CA3014675A1 - Audio processing for temporally mismatched signals - Google Patents

Audio processing for temporally mismatched signals Download PDF

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Publication number
CA3014675A1
CA3014675A1 CA3014675A CA3014675A CA3014675A1 CA 3014675 A1 CA3014675 A1 CA 3014675A1 CA 3014675 A CA3014675 A CA 3014675A CA 3014675 A CA3014675 A CA 3014675A CA 3014675 A1 CA3014675 A1 CA 3014675A1
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CA
Canada
Prior art keywords
signal
encoded
value
shift
audio signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3014675A
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English (en)
French (fr)
Inventor
Venkatraman S. Atti
Venkata Subrahmanyam Chandra Sekhar CHEBIYYAM
Daniel Jared Sinder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA3014675A1 publication Critical patent/CA3014675A1/en
Pending legal-status Critical Current

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Classifications

    • 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
    • G10L19/002Dynamic bit allocation
    • 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
    • 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
    • G10L19/025Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/22Mode decision, i.e. based on audio signal content versus external parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereophonic System (AREA)
  • Transmitters (AREA)
CA3014675A 2016-03-18 2017-03-17 Audio processing for temporally mismatched signals Pending CA3014675A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662310611P 2016-03-18 2016-03-18
US62/310,611 2016-03-18
US15/461,356 US10210871B2 (en) 2016-03-18 2017-03-16 Audio processing for temporally mismatched signals
US15/461,356 2017-03-16
PCT/US2017/023026 WO2017161309A1 (en) 2016-03-18 2017-03-17 Audio processing for temporally mismatched signals

Publications (1)

Publication Number Publication Date
CA3014675A1 true CA3014675A1 (en) 2017-09-21

Family

ID=59847109

Family Applications (2)

Application Number Title Priority Date Filing Date
CA3014675A Pending CA3014675A1 (en) 2016-03-18 2017-03-17 Audio processing for temporally mismatched signals
CA3249661A Pending CA3249661A1 (en) 2016-03-18 2017-03-17 Audio processing for temporally mismatched signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA3249661A Pending CA3249661A1 (en) 2016-03-18 2017-03-17 Audio processing for temporally mismatched signals

Country Status (10)

Country Link
US (2) US10210871B2 (enExample)
EP (2) EP3739579B1 (enExample)
JP (1) JP6978425B2 (enExample)
KR (2) KR102461411B1 (enExample)
CN (2) CN108780648B (enExample)
BR (1) BR112018068608A2 (enExample)
CA (2) CA3014675A1 (enExample)
ES (1) ES2837478T3 (enExample)
TW (1) TWI743097B (enExample)
WO (1) WO2017161309A1 (enExample)

Cited By (1)

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CN108428457A (zh) * 2018-02-12 2018-08-21 北京百度网讯科技有限公司 音频去重方法及装置

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CA2916150C (en) 2013-06-21 2019-06-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method realizing improved concepts for tcx ltp
US10210871B2 (en) * 2016-03-18 2019-02-19 Qualcomm Incorporated Audio processing for temporally mismatched signals
CN108269577B (zh) * 2016-12-30 2019-10-22 华为技术有限公司 立体声编码方法及立体声编码器
US10304468B2 (en) 2017-03-20 2019-05-28 Qualcomm Incorporated Target sample generation
CN109859766B (zh) * 2017-11-30 2021-08-20 华为技术有限公司 音频编解码方法和相关产品
CN114726946B (zh) * 2018-12-27 2023-07-11 华为技术有限公司 一种自动切换蓝牙音频编码方式的方法、电子设备及可读存储介质
US10932122B1 (en) * 2019-06-07 2021-02-23 Sprint Communications Company L.P. User equipment beam effectiveness
CN113870881B (zh) * 2021-09-26 2024-04-26 西南石油大学 一种鲁棒哈默斯坦子带样条自适应回声消除方法

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US7508947B2 (en) * 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
EP1953736A4 (en) 2005-10-31 2009-08-05 Panasonic Corp STEREO CODING DEVICE AND STEREOSIGNAL PREDICTION PROCESS
US20080294446A1 (en) * 2007-05-22 2008-11-27 Linfeng Guo Layer based scalable multimedia datastream compression
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
EP2381439B1 (en) 2009-01-22 2017-11-08 III Holdings 12, LLC Stereo acoustic signal encoding apparatus, stereo acoustic signal decoding apparatus, and methods for the same
CN102388417B (zh) * 2009-03-17 2015-10-21 杜比国际公司 基于自适应地可选择的左/右或中央/侧边立体声编码和参数立体声编码的组合的高级立体声编码
CN102222505B (zh) * 2010-04-13 2012-12-19 中兴通讯股份有限公司 可分层音频编解码方法系统及瞬态信号可分层编解码方法
CN103282959B (zh) * 2010-10-25 2015-06-03 沃伊斯亚吉公司 低位速率和短延迟地编码普通音频信号
CN104641414A (zh) * 2012-07-19 2015-05-20 诺基亚公司 立体声音频信号编码器
US9601125B2 (en) * 2013-02-08 2017-03-21 Qualcomm Incorporated Systems and methods of performing noise modulation and gain adjustment
IL278164B (en) * 2013-04-05 2022-08-01 Dolby Int Ab Audio encoder and decoder
KR102251833B1 (ko) * 2013-12-16 2021-05-13 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
US10074373B2 (en) 2015-12-21 2018-09-11 Qualcomm Incorporated Channel adjustment for inter-frame temporal shift variations
US10210871B2 (en) * 2016-03-18 2019-02-19 Qualcomm Incorporated Audio processing for temporally mismatched signals

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108428457A (zh) * 2018-02-12 2018-08-21 北京百度网讯科技有限公司 音频去重方法及装置
CN108428457B (zh) * 2018-02-12 2021-03-23 北京百度网讯科技有限公司 音频去重方法及装置

Also Published As

Publication number Publication date
EP3739579C0 (en) 2023-12-06
ES2837478T3 (es) 2021-06-30
WO2017161309A1 (en) 2017-09-21
US20170270934A1 (en) 2017-09-21
EP3739579A1 (en) 2020-11-18
KR20220150996A (ko) 2022-11-11
EP3739579B1 (en) 2023-12-06
JP6978425B2 (ja) 2021-12-08
BR112018068608A2 (pt) 2019-02-05
JP2019512735A (ja) 2019-05-16
KR20180125963A (ko) 2018-11-26
KR102461411B1 (ko) 2022-10-31
TW201737243A (zh) 2017-10-16
KR102557066B1 (ko) 2023-07-18
US10210871B2 (en) 2019-02-19
CN116721667A (zh) 2023-09-08
US20180336907A1 (en) 2018-11-22
TWI743097B (zh) 2021-10-21
CN108780648A (zh) 2018-11-09
CN108780648B (zh) 2023-07-14
US10204629B2 (en) 2019-02-12
EP3430621B1 (en) 2020-09-16
EP3430621A1 (en) 2019-01-23
CA3249661A1 (en) 2025-06-17

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