EP1905034A4 - Procede de quantification et de dequantification de la difference de niveaux de canal basee sur les informations de localisation de sources virtuelles - Google Patents

Procede de quantification et de dequantification de la difference de niveaux de canal basee sur les informations de localisation de sources virtuelles

Info

Publication number
EP1905034A4
EP1905034A4 EP06783342A EP06783342A EP1905034A4 EP 1905034 A4 EP1905034 A4 EP 1905034A4 EP 06783342 A EP06783342 A EP 06783342A EP 06783342 A EP06783342 A EP 06783342A EP 1905034 A4 EP1905034 A4 EP 1905034A4
Authority
EP
European Patent Office
Prior art keywords
location information
information based
level difference
source location
virtual source
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.)
Granted
Application number
EP06783342A
Other languages
German (de)
English (en)
Other versions
EP1905034A1 (fr
EP1905034B1 (fr
Inventor
Jeong Il Seo
Kyeong Ok Kang
Jin Woo Hong
Kwang Ki Kim
Seung Kwon Beack
Min Soo Hahn
Sang Bae Chon
Koeng Mo Sung
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.)
Electronics and Telecommunications Research Institute ETRI
Original Assignee
Electronics and Telecommunications Research Institute ETRI
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
Priority claimed from KR1020060066822A external-priority patent/KR100755471B1/ko
Application filed by Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI
Publication of EP1905034A1 publication Critical patent/EP1905034A1/fr
Publication of EP1905034A4 publication Critical patent/EP1905034A4/fr
Application granted granted Critical
Publication of EP1905034B1 publication Critical patent/EP1905034B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing

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)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP06783342A 2005-07-19 2006-07-19 Quantification et dequantification de la difference de niveaux de canal basee sur les informations de localisation de sources virtuelles Not-in-force EP1905034B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20050065515 2005-07-19
KR20050096256 2005-10-12
KR1020060066822A KR100755471B1 (ko) 2005-07-19 2006-07-18 가상음원위치정보에 기반한 채널간 크기 차이 양자화 및역양자화 방법
PCT/KR2006/002824 WO2007011157A1 (fr) 2005-07-19 2006-07-19 Procede de quantification et de dequantification de la difference de niveaux de canal basee sur les informations de localisation de sources virtuelles

Publications (3)

Publication Number Publication Date
EP1905034A1 EP1905034A1 (fr) 2008-04-02
EP1905034A4 true EP1905034A4 (fr) 2009-11-25
EP1905034B1 EP1905034B1 (fr) 2011-06-01

Family

ID=37669008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06783342A Not-in-force EP1905034B1 (fr) 2005-07-19 2006-07-19 Quantification et dequantification de la difference de niveaux de canal basee sur les informations de localisation de sources virtuelles

Country Status (2)

Country Link
EP (1) EP1905034B1 (fr)
WO (1) WO2007011157A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5098458B2 (ja) * 2007-06-20 2012-12-12 カシオ計算機株式会社 音声符号化装置、音声符号化方法、及び、プログラム
KR101613975B1 (ko) 2009-08-18 2016-05-02 삼성전자주식회사 멀티 채널 오디오 신호의 부호화 방법 및 장치, 그 복호화 방법 및 장치
CN102157151B (zh) 2010-02-11 2012-10-03 华为技术有限公司 一种多声道信号编码方法、解码方法、装置和系统
WO2011097903A1 (fr) 2010-02-11 2011-08-18 华为技术有限公司 Procédé et dispositif de codage et de décodage de signal multicanal, et système de codage-décodage
US9456289B2 (en) 2010-11-19 2016-09-27 Nokia Technologies Oy Converting multi-microphone captured signals to shifted signals useful for binaural signal processing and use thereof
US9055371B2 (en) 2010-11-19 2015-06-09 Nokia Technologies Oy Controllable playback system offering hierarchical playback options
US9313599B2 (en) * 2010-11-19 2016-04-12 Nokia Technologies Oy Apparatus and method for multi-channel signal playback
PL2740222T3 (pl) 2011-08-04 2015-08-31 Dolby Int Ab Usprawniony stereofoniczny radiowy odbiornik FM poprzez użycie stereo parametrycznego
WO2013150341A1 (fr) 2012-04-05 2013-10-10 Nokia Corporation Appareil de capture d'élément audio spatial flexible
US10635383B2 (en) 2013-04-04 2020-04-28 Nokia Technologies Oy Visual audio processing apparatus
EP2997573A4 (fr) 2013-05-17 2017-01-18 Nokia Technologies OY Appareil audio orienté objet spatial
GB2575632A (en) * 2018-07-16 2020-01-22 Nokia Technologies Oy Sparse quantization of spatial audio parameters
GB2593672A (en) * 2020-03-23 2021-10-06 Nokia Technologies Oy Switching between audio instances

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
US8340302B2 (en) * 2002-04-22 2012-12-25 Koninklijke Philips Electronics N.V. Parametric representation of spatial audio
JP4212591B2 (ja) * 2003-06-30 2009-01-21 富士通株式会社 オーディオ符号化装置

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
FALLER C ET AL: "BINAURAL CUE CODING APPLIED TO STEREO AND MULTI-CHANNEL AUDIO COMPRESSION", PREPRINTS OF PAPERS PRESENTED AT THE AES CONVENTION, XX, XX, vol. 112, no. 5574, 10 May 2002 (2002-05-10), XP009024737 *
JEONGIL SEO ET AL: "A New Cue Parameter for Spatial Audio Coding", JOINT VIDEO TEAM (JVT) OF ISO/IEC MPEG & ITU-T VCEG(ISO/IEC JTC1/SC29/WG11 AND ITU-T SG16 Q6), XX, XX, no. M11264, 13 October 2004 (2004-10-13), XP030040038 *
KWANKI KIM ET AL: "Improved Channel Level Difference Quantization for Spatial Audio Coding", ETRI JOURNAL, vol. 29, no. 1, February 2007 (2007-02-01), pages 99 - 102, XP002549876, Retrieved from the Internet <URL:http://etrij.etri.re.kr/Cyber/servlet/BrowseAbstract?paperid=LP0608-0149> [retrieved on 20091012] *
See also references of WO2007011157A1 *
VAN DER WAAL R G ET AL: "Subband coding of stereophonic digital audio signals", SPEECH PROCESSING 1. TORONTO, MAY 14 - 17, 1991; [INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH & SIGNAL PROCESSING. ICASSP], NEW YORK, IEEE, US, vol. CONF. 16, 14 April 1991 (1991-04-14), pages 3601 - 3604, XP010043648, ISBN: 9780780300033 *

Also Published As

Publication number Publication date
WO2007011157A1 (fr) 2007-01-25
EP1905034A1 (fr) 2008-04-02
EP1905034B1 (fr) 2011-06-01

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