JP6987856B2 - パラメトリックオーディオ復号 - Google Patents

パラメトリックオーディオ復号 Download PDF

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JP6987856B2
JP6987856B2 JP2019519412A JP2019519412A JP6987856B2 JP 6987856 B2 JP6987856 B2 JP 6987856B2 JP 2019519412 A JP2019519412 A JP 2019519412A JP 2019519412 A JP2019519412 A JP 2019519412A JP 6987856 B2 JP6987856 B2 JP 6987856B2
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value
signal
frequency
stereo parameter
stereo
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JP2019535207A (ja
JP2019535207A5 (cg-RX-API-DMAC7.html
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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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    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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
    • 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
    • G10L19/02—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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 
    • 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
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
JP2019519412A 2016-10-13 2017-09-20 パラメトリックオーディオ復号 Active JP6987856B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662407843P 2016-10-13 2016-10-13
US62/407,843 2016-10-13
US15/708,717 US10362423B2 (en) 2016-10-13 2017-09-19 Parametric audio decoding
US15/708,717 2017-09-19
PCT/US2017/052554 WO2018071150A1 (en) 2016-10-13 2017-09-20 Parametric audio decoding

Publications (3)

Publication Number Publication Date
JP2019535207A JP2019535207A (ja) 2019-12-05
JP2019535207A5 JP2019535207A5 (cg-RX-API-DMAC7.html) 2020-10-15
JP6987856B2 true JP6987856B2 (ja) 2022-01-05

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JP2019519412A Active JP6987856B2 (ja) 2016-10-13 2017-09-20 パラメトリックオーディオ復号

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US (5) US10362423B2 (cg-RX-API-DMAC7.html)
EP (1) EP3526791B1 (cg-RX-API-DMAC7.html)
JP (1) JP6987856B2 (cg-RX-API-DMAC7.html)
KR (2) KR102503904B1 (cg-RX-API-DMAC7.html)
CN (2) CN109804430B (cg-RX-API-DMAC7.html)
AU (1) AU2017342737B2 (cg-RX-API-DMAC7.html)
BR (1) BR112019007240A2 (cg-RX-API-DMAC7.html)
ES (1) ES2846281T3 (cg-RX-API-DMAC7.html)
TW (1) TWI763717B (cg-RX-API-DMAC7.html)
WO (1) WO2018071150A1 (cg-RX-API-DMAC7.html)

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USRE48462E1 (en) * 2009-07-29 2021-03-09 Northwestern University Systems, methods, and apparatus for equalization preference learning
US10362423B2 (en) 2016-10-13 2019-07-23 Qualcomm Incorporated Parametric audio decoding
US11514921B2 (en) * 2019-09-26 2022-11-29 Apple Inc. Audio return channel data loopback
CN116391171A (zh) * 2020-09-01 2023-07-04 苹果公司 动态改变音频特性
US20250140271A1 (en) * 2021-08-30 2025-05-01 Nokia Technologies Oy Silence descriptor using spatial parameters
CN115277592B (zh) * 2022-07-20 2023-04-11 哈尔滨市科佳通用机电股份有限公司 一种机车信号设备在信号切换时的解码方法
CN119580735B (zh) * 2025-02-06 2025-04-25 泉州市二谷电子科技有限公司 一种数控系统的远程语音控制方法及系统

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US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
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Also Published As

Publication number Publication date
US20200336853A1 (en) 2020-10-22
US10757521B2 (en) 2020-08-25
US20190297444A1 (en) 2019-09-26
KR102503904B1 (ko) 2023-02-24
WO2018071150A1 (en) 2018-04-19
US10362423B2 (en) 2019-07-23
AU2017342737B2 (en) 2022-01-20
CN109804430B (zh) 2023-05-12
US11102600B2 (en) 2021-08-24
EP3526791A1 (en) 2019-08-21
AU2017342737A1 (en) 2019-03-28
TW201816775A (zh) 2018-05-01
US20240031755A1 (en) 2024-01-25
CN109804430A (zh) 2019-05-24
JP2019535207A (ja) 2019-12-05
KR20230030055A (ko) 2023-03-03
TWI763717B (zh) 2022-05-11
US20180109896A1 (en) 2018-04-19
ES2846281T3 (es) 2021-07-28
CN116453528A (zh) 2023-07-18
BR112019007240A2 (pt) 2019-07-02
US12022274B2 (en) 2024-06-25
KR102761057B1 (ko) 2025-01-31
US11716584B2 (en) 2023-08-01
US20210385601A1 (en) 2021-12-09
EP3526791B1 (en) 2020-10-21
KR20190064584A (ko) 2019-06-10

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