KR20080087909A - 신호 디코딩 방법 및 장치 - Google Patents

신호 디코딩 방법 및 장치 Download PDF

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Publication number
KR20080087909A
KR20080087909A KR1020087021435A KR20087021435A KR20080087909A KR 20080087909 A KR20080087909 A KR 20080087909A KR 1020087021435 A KR1020087021435 A KR 1020087021435A KR 20087021435 A KR20087021435 A KR 20087021435A KR 20080087909 A KR20080087909 A KR 20080087909A
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KR
South Korea
Prior art keywords
signal
parameter
information
control information
channel
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KR1020087021435A
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English (en)
Korean (ko)
Inventor
정양원
방희석
오현오
김동수
임재현
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엘지전자 주식회사
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Priority claimed from KR1020060097319A external-priority patent/KR20070081735A/ko
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of KR20080087909A publication Critical patent/KR20080087909A/ko
Withdrawn legal-status Critical Current

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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)
KR1020087021435A 2006-01-19 2007-01-19 신호 디코딩 방법 및 장치 Withdrawn KR20080087909A (ko)

Applications Claiming Priority (12)

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
KR1020060097319 2006-10-02
KR1020060097319A KR20070081735A (ko) 2006-02-13 2006-10-02 오디오 신호의 인코딩/디코딩 방법 및 장치
US86525606P 2006-11-10 2006-11-10
US60/865,256 2006-11-10

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020087005975A Division KR100885700B1 (ko) 2006-01-19 2007-01-19 신호 디코딩 방법 및 장치

Publications (1)

Publication Number Publication Date
KR20080087909A true KR20080087909A (ko) 2008-10-01

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Family Applications (3)

Application Number Title Priority Date Filing Date
KR1020087021435A Withdrawn KR20080087909A (ko) 2006-01-19 2007-01-19 신호 디코딩 방법 및 장치
KR1020087013842A Active KR101366291B1 (ko) 2006-01-19 2007-01-19 신호 디코딩 방법 및 장치
KR1020087005975A Expired - Fee Related KR100885700B1 (ko) 2006-01-19 2007-01-19 신호 디코딩 방법 및 장치

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KR1020087013842A Active KR101366291B1 (ko) 2006-01-19 2007-01-19 신호 디코딩 방법 및 장치
KR1020087005975A Expired - Fee Related KR100885700B1 (ko) 2006-01-19 2007-01-19 신호 디코딩 방법 및 장치

Country Status (5)

Country Link
US (2) US8296155B2 (https=)
EP (2) EP1974344A4 (https=)
JP (2) JP5161109B2 (https=)
KR (3) KR20080087909A (https=)
WO (1) WO2007083957A1 (https=)

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JP5147727B2 (ja) 2013-02-20
JP2009524104A (ja) 2009-06-25
KR100885700B1 (ko) 2009-02-26
KR20080042128A (ko) 2008-05-14
KR20080086445A (ko) 2008-09-25
EP1974344A1 (en) 2008-10-01
US20090006106A1 (en) 2009-01-01
KR101366291B1 (ko) 2014-02-21
US8239209B2 (en) 2012-08-07
US8296155B2 (en) 2012-10-23
JP5161109B2 (ja) 2013-03-13
JP2009524103A (ja) 2009-06-25
EP1974344A4 (en) 2011-06-08
WO2007083957A1 (en) 2007-07-26
EP1974343A1 (en) 2008-10-01
EP1974343A4 (en) 2011-05-04
US20080319765A1 (en) 2008-12-25

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