EP1926082A1 - Procédé de codage échelonnable de signaux stéréo - Google Patents

Procédé de codage échelonnable de signaux stéréo Download PDF

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Publication number
EP1926082A1
EP1926082A1 EP07022523A EP07022523A EP1926082A1 EP 1926082 A1 EP1926082 A1 EP 1926082A1 EP 07022523 A EP07022523 A EP 07022523A EP 07022523 A EP07022523 A EP 07022523A EP 1926082 A1 EP1926082 A1 EP 1926082A1
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EP
European Patent Office
Prior art keywords
signals
center
quantization
quantized
channels
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.)
Withdrawn
Application number
EP07022523A
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German (de)
English (en)
Inventor
Bernhard Dr. Feiten
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.)
Deutsche Telekom AG
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Deutsche Telekom AG
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 Deutsche Telekom AG filed Critical Deutsche Telekom AG
Publication of EP1926082A1 publication Critical patent/EP1926082A1/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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)
  • Mathematical 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)
EP07022523A 2006-11-25 2007-11-20 Procédé de codage échelonnable de signaux stéréo Withdrawn EP1926082A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006055737A DE102006055737A1 (de) 2006-11-25 2006-11-25 Verfahren zur skalierbaren Codierung von Stereo-Signalen

Publications (1)

Publication Number Publication Date
EP1926082A1 true EP1926082A1 (fr) 2008-05-28

Family

ID=39106071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07022523A Withdrawn EP1926082A1 (fr) 2006-11-25 2007-11-20 Procédé de codage échelonnable de signaux stéréo

Country Status (3)

Country Link
US (1) US20080136686A1 (fr)
EP (1) EP1926082A1 (fr)
DE (1) DE102006055737A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2285025A1 (fr) * 2009-07-16 2011-02-16 Alcatel Lucent Procédé et appareil pour le codage/décodage d'un signal audio stéréo en un signal audio mono

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8374883B2 (en) * 2007-10-31 2013-02-12 Panasonic Corporation Encoder and decoder using inter channel prediction based on optimally determined signals
CN101751928B (zh) * 2008-12-08 2012-06-13 扬智科技股份有限公司 应用音频帧频谱平坦度简化声学模型分析的方法及其装置
US8805694B2 (en) * 2009-02-16 2014-08-12 Electronics And Telecommunications Research Institute Method and apparatus for encoding and decoding audio signal using adaptive sinusoidal coding
US20100331048A1 (en) * 2009-06-25 2010-12-30 Qualcomm Incorporated M-s stereo reproduction at a device
AU2016222372B2 (en) * 2010-04-09 2018-06-28 Dolby International Ab Mdct-based complex prediction stereo coding
CN102884570B (zh) 2010-04-09 2015-06-17 杜比国际公司 基于mdct的复数预测立体声编码
US11538489B2 (en) 2019-06-24 2022-12-27 Qualcomm Incorporated Correlating scene-based audio data for psychoacoustic audio coding
US11361776B2 (en) * 2019-06-24 2022-06-14 Qualcomm Incorporated Coding scaled spatial components

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030014136A1 (en) * 2001-05-11 2003-01-16 Nokia Corporation Method and system for inter-channel signal redundancy removal in perceptual audio coding
EP1400955A2 (fr) * 2002-09-04 2004-03-24 Microsoft Corporation Quantisation et quantisation inverse pour signaux audio
CN1787078A (zh) * 2005-10-25 2006-06-14 芯晟(北京)科技有限公司 一种基于量化信号域的立体声及多声道编解码方法与系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
SG120118A1 (en) * 2003-09-15 2006-03-28 St Microelectronics Asia A device and process for encoding audio data

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030014136A1 (en) * 2001-05-11 2003-01-16 Nokia Corporation Method and system for inter-channel signal redundancy removal in perceptual audio coding
EP1400955A2 (fr) * 2002-09-04 2004-03-24 Microsoft Corporation Quantisation et quantisation inverse pour signaux audio
CN1787078A (zh) * 2005-10-25 2006-06-14 芯晟(北京)科技有限公司 一种基于量化信号域的立体声及多声道编解码方法与系统

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MARINA BOSI; KARLHEINZ BRANDENBURG: "Introduction to Digital Audio Coding and Standards", 2002, SPRINGER VERLAG

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2285025A1 (fr) * 2009-07-16 2011-02-16 Alcatel Lucent Procédé et appareil pour le codage/décodage d'un signal audio stéréo en un signal audio mono

Also Published As

Publication number Publication date
DE102006055737A1 (de) 2008-05-29
US20080136686A1 (en) 2008-06-12

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