JP6983583B2 - 音響処理装置、音響処理システム、音響処理方法、及びプログラム - Google Patents

音響処理装置、音響処理システム、音響処理方法、及びプログラム Download PDF

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Publication number
JP6983583B2
JP6983583B2 JP2017166105A JP2017166105A JP6983583B2 JP 6983583 B2 JP6983583 B2 JP 6983583B2 JP 2017166105 A JP2017166105 A JP 2017166105A JP 2017166105 A JP2017166105 A JP 2017166105A JP 6983583 B2 JP6983583 B2 JP 6983583B2
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Japan
Prior art keywords
microphone
sound
microphones
acoustic
state
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Expired - Fee Related
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JP2017166105A
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English (en)
Japanese (ja)
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JP2019047220A5 (https=
JP2019047220A (ja
Inventor
克昌 田中
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2017166105A priority Critical patent/JP6983583B2/ja
Priority to US16/108,778 priority patent/US10425728B2/en
Publication of JP2019047220A publication Critical patent/JP2019047220A/ja
Priority to US16/549,966 priority patent/US10873806B2/en
Publication of JP2019047220A5 publication Critical patent/JP2019047220A5/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers for combining the signals of two or more microphones
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Otolaryngology (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2017166105A 2017-08-30 2017-08-30 音響処理装置、音響処理システム、音響処理方法、及びプログラム Expired - Fee Related JP6983583B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2017166105A JP6983583B2 (ja) 2017-08-30 2017-08-30 音響処理装置、音響処理システム、音響処理方法、及びプログラム
US16/108,778 US10425728B2 (en) 2017-08-30 2018-08-22 Acoustic processing apparatus, acoustic processing system, acoustic processing method, and storage medium
US16/549,966 US10873806B2 (en) 2017-08-30 2019-08-23 Acoustic processing apparatus, acoustic processing system, acoustic processing method, and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017166105A JP6983583B2 (ja) 2017-08-30 2017-08-30 音響処理装置、音響処理システム、音響処理方法、及びプログラム

Publications (3)

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JP2019047220A JP2019047220A (ja) 2019-03-22
JP2019047220A5 JP2019047220A5 (https=) 2020-10-08
JP6983583B2 true JP6983583B2 (ja) 2021-12-17

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JP2017166105A Expired - Fee Related JP6983583B2 (ja) 2017-08-30 2017-08-30 音響処理装置、音響処理システム、音響処理方法、及びプログラム

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US (2) US10425728B2 (https=)
JP (1) JP6983583B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI130018B (en) * 2020-02-13 2022-12-30 Noiseless Acoustics Oy Calibrator for acoustic cameras and other similar applications

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5392827B2 (ja) * 2009-05-29 2014-01-22 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 音データ処理装置
JP5540581B2 (ja) * 2009-06-23 2014-07-02 ソニー株式会社 音声信号処理装置および音声信号処理方法
JP5304571B2 (ja) * 2009-09-24 2013-10-02 沖電気工業株式会社 集音装置、音響通信システム及びプログラム
JP5780096B2 (ja) * 2011-09-30 2015-09-16 ブラザー工業株式会社 音声処理装置、音声処理方法、および音声処理プログラム
US9301073B2 (en) * 2012-06-08 2016-03-29 Apple Inc. Systems and methods for determining the condition of multiple microphones
WO2014073704A1 (ja) * 2012-11-12 2014-05-15 ヤマハ株式会社 信号処理システムおよび信号処理方法
JP5924295B2 (ja) 2013-03-12 2016-05-25 沖電気工業株式会社 パラメータ推定装置、パラメータ推定プログラム、機器決定システム及び機器決定プログラム

Also Published As

Publication number Publication date
US20190379970A1 (en) 2019-12-12
JP2019047220A (ja) 2019-03-22
US20190069085A1 (en) 2019-02-28
US10425728B2 (en) 2019-09-24
US10873806B2 (en) 2020-12-22

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