JP5147727B2 - 信号デコーディング方法及び装置 - Google Patents

信号デコーディング方法及び装置 Download PDF

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Publication number
JP5147727B2
JP5147727B2 JP2008551197A JP2008551197A JP5147727B2 JP 5147727 B2 JP5147727 B2 JP 5147727B2 JP 2008551197 A JP2008551197 A JP 2008551197A JP 2008551197 A JP2008551197 A JP 2008551197A JP 5147727 B2 JP5147727 B2 JP 5147727B2
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signal
parameter
information
rendering
control information
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Japanese (ja)
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JP2009524103A5 (enExample
JP2009524103A (ja
Inventor
ウォン ジュン，ヤン
スク パン，ヒー
オ オー，ヒェン
スー キム，ドン
ヒュン リム，ジェ
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LG Electronics Inc
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LG Electronics Inc
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Priority claimed from KR1020060097319A external-priority patent/KR20070081735A/ko
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    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
JP2008551197A 2006-01-19 2007-01-19 信号デコーディング方法及び装置 Active JP5147727B2 (ja)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US75998006P 2006-01-19 2006-01-19
US60/759,980 2006-01-19
US77255506P 2006-02-13 2006-02-13
US60/772,555 2006-02-13
US78717206P 2006-03-30 2006-03-30
US60/787,172 2006-03-30
US79143206P 2006-04-13 2006-04-13
US60/791,432 2006-04-13
KR1020060097319A KR20070081735A (ko) 2006-02-13 2006-10-02 오디오 신호의 인코딩/디코딩 방법 및 장치
KR10-2006-0097319 2006-10-02
US86525606P 2006-11-10 2006-11-10
US60/865,256 2006-11-10
PCT/KR2007/000347 WO2007083957A1 (en) 2006-01-19 2007-01-19 Method and apparatus for decoding a signal

Publications (3)

Publication Number Publication Date
JP2009524103A JP2009524103A (ja) 2009-06-25
JP2009524103A5 JP2009524103A5 (enExample) 2010-04-22
JP5147727B2 true JP5147727B2 (ja) 2013-02-20

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JP2008551197A Active JP5147727B2 (ja) 2006-01-19 2007-01-19 信号デコーディング方法及び装置
JP2008551198A Active JP5161109B2 (ja) 2006-01-19 2007-01-19 信号デコーディング方法及び装置

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US (2) US8296155B2 (enExample)
EP (2) EP1974343A4 (enExample)
JP (2) JP5147727B2 (enExample)
KR (3) KR20080087909A (enExample)
WO (1) WO2007083957A1 (enExample)

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Also Published As

Publication number Publication date
EP1974344A4 (en) 2011-06-08
EP1974343A4 (en) 2011-05-04
KR101366291B1 (ko) 2014-02-21
EP1974343A1 (en) 2008-10-01
US8296155B2 (en) 2012-10-23
KR20080087909A (ko) 2008-10-01
US20080319765A1 (en) 2008-12-25
KR100885700B1 (ko) 2009-02-26
WO2007083957A1 (en) 2007-07-26
US20090006106A1 (en) 2009-01-01
JP2009524103A (ja) 2009-06-25
JP2009524104A (ja) 2009-06-25
KR20080042128A (ko) 2008-05-14
JP5161109B2 (ja) 2013-03-13
US8239209B2 (en) 2012-08-07
EP1974344A1 (en) 2008-10-01
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