RU2643644C2 - Кодирование и декодирование аудиосигналов - Google Patents

Кодирование и декодирование аудиосигналов Download PDF

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RU2643644C2
RU2643644C2 RU2015104074A RU2015104074A RU2643644C2 RU 2643644 C2 RU2643644 C2 RU 2643644C2 RU 2015104074 A RU2015104074 A RU 2015104074A RU 2015104074 A RU2015104074 A RU 2015104074A RU 2643644 C2 RU2643644 C2 RU 2643644C2
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Russia
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time
frequency
segments
encoded
audio
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RU2015104074A
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RU2015104074A (ru
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Арнольдус Вернер Йоханнес ОМЕН
Ерун Герардус Хенрикус КОППЕНС
Эрик Госейнус Петрус СХЕЙЕРС
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Конинклейке Филипс Н.В.
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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
    • G10L19/04—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
    • 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
    • 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
    • G10L19/0204—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 using subband decomposition
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
RU2015104074A 2012-07-09 2013-07-09 Кодирование и декодирование аудиосигналов RU2643644C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261669197P 2012-07-09 2012-07-09
US61/669,197 2012-07-09
PCT/IB2013/055628 WO2014009878A2 (en) 2012-07-09 2013-07-09 Encoding and decoding of audio signals

Publications (2)

Publication Number Publication Date
RU2015104074A RU2015104074A (ru) 2016-08-27
RU2643644C2 true RU2643644C2 (ru) 2018-02-02

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US (1) US9478228B2 (https=)
EP (2) EP2870603B1 (https=)
JP (1) JP6231093B2 (https=)
CN (1) CN104428835B (https=)
BR (1) BR112015000247B1 (https=)
MX (1) MX342150B (https=)
RU (1) RU2643644C2 (https=)
WO (1) WO2014009878A2 (https=)
ZA (1) ZA201500888B (https=)

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JP7536735B2 (ja) * 2020-11-24 2024-08-20 ネイバー コーポレーション ユーザカスタム型臨場感を実現するためのオーディオコンテンツを製作するコンピュータシステムおよびその方法
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Also Published As

Publication number Publication date
MX2015000113A (es) 2015-08-10
EP3748632A1 (en) 2020-12-09
JP6231093B2 (ja) 2017-11-15
CN104428835B (zh) 2017-10-31
US9478228B2 (en) 2016-10-25
EP2870603A2 (en) 2015-05-13
RU2015104074A (ru) 2016-08-27
MX342150B (es) 2016-09-15
BR112015000247A2 (pt) 2017-06-27
WO2014009878A3 (en) 2014-03-13
ZA201500888B (en) 2017-01-25
WO2014009878A2 (en) 2014-01-16
CN104428835A (zh) 2015-03-18
EP2870603B1 (en) 2020-09-30
US20150142453A1 (en) 2015-05-21
BR112015000247B1 (pt) 2021-08-03
JP2015527609A (ja) 2015-09-17

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