ATE511691T1 - Auf virtuellen quellenpositionsinformationen basierte quantisierung und dequantisierung von kanalniveauunterschieden - Google Patents

Auf virtuellen quellenpositionsinformationen basierte quantisierung und dequantisierung von kanalniveauunterschieden

Info

Publication number
ATE511691T1
ATE511691T1 AT06783342T AT06783342T ATE511691T1 AT E511691 T1 ATE511691 T1 AT E511691T1 AT 06783342 T AT06783342 T AT 06783342T AT 06783342 T AT06783342 T AT 06783342T AT E511691 T1 ATE511691 T1 AT E511691T1
Authority
AT
Austria
Prior art keywords
quantization
dequantization
audio signal
cld
virtual source
Prior art date
Application number
AT06783342T
Other languages
English (en)
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
Original Assignee
Korea Electronics Telecomm
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 Korea Electronics Telecomm filed Critical Korea Electronics Telecomm
Priority claimed from PCT/KR2006/002824 external-priority patent/WO2007011157A1/en
Application granted granted Critical
Publication of ATE511691T1 publication Critical patent/ATE511691T1/de

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
    • G10L19/008—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
    • G10L19/032—Quantisation or dequantisation of spectral components

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT06783342T 2005-07-19 2006-07-19 Auf virtuellen quellenpositionsinformationen basierte quantisierung und dequantisierung von kanalniveauunterschieden ATE511691T1 (de)

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 (en) 2005-07-19 2006-07-19 Virtual source location information based channel level difference quantization and dequantization method

Publications (1)

Publication Number Publication Date
ATE511691T1 true ATE511691T1 (de) 2011-06-15

Family

ID=38012181

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06783342T ATE511691T1 (de) 2005-07-19 2006-07-19 Auf virtuellen quellenpositionsinformationen basierte quantisierung und dequantisierung von kanalniveauunterschieden

Country Status (4)

Country Link
JP (1) JP4685165B2 (de)
KR (1) KR100755471B1 (de)
CN (1) CN101223598B (de)
AT (1) ATE511691T1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101689368B (zh) * 2007-03-30 2012-08-22 韩国电子通信研究院 对具有多声道的多对象音频信号进行编码和解码的设备和方法
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
KR101268616B1 (ko) * 2008-07-14 2013-05-29 한국전자통신연구원 오디오 채널 코딩의 성능 향상을 위한 채널간 정보 파라미터 양자화 방법 및 그 장치
KR101613975B1 (ko) * 2009-08-18 2016-05-02 삼성전자주식회사 멀티 채널 오디오 신호의 부호화 방법 및 장치, 그 복호화 방법 및 장치
WO2011097903A1 (zh) 2010-02-11 2011-08-18 华为技术有限公司 多声道信号编码、解码方法、装置及编解码系统
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
JP5533502B2 (ja) * 2010-09-28 2014-06-25 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
KR20120038311A (ko) 2010-10-13 2012-04-23 삼성전자주식회사 공간 파라미터 부호화 장치 및 방법，그리고 공간 파라미터 복호화 장치 및 방법
CN103493127B (zh) * 2012-04-05 2015-03-11 华为技术有限公司 用于参数空间音频编码和解码的方法、参数空间音频编码器和参数空间音频解码器
CN104464742B (zh) * 2014-12-31 2017-07-11 武汉大学 一种3d音频空间参数全方位非均匀量化编码系统及方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3664416B2 (ja) * 1996-06-18 2005-06-29 Ｙｋｋ Ａｐ株式会社 建物の柵構造
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
US6446037B1 (en) * 1999-08-09 2002-09-03 Dolby Laboratories Licensing Corporation Scalable coding method for high quality audio
JP3582589B2 (ja) * 2001-03-07 2004-10-27 日本電気株式会社 音声符号化装置及び音声復号化装置
KR100378796B1 (ko) * 2001-04-03 2003-04-03 엘지전자 주식회사 디지탈 오디오 부호화기 및 복호화 방법
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
ES2323294T3 (es) * 2002-04-22 2009-07-10 Koninklijke Philips Electronics N.V. Dispositivo de decodificacion con una unidad de decorrelacion.
KR100923297B1 (ko) * 2002-12-14 2009-10-23 삼성전자주식회사 스테레오 오디오 부호화 방법, 그 장치, 복호화 방법 및그 장치
KR100773539B1 (ko) * 2004-07-14 2007-11-05 삼성전자주식회사 멀티채널 오디오 데이터 부호화/복호화 방법 및 장치

Also Published As

Publication number Publication date
CN101223598A (zh) 2008-07-16
KR20070011136A (ko) 2007-01-24
JP2009502086A (ja) 2009-01-22
KR100755471B1 (ko) 2007-09-05
CN101223598B (zh) 2011-07-20
JP4685165B2 (ja) 2011-05-18

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