JP6929868B2 - オーディオ信号復号 - Google Patents

オーディオ信号復号 Download PDF

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Publication number
JP6929868B2
JP6929868B2 JP2018548775A JP2018548775A JP6929868B2 JP 6929868 B2 JP6929868 B2 JP 6929868B2 JP 2018548775 A JP2018548775 A JP 2018548775A JP 2018548775 A JP2018548775 A JP 2018548775A JP 6929868 B2 JP6929868 B2 JP 6929868B2
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Japan
Prior art keywords
signal
value
shift
channel
audio signal
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Japanese (ja)
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JP2019512738A5 (cg-RX-API-DMAC10.html
JP2019512738A (ja
Inventor
アッティ、ベンカトラマン・エス．
チェビーヤム、ベンカタ・スブラマニヤム・チャンドラ・セカー
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Qualcomm Inc
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Qualcomm Inc
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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
    • G10L19/167—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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
JP2018548775A 2016-03-18 2017-03-17 オーディオ信号復号 Active JP6929868B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662310626P 2016-03-18 2016-03-18
US62/310,626 2016-03-18
US15/460,928 US10157621B2 (en) 2016-03-18 2017-03-16 Audio signal decoding
US15/460,928 2017-03-16
PCT/US2017/023032 WO2017161313A1 (en) 2016-03-18 2017-03-17 Audio signal decoding

Publications (3)

Publication Number Publication Date
JP2019512738A JP2019512738A (ja) 2019-05-16
JP2019512738A5 JP2019512738A5 (cg-RX-API-DMAC10.html) 2020-04-02
JP6929868B2 true JP6929868B2 (ja) 2021-09-01

Family

ID=58489062

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018548775A Active JP6929868B2 (ja) 2016-03-18 2017-03-17 オーディオ信号復号

Country Status (9)

Country Link
US (2) US10157621B2 (cg-RX-API-DMAC10.html)
EP (1) EP3430622B1 (cg-RX-API-DMAC10.html)
JP (1) JP6929868B2 (cg-RX-API-DMAC10.html)
KR (1) KR102461410B1 (cg-RX-API-DMAC10.html)
CN (1) CN108701465B (cg-RX-API-DMAC10.html)
BR (1) BR112018068643B1 (cg-RX-API-DMAC10.html)
CA (1) CA3014676C (cg-RX-API-DMAC10.html)
TW (1) TWI732832B (cg-RX-API-DMAC10.html)
WO (1) WO2017161313A1 (cg-RX-API-DMAC10.html)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2980797A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder, method and computer program using a zero-input-response to obtain a smooth transition
US9407989B1 (en) 2015-06-30 2016-08-02 Arthur Woodrow Closed audio circuit
US10109284B2 (en) * 2016-02-12 2018-10-23 Qualcomm Incorporated Inter-channel encoding and decoding of multiple high-band audio signals
US10157621B2 (en) 2016-03-18 2018-12-18 Qualcomm Incorporated Audio signal decoding
US10304468B2 (en) * 2017-03-20 2019-05-28 Qualcomm Incorporated Target sample generation
US10573326B2 (en) * 2017-04-05 2020-02-25 Qualcomm Incorporated Inter-channel bandwidth extension
US10734001B2 (en) * 2017-10-05 2020-08-04 Qualcomm Incorporated Encoding or decoding of audio signals
US10580420B2 (en) * 2017-10-05 2020-03-03 Qualcomm Incorporated Encoding or decoding of audio signals
US10839814B2 (en) * 2017-10-05 2020-11-17 Qualcomm Incorporated Encoding or decoding of audio signals
US10650834B2 (en) * 2018-01-10 2020-05-12 Savitech Corp. Audio processing method and non-transitory computer readable medium
CN111740768A (zh) * 2019-03-25 2020-10-02 华为技术有限公司 一种通信方法及设备
US10932122B1 (en) * 2019-06-07 2021-02-23 Sprint Communications Company L.P. User equipment beam effectiveness
CN115472171B (zh) * 2021-06-11 2024-11-22 华为技术有限公司 编解码方法、装置、设备、存储介质及计算机程序
CN113763980B (zh) * 2021-10-30 2023-05-12 成都启英泰伦科技有限公司 一种回声消除方法
CN115622634B (zh) * 2022-08-22 2023-08-04 荣耀终端有限公司 辐射杂散rse测试的控制方法、测试系统及存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8060042B2 (en) * 2008-05-23 2011-11-15 Lg Electronics Inc. Method and an apparatus for processing an audio signal
US8355921B2 (en) * 2008-06-13 2013-01-15 Nokia Corporation Method, apparatus and computer program product for providing improved audio processing
PL2304723T3 (pl) * 2008-07-11 2013-03-29 Fraunhofer Ges Forschung Urządzenie i sposób dekodowania zakodowanego sygnału audio
JP5214058B2 (ja) * 2009-03-17 2013-06-19 ドルビー インターナショナル アーベー 適応的に選択可能な左／右又はミッド／サイド・ステレオ符号化及びパラメトリック・ステレオ符号化の組み合わせに基づいた高度ステレオ符号化
JP5588025B2 (ja) * 2010-03-09 2014-09-10 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． パッチ境界整合を用いてオーディオ信号を処理するための装置および方法
AU2011239995B2 (en) * 2010-04-16 2014-01-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. Apparatus, method and computer program for generating a wideband signal using guided bandwidth extension and blind bandwidth extension
RU2552184C2 (ru) * 2010-05-25 2015-06-10 Нокиа Корпорейшн Устройство для расширения полосы частот
US8638951B2 (en) * 2010-07-15 2014-01-28 Motorola Mobility Llc Electronic apparatus for generating modified wideband audio signals based on two or more wideband microphone signals
EP4336501A3 (en) * 2013-01-29 2024-05-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, method and computer program using an increased temporal resolution in temporal proximity of onsets or offsets of fricatives or affricates
US9595269B2 (en) * 2015-01-19 2017-03-14 Qualcomm Incorporated Scaling for gain shape circuitry
US10157621B2 (en) 2016-03-18 2018-12-18 Qualcomm Incorporated Audio signal decoding

Also Published As

Publication number Publication date
CN108701465A (zh) 2018-10-23
JP2019512738A (ja) 2019-05-16
CN108701465B (zh) 2023-03-21
US20170270935A1 (en) 2017-09-21
TW201737244A (zh) 2017-10-16
EP3430622A1 (en) 2019-01-23
CA3014676C (en) 2024-09-17
WO2017161313A1 (en) 2017-09-21
US10157621B2 (en) 2018-12-18
KR102461410B1 (ko) 2022-10-31
BR112018068643B1 (pt) 2023-04-04
KR20180125964A (ko) 2018-11-26
EP3430622B1 (en) 2021-07-14
US20190139556A1 (en) 2019-05-09
CA3014676A1 (en) 2017-09-21
US10714100B2 (en) 2020-07-14
BR112018068643A2 (pt) 2019-02-05
TWI732832B (zh) 2021-07-11

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