AU2017342737B2 - Parametric audio decoding - Google Patents

Parametric audio decoding Download PDF

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Publication number
AU2017342737B2
AU2017342737B2 AU2017342737A AU2017342737A AU2017342737B2 AU 2017342737 B2 AU2017342737 B2 AU 2017342737B2 AU 2017342737 A AU2017342737 A AU 2017342737A AU 2017342737 A AU2017342737 A AU 2017342737A AU 2017342737 B2 AU2017342737 B2 AU 2017342737B2
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AU
Australia
Prior art keywords
value
frequency
stereo parameter
signal
frequency range
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AU2017342737A1 (en
Inventor
Venkatraman ATTI
Venkata Subrahmanyam Chandra Sekhar CHEBIYYAM
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Qualcomm Inc
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Qualcomm Inc
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S1/00Two-channel systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S1/00Two-channel systems
    • H04S1/007Two-channel systems in which the audio signals are in digital form
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/022Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/07Synergistic 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)
AU2017342737A 2016-10-13 2017-09-20 Parametric audio decoding Active AU2017342737B2 (en)

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 (2)

Publication Number Publication Date
AU2017342737A1 AU2017342737A1 (en) 2019-03-28
AU2017342737B2 true AU2017342737B2 (en) 2022-01-20

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AU2017342737A Active AU2017342737B2 (en) 2016-10-13 2017-09-20 Parametric audio decoding

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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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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
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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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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
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
JP6987856B2 (ja) 2022-01-05
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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