ATE547786T1 - Codierungseinrichtung und codierungsverfahren - Google Patents

Codierungseinrichtung und codierungsverfahren

Info

Publication number
ATE547786T1
ATE547786T1 AT08720675T AT08720675T ATE547786T1 AT E547786 T1 ATE547786 T1 AT E547786T1 AT 08720675 T AT08720675 T AT 08720675T AT 08720675 T AT08720675 T AT 08720675T AT E547786 T1 ATE547786 T1 AT E547786T1
Authority
AT
Austria
Prior art keywords
icp
residual signal
encoding
executes
unit
Prior art date
Application number
AT08720675T
Other languages
English (en)
Inventor
Zhou Jiong
Seng Chong Kok
Yoshida Koji
Original Assignee
Panasonic 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 Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of ATE547786T1 publication Critical patent/ATE547786T1/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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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

Landscapes

  • 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)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Error Detection And Correction (AREA)
AT08720675T 2007-03-30 2008-03-28 Codierungseinrichtung und codierungsverfahren ATE547786T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007092751 2007-03-30
PCT/JP2008/000808 WO2008126382A1 (ja) 2007-03-30 2008-03-28 符号化装置および符号化方法

Publications (1)

Publication Number Publication Date
ATE547786T1 true ATE547786T1 (de) 2012-03-15

Family

ID=39863542

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08720675T ATE547786T1 (de) 2007-03-30 2008-03-28 Codierungseinrichtung und codierungsverfahren

Country Status (6)

Country Link
US (1) US8983830B2 (de)
EP (1) EP2133872B1 (de)
JP (1) JP5355387B2 (de)
AT (1) ATE547786T1 (de)
BR (1) BRPI0809940A2 (de)
WO (1) WO2008126382A1 (de)

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* Cited by examiner, † Cited by third party
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US8983830B2 (en) * 2007-03-30 2015-03-17 Panasonic Intellectual Property Corporation Of America Stereo signal encoding device including setting of threshold frequencies and stereo signal encoding method including setting of threshold frequencies
US8473288B2 (en) * 2008-06-19 2013-06-25 Panasonic Corporation Quantizer, encoder, and the methods thereof
EP2434483A4 (de) * 2009-05-20 2016-04-27 Panasonic Ip Corp America Kodiervorrichtung, dekodiervorrichtung und verfahren dafür
EP2609592B1 (de) * 2010-08-24 2014-11-05 Dolby International AB Maskierung von intermittierendem monoempfang von fm-stereofunkempfängern
CN102208188B (zh) 2011-07-13 2013-04-17 华为技术有限公司 音频信号编解码方法和设备
CN102522092B (zh) * 2011-12-16 2013-06-19 大连理工大学 一种基于g．711．1的语音带宽扩展的装置和方法
US10217468B2 (en) * 2017-01-19 2019-02-26 Qualcomm Incorporated Coding of multiple audio signals
US11176954B2 (en) * 2017-04-10 2021-11-16 Nokia Technologies Oy Encoding and decoding of multichannel or stereo audio signals
US10431231B2 (en) * 2017-06-29 2019-10-01 Qualcomm Incorporated High-band residual prediction with time-domain inter-channel bandwidth extension

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Also Published As

Publication number Publication date
US20100106493A1 (en) 2010-04-29
BRPI0809940A2 (pt) 2014-10-07
JPWO2008126382A1 (ja) 2010-07-22
US8983830B2 (en) 2015-03-17
WO2008126382A1 (ja) 2008-10-23
JP5355387B2 (ja) 2013-11-27
EP2133872A1 (de) 2009-12-16
EP2133872B1 (de) 2012-02-29
EP2133872A4 (de) 2010-12-22

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