KR101717006B1 - 오디오 프로세싱 시스템 - Google Patents

오디오 프로세싱 시스템 Download PDF

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KR101717006B1
KR101717006B1 KR1020157031853A KR20157031853A KR101717006B1 KR 101717006 B1 KR101717006 B1 KR 101717006B1 KR 1020157031853 A KR1020157031853 A KR 1020157031853A KR 20157031853 A KR20157031853 A KR 20157031853A KR 101717006 B1 KR101717006 B1 KR 101717006B1
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signal
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frequency
audio
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KR20150139601A (ko
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크리스토퍼 크졸링
헤이코 푸르나겐
라르스 빌레모에스
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돌비 인터네셔널 에이비
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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
    • G10L19/02—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
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
KR1020157031853A 2013-04-05 2014-04-04 오디오 프로세싱 시스템 Active KR101717006B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361809019P 2013-04-05 2013-04-05
US61/809,019 2013-04-05
US201361875959P 2013-09-10 2013-09-10
US61/875,959 2013-09-10
PCT/EP2014/056857 WO2014161996A2 (en) 2013-04-05 2014-04-04 Audio processing system

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KR20150139601A KR20150139601A (ko) 2015-12-11
KR101717006B1 true KR101717006B1 (ko) 2017-03-15

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US (2) US9478224B2 (enExample)
EP (1) EP2981956B1 (enExample)
JP (2) JP6013646B2 (enExample)
KR (1) KR101717006B1 (enExample)
CN (2) CN105247613B (enExample)
BR (1) BR112015025092B1 (enExample)
ES (1) ES2934646T3 (enExample)
IN (1) IN2015MN02784A (enExample)
RU (1) RU2625444C2 (enExample)
WO (1) WO2014161996A2 (enExample)

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HK1214026A1 (zh) 2016-07-15
JP6407928B2 (ja) 2018-10-17
US20160372123A1 (en) 2016-12-22
JP6013646B2 (ja) 2016-10-25
JP2016514858A (ja) 2016-05-23
CN105247613A (zh) 2016-01-13
US20160055855A1 (en) 2016-02-25
EP2981956B1 (en) 2022-11-30
CN109509478A (zh) 2019-03-22
ES2934646T3 (es) 2023-02-23
CN105247613B (zh) 2019-01-18
US9812136B2 (en) 2017-11-07
RU2015147158A (ru) 2017-05-17
RU2625444C2 (ru) 2017-07-13
BR112015025092B1 (pt) 2022-01-11
US9478224B2 (en) 2016-10-25
BR112015025092A2 (pt) 2017-07-18
JP2017017749A (ja) 2017-01-19
IN2015MN02784A (enExample) 2015-10-23
CN109509478B (zh) 2023-09-05
WO2014161996A3 (en) 2014-12-04
WO2014161996A2 (en) 2014-10-09
EP2981956A2 (en) 2016-02-10
KR20150139601A (ko) 2015-12-11

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