CN105247613B - 音频处理系统 - Google Patents

音频处理系统 Download PDF

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Publication number
CN105247613B
CN105247613B CN201480024625.XA CN201480024625A CN105247613B CN 105247613 B CN105247613 B CN 105247613B CN 201480024625 A CN201480024625 A CN 201480024625A CN 105247613 B CN105247613 B CN 105247613B
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signal
mode
frequency
audio
stage
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Chinese (zh)
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CN105247613A (zh
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K·克约尔林
H·普恩哈根
L·维尔莫斯
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Dolby International AB
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Dolby International AB
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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)
CN201480024625.XA 2013-04-05 2014-04-04 音频处理系统 Active CN105247613B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910045920.8A CN109509478B (zh) 2013-04-05 2014-04-04 音频处理装置

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

Related Child Applications (1)

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CN105247613A CN105247613A (zh) 2016-01-13
CN105247613B true CN105247613B (zh) 2019-01-18

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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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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
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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