KR101823278B1 - 결합하여 인코딩된 잔류 신호들을 이용하는 오디오 인코더, 오디오 디코더, 방법들 및 컴퓨터 프로그램 - Google Patents

결합하여 인코딩된 잔류 신호들을 이용하는 오디오 인코더, 오디오 디코더, 방법들 및 컴퓨터 프로그램 Download PDF

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KR101823278B1
KR101823278B1 KR1020167004625A KR20167004625A KR101823278B1 KR 101823278 B1 KR101823278 B1 KR 101823278B1 KR 1020167004625 A KR1020167004625 A KR 1020167004625A KR 20167004625 A KR20167004625 A KR 20167004625A KR 101823278 B1 KR101823278 B1 KR 101823278B1
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audio
channel
residual
downmix
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KR20160033777A (ko
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사샤 딕
크리스티안 에르텔
크리스티안 헴리히
요하네스 힐퍼트
안드레아스 홀저
아힘 쿤츠
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프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베.
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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
    • G10L19/008—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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
    • 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
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020167004625A 2013-07-22 2014-07-11 결합하여 인코딩된 잔류 신호들을 이용하는 오디오 인코더, 오디오 디코더, 방법들 및 컴퓨터 프로그램 Active KR101823278B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13177376 2013-07-22
EP13177376.4 2013-07-22
EP13189305.9A EP2830051A3 (en) 2013-07-22 2013-10-18 Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
EP13189305.9 2013-10-18
PCT/EP2014/064915 WO2015010926A1 (en) 2013-07-22 2014-07-11 Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals

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KR20160033777A KR20160033777A (ko) 2016-03-28
KR101823278B1 true KR101823278B1 (ko) 2018-01-29

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KR1020167004626A Active KR101823279B1 (ko) 2013-07-22 2014-07-14 인코딩된 표현에 기초하여 적어도 4개의 오디오 채널 신호들을 제공하기 위한 오디오 디코더, 오디오 인코더, 방법, 적어도 4개의 오디오 채널 신호들에 기초하여 인코딩된 표현을 제공하기 위한 방법, 및 대역폭 확장을 이용하는 컴퓨터 프로그램

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