JP7487772B2 - 通話環境生成方法、通話環境生成装置、プログラム - Google Patents

通話環境生成方法、通話環境生成装置、プログラム Download PDF

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Publication number
JP7487772B2
JP7487772B2 JP2022529246A JP2022529246A JP7487772B2 JP 7487772 B2 JP7487772 B2 JP 7487772B2 JP 2022529246 A JP2022529246 A JP 2022529246A JP 2022529246 A JP2022529246 A JP 2022529246A JP 7487772 B2 JP7487772 B2 JP 7487772B2
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Japan
Prior art keywords
call
signal
filter coefficient
acoustic
audio signal
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JP2022529246A
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English (en)
Japanese (ja)
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JPWO2021245871A1 (https=
JPWO2021245871A5 (https=
Inventor
和則 小林
遼太郎 佐藤
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.)
NTT Inc
NTT Inc USA
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Inc USA
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Publication of JPWO2021245871A5 publication Critical patent/JPWO2021245871A5/ja
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/02—Synthesis of acoustic waves
    • 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
    • H04R3/12—Circuits for transducers for distributing signals to two or more loudspeakers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/1752—Masking
    • G10K11/1754—Speech masking
    • 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
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/01—Input selection or mixing for amplifiers or loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/03—Synergistic effects of band splitting and sub-band processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/307—Frequency adjustment, e.g. tone control

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Multimedia (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Telephone Function (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2022529246A 2020-06-04 2020-06-04 通話環境生成方法、通話環境生成装置、プログラム Active JP7487772B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/022081 WO2021245871A1 (ja) 2020-06-04 2020-06-04 通話環境生成方法、通話環境生成装置、プログラム

Publications (3)

Publication Number Publication Date
JPWO2021245871A1 JPWO2021245871A1 (https=) 2021-12-09
JPWO2021245871A5 JPWO2021245871A5 (https=) 2023-01-24
JP7487772B2 true JP7487772B2 (ja) 2024-05-21

Family

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JP2022529246A Active JP7487772B2 (ja) 2020-06-04 2020-06-04 通話環境生成方法、通話環境生成装置、プログラム

Country Status (5)

Country Link
US (1) US12183317B2 (https=)
EP (1) EP4164244B1 (https=)
JP (1) JP7487772B2 (https=)
CN (1) CN115804108B (https=)
WO (1) WO2021245871A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7653754B2 (ja) * 2022-09-09 2025-03-31 エーエーシーアコースティックテクノロジーズ（シンセン）カンパニーリミテッド 音漏れ除去方法及び装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004096664A (ja) 2002-09-04 2004-03-25 Matsushita Electric Ind Co Ltd ハンズフリー通話装置および方法
JP2004112528A (ja) 2002-09-19 2004-04-08 Matsushita Electric Ind Co Ltd 音響信号伝送装置および方法
JP2006303721A (ja) 2005-04-18 2006-11-02 Nec Corp 通話内容隠蔽システム、通話装置、通話内容隠蔽方法およびプログラム
JP2006339975A (ja) 2005-06-01 2006-12-14 Nissan Motor Co Ltd 秘話通話装置
JP2014176052A (ja) 2013-03-13 2014-09-22 Panasonic Corp ハンズフリー装置
JP2019066601A (ja) 2017-09-29 2019-04-25 沖電気工業株式会社 音響処理装置、プログラム及び方法
JP2019075748A (ja) 2017-10-18 2019-05-16 株式会社デンソーテン 車載装置、車載音響システムおよび音声出力方法

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Publication number Priority date Publication date Assignee Title
JPH05191491A (ja) * 1992-01-16 1993-07-30 Kyocera Corp 秘話モード付きハンズフリー電話装置
JP3410244B2 (ja) * 1995-04-17 2003-05-26 富士通テン株式会社 車載用音響システム
EP1301015B1 (en) * 2001-10-05 2006-01-04 Matsushita Electric Industrial Co., Ltd. Hands-Free device for mobile communication in a vehicle
JP5707871B2 (ja) * 2010-11-05 2015-04-30 ヤマハ株式会社 音声通話装置及び携帯電話
EP2850611B1 (en) * 2012-06-10 2019-08-21 Nuance Communications, Inc. Noise dependent signal processing for in-car communication systems with multiple acoustic zones
DE102014214052A1 (de) * 2014-07-18 2016-01-21 Bayerische Motoren Werke Aktiengesellschaft Virtuelle Verdeckungsmethoden
EP3040984B1 (en) * 2015-01-02 2022-07-13 Harman Becker Automotive Systems GmbH Sound zone arrangment with zonewise speech suppresion
EP3048608A1 (en) * 2015-01-20 2016-07-27 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Speech reproduction device configured for masking reproduced speech in a masked speech zone
EP3171613A1 (en) * 2015-11-20 2017-05-24 Harman Becker Automotive Systems GmbH Audio enhancement
KR102526081B1 (ko) * 2018-07-26 2023-04-27 현대자동차주식회사 차량 및 그 제어방법
CN109862472B (zh) 2019-02-21 2022-03-22 中科上声（苏州）电子有限公司 一种车内隐私通话方法和系统
US10418019B1 (en) * 2019-03-22 2019-09-17 GM Global Technology Operations LLC Method and system to mask occupant sounds in a ride sharing environment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004096664A (ja) 2002-09-04 2004-03-25 Matsushita Electric Ind Co Ltd ハンズフリー通話装置および方法
JP2004112528A (ja) 2002-09-19 2004-04-08 Matsushita Electric Ind Co Ltd 音響信号伝送装置および方法
JP2006303721A (ja) 2005-04-18 2006-11-02 Nec Corp 通話内容隠蔽システム、通話装置、通話内容隠蔽方法およびプログラム
JP2006339975A (ja) 2005-06-01 2006-12-14 Nissan Motor Co Ltd 秘話通話装置
JP2014176052A (ja) 2013-03-13 2014-09-22 Panasonic Corp ハンズフリー装置
JP2019066601A (ja) 2017-09-29 2019-04-25 沖電気工業株式会社 音響処理装置、プログラム及び方法
JP2019075748A (ja) 2017-10-18 2019-05-16 株式会社デンソーテン 車載装置、車載音響システムおよび音声出力方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
関貴志 他，"音場制御と聴覚マスキングの併用による円形スピーカアレイを用いたエリア再生法"，日本音響学会誌，2017年04月01日，Vol.73, No.4，pp.221-225

Also Published As

Publication number Publication date
EP4164244A1 (en) 2023-04-12
CN115804108B (zh) 2025-07-29
EP4164244B1 (en) 2025-04-02
JPWO2021245871A1 (https=) 2021-12-09
US12183317B2 (en) 2024-12-31
US20230230570A1 (en) 2023-07-20
WO2021245871A1 (ja) 2021-12-09
EP4164244A4 (en) 2024-03-20
CN115804108A (zh) 2023-03-14

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