JP7245034B2 - 信号処理装置、信号処理方法およびプログラム - Google Patents

信号処理装置、信号処理方法およびプログラム Download PDF

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Publication number
JP7245034B2
JP7245034B2 JP2018221677A JP2018221677A JP7245034B2 JP 7245034 B2 JP7245034 B2 JP 7245034B2 JP 2018221677 A JP2018221677 A JP 2018221677A JP 2018221677 A JP2018221677 A JP 2018221677A JP 7245034 B2 JP7245034 B2 JP 7245034B2
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sound
signal
signal processing
collecting means
acoustic signal
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Japanese (ja)
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JP2020088653A5 (https=
JP2020088653A (ja
Inventor
典朗 多和田
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Canon Inc
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Canon Inc
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Priority to JP2018221677A priority Critical patent/JP7245034B2/ja
Priority to US16/684,787 priority patent/US11363374B2/en
Publication of JP2020088653A publication Critical patent/JP2020088653A/ja
Publication of JP2020088653A5 publication Critical patent/JP2020088653A5/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
    • 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
    • H04R3/04—Circuits for transducers for correcting frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/01—Noise reduction using microphones having different directional characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP2018221677A 2018-11-27 2018-11-27 信号処理装置、信号処理方法およびプログラム Active JP7245034B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018221677A JP7245034B2 (ja) 2018-11-27 2018-11-27 信号処理装置、信号処理方法およびプログラム
US16/684,787 US11363374B2 (en) 2018-11-27 2019-11-15 Signal processing apparatus, method of controlling signal processing apparatus, and non-transitory computer-readable storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018221677A JP7245034B2 (ja) 2018-11-27 2018-11-27 信号処理装置、信号処理方法およびプログラム

Publications (3)

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JP2020088653A JP2020088653A (ja) 2020-06-04
JP2020088653A5 JP2020088653A5 (https=) 2022-01-06
JP7245034B2 true JP7245034B2 (ja) 2023-03-23

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JP (1) JP7245034B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023168103A (ja) * 2022-05-13 2023-11-24 綜合警備保障株式会社 マイク位置最適化システム、方法、およびプログラム

Citations (9)

* Cited by examiner, † Cited by third party
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JP2002031674A (ja) 2000-07-17 2002-01-31 Nippon Telegr & Teleph Corp <Ntt> 発音体指向性補正方法およびその装置
JP2005159731A (ja) 2003-11-26 2005-06-16 Canon Inc 撮像装置
JP2006245725A (ja) 2005-03-01 2006-09-14 Yamaha Corp マイクロフォンシステム
JP2007274131A (ja) 2006-03-30 2007-10-18 Yamaha Corp 拡声システム及び集音装置
JP2010183252A (ja) 2009-02-04 2010-08-19 Nikon Corp 撮像装置
JP2011048302A (ja) 2009-08-28 2011-03-10 Fujitsu Ltd ノイズ低減装置およびノイズ低減プログラム
JP2011080868A (ja) 2009-10-07 2011-04-21 Hitachi Ltd 音響監視システム、及び音声集音システム
JP2016010010A (ja) 2014-06-24 2016-01-18 日立マクセル株式会社 音声入出力機能付き撮像装置およびテレビ会議システム
JP2017175598A (ja) 2016-03-22 2017-09-28 パナソニックＩｐマネジメント株式会社 収音装置および収音方法

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JPH07336790A (ja) 1994-06-13 1995-12-22 Nec Corp マイクロホンシステム
JP3797751B2 (ja) * 1996-11-27 2006-07-19 富士通株式会社 マイクロホンシステム
US7379553B2 (en) * 2002-08-30 2008-05-27 Nittobo Acoustic Engineering Co. Ltd Sound source search system
JP4285457B2 (ja) * 2005-07-20 2009-06-24 ソニー株式会社 音場測定装置及び音場測定方法
JP4894353B2 (ja) * 2006-05-26 2012-03-14 ヤマハ株式会社 放収音装置
EP2090895B1 (en) * 2006-11-09 2011-01-05 Panasonic Corporation Sound source position detector
US8401210B2 (en) * 2006-12-05 2013-03-19 Apple Inc. System and method for dynamic control of audio playback based on the position of a listener
US20100008515A1 (en) * 2008-07-10 2010-01-14 David Robert Fulton Multiple acoustic threat assessment system
GB2495128B (en) * 2011-09-30 2018-04-04 Skype Processing signals
US9351071B2 (en) * 2012-01-17 2016-05-24 Koninklijke Philips N.V. Audio source position estimation
CN104488288B (zh) * 2012-07-27 2018-02-23 索尼公司 信息处理系统和存储介质
US9554203B1 (en) * 2012-09-26 2017-01-24 Foundation for Research and Technolgy—Hellas (FORTH) Institute of Computer Science (ICS) Sound source characterization apparatuses, methods and systems
JP6251054B2 (ja) 2014-01-21 2017-12-20 キヤノン株式会社 音場補正装置及びその制御方法、プログラム
JP6311430B2 (ja) * 2014-04-23 2018-04-18 ヤマハ株式会社 音響処理装置
US9525934B2 (en) * 2014-12-31 2016-12-20 Stmicroelectronics Asia Pacific Pte Ltd. Steering vector estimation for minimum variance distortionless response (MVDR) beamforming circuits, systems, and methods
JP6613078B2 (ja) 2015-08-28 2019-11-27 キヤノン株式会社 信号処理装置及びその制御方法
US10063967B2 (en) * 2016-03-22 2018-08-28 Panasonic Intellectual Property Management Co., Ltd. Sound collecting device and sound collecting method
JP6789690B2 (ja) * 2016-06-23 2020-11-25 キヤノン株式会社 信号処理装置、信号処理方法、及びプログラム

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002031674A (ja) 2000-07-17 2002-01-31 Nippon Telegr & Teleph Corp <Ntt> 発音体指向性補正方法およびその装置
JP2005159731A (ja) 2003-11-26 2005-06-16 Canon Inc 撮像装置
JP2006245725A (ja) 2005-03-01 2006-09-14 Yamaha Corp マイクロフォンシステム
JP2007274131A (ja) 2006-03-30 2007-10-18 Yamaha Corp 拡声システム及び集音装置
JP2010183252A (ja) 2009-02-04 2010-08-19 Nikon Corp 撮像装置
JP2011048302A (ja) 2009-08-28 2011-03-10 Fujitsu Ltd ノイズ低減装置およびノイズ低減プログラム
JP2011080868A (ja) 2009-10-07 2011-04-21 Hitachi Ltd 音響監視システム、及び音声集音システム
JP2016010010A (ja) 2014-06-24 2016-01-18 日立マクセル株式会社 音声入出力機能付き撮像装置およびテレビ会議システム
JP2017175598A (ja) 2016-03-22 2017-09-28 パナソニックＩｐマネジメント株式会社 収音装置および収音方法

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US11363374B2 (en) 2022-06-14
US20200169807A1 (en) 2020-05-28
JP2020088653A (ja) 2020-06-04

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