 2022-09-29
AU2005280392B2 (en) 2011-02-24
US20080033731A1 (en) 2008-02-07
BR122018077089B1 (pt) 2020-11-10
EP3279893A1 (en) 2018-02-07
AU2011200680B2 (en) 2012-05-24
ES2899286T3 (es) 2022-03-10
AU2005280392A1 (en) 2006-03-09
CN102968996B (zh) 2015-06-10
CN102270453A (zh) 2011-12-07
EP3940697A1 (en) 2022-01-19
TWI498882B (zh) 2015-09-01
CN101006494A (zh) 2007-07-25
EP4036914A1 (en) 2022-08-03
CN102968996A (zh) 2013-03-13
IL201469A (en) 2012-07-31
MX2007001948A (es) 2007-04-23
AU2011200680C1 (en) 2013-03-14
KR20110069179A (ko) 2011-06-22
CA2589623A1 (en) 2006-03-09
TWI393120B (zh) 2013-04-11
KR101139880B1 (ko) 2012-05-02
US7945449B2 (en) 2011-05-17
BRPI0514650B1 (pt) 2019-09-24
KR101253699B1 (ko) 2013-04-12
KR20070051860A (ko) 2007-05-18
IL214135A0 (en) 2011-08-31
IL201469A0 (en) 2011-07-31
JP5292498B2 (ja) 2013-09-18
CN101006494B (zh) 2011-09-07
TW201333933A (zh) 2013-08-16
JP2012177939A (ja) 2012-09-13
US8255211B2 (en) 2012-08-28
EP3940697B1 (en) 2022-06-22
MY163042A (en) 2017-07-31
EP3279893B1 (en) 2021-09-22
KR20120006077A (ko) 2012-01-17
PL3279893T3 (pl) 2022-02-07
ES2658824T3 (es) 2018-03-12
US20080040103A1 (en) 2008-02-14
PL3940697T3 (pl) 2022-08-22
EP1784818B1 (en) 2017-11-15
WO2006026161A3 (en) 2006-05-04
BR122018077089B8 (pt) 2021-01-05
IL181407A0 (en) 2007-07-04
EP1784818A2 (en) 2007-05-16
IL181407A (en) 2011-10-31
BRPI0514650A (pt) 2008-06-24
WO2006026161A2 (en) 2006-03-09
JP5038138B2 (ja) 2012-10-03
TW201316327A (zh) 2013-04-16

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