JP6856655B2 - 複数のオーディオ信号の符号化 - Google Patents

複数のオーディオ信号の符号化 Download PDF

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JP6856655B2
JP6856655B2 JP2018541416A JP2018541416A JP6856655B2 JP 6856655 B2 JP6856655 B2 JP 6856655B2 JP 2018541416 A JP2018541416 A JP 2018541416A JP 2018541416 A JP2018541416 A JP 2018541416A JP 6856655 B2 JP6856655 B2 JP 6856655B2
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frequency domain
audio channel
generate
midband
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JP2019505017A (ja
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ヴェンカタ・スブラマニアム・チャンドラ・セカール・チェビーヤム
ヴェンカトラマン・アッティ
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クアルコム，インコーポレイテッド
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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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/0208—Subband vocoders

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2018541416A 2016-02-12 2017-02-03 複数のオーディオ信号の符号化 Active JP6856655B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662294946P 2016-02-12 2016-02-12
US62/294,946 2016-02-12
US15/422,988 2017-02-02
US15/422,988 US9978381B2 (en) 2016-02-12 2017-02-02 Encoding of multiple audio signals
PCT/US2017/016418 WO2017139190A1 (en) 2016-02-12 2017-02-03 Encoding of multiple audio signals

Publications (3)

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JP2019505017A JP2019505017A (ja) 2019-02-21
JP2019505017A5 JP2019505017A5 (https=) 2020-09-03
JP6856655B2 true JP6856655B2 (ja) 2021-04-07

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US (1) US9978381B2 (https=)
EP (1) EP3414760B1 (https=)
JP (1) JP6856655B2 (https=)
KR (1) KR102230623B1 (https=)
CN (1) CN108701464B (https=)
CA (1) CA3011741C (https=)
ES (1) ES2821676T3 (https=)
TW (1) TWI651716B (https=)
WO (1) WO2017139190A1 (https=)

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CN109427337B (zh) * 2017-08-23 2021-03-30 华为技术有限公司 立体声信号编码时重建信号的方法和装置
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Also Published As

Publication number Publication date
CN108701464A (zh) 2018-10-23
US9978381B2 (en) 2018-05-22
CA3011741A1 (en) 2017-08-17
BR112018016247A2 (pt) 2018-12-18
ES2821676T3 (es) 2021-04-27
KR20180111846A (ko) 2018-10-11
CA3011741C (en) 2023-01-10
US20170236521A1 (en) 2017-08-17
EP3414760A1 (en) 2018-12-19
TWI651716B (zh) 2019-02-21
CN108701464B (zh) 2023-04-04
KR102230623B1 (ko) 2021-03-19
WO2017139190A1 (en) 2017-08-17
EP3414760B1 (en) 2020-07-01
TW201732779A (zh) 2017-09-16
JP2019505017A (ja) 2019-02-21

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