JP7605220B2 - 音響システム - Google Patents

音響システム Download PDF

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Publication number
JP7605220B2
JP7605220B2 JP2022558673A JP2022558673A JP7605220B2 JP 7605220 B2 JP7605220 B2 JP 7605220B2 JP 2022558673 A JP2022558673 A JP 2022558673A JP 2022558673 A JP2022558673 A JP 2022558673A JP 7605220 B2 JP7605220 B2 JP 7605220B2
Authority
JP
Japan
Prior art keywords
speaker unit
speaker
seat
acoustic
sound
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.)
Active
Application number
JP2022558673A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022091254A5 (https=
JPWO2022091254A1 (https=
Inventor
勝宏 福井
和則 小林
記良 鎌土
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
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 Nippon Telegraph and Telephone Corp, NTT Inc USA filed Critical Nippon Telegraph and Telephone Corp
Publication of JPWO2022091254A1 publication Critical patent/JPWO2022091254A1/ja
Publication of JPWO2022091254A5 publication Critical patent/JPWO2022091254A5/ja
Application granted granted Critical
Publication of JP7605220B2 publication Critical patent/JP7605220B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • 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
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H04R5/023—Spatial or constructional arrangements of loudspeakers in a chair, pillow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • 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
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • 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
    • H04R3/02—Circuits for transducers for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
JP2022558673A 2020-10-28 2020-10-28 音響システム Active JP7605220B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/040452 WO2022091254A1 (ja) 2020-10-28 2020-10-28 音響システム

Publications (3)

Publication Number Publication Date
JPWO2022091254A1 JPWO2022091254A1 (https=) 2022-05-05
JPWO2022091254A5 JPWO2022091254A5 (https=) 2023-06-28
JP7605220B2 true JP7605220B2 (ja) 2024-12-24

Family

ID=81383797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022558673A Active JP7605220B2 (ja) 2020-10-28 2020-10-28 音響システム

Country Status (3)

Country Link
US (1) US20230379627A1 (https=)
JP (1) JP7605220B2 (https=)
WO (1) WO2022091254A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025099791A1 (ja) * 2023-11-06 2025-05-15 日本電信電話株式会社 生成装置、生成方法、およびプログラム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006508573A (ja) 2002-11-28 2006-03-09 ダイムラークライスラー・アクチェンゲゼルシャフト 車両内における音響波誘導
JP2008271067A (ja) 2007-04-19 2008-11-06 Sony Corp ノイズ低減装置および音響再生装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0717916B1 (en) * 1994-06-08 2002-10-30 Nortel Networks Limited A personal hands free communications device
JPH0833086A (ja) * 1994-07-19 1996-02-02 Biiba Kk アクティブ狭指向性スピーカ
US7684577B2 (en) * 2001-05-28 2010-03-23 Mitsubishi Denki Kabushiki Kaisha Vehicle-mounted stereophonic sound field reproducer
JP2008141465A (ja) * 2006-12-01 2008-06-19 Fujitsu Ten Ltd 音場再生システム
US9100748B2 (en) * 2007-05-04 2015-08-04 Bose Corporation System and method for directionally radiating sound
GB201805523D0 (en) * 2018-04-04 2018-05-16 Pss Belgium Nv Loudspeaker unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006508573A (ja) 2002-11-28 2006-03-09 ダイムラークライスラー・アクチェンゲゼルシャフト 車両内における音響波誘導
JP2008271067A (ja) 2007-04-19 2008-11-06 Sony Corp ノイズ低減装置および音響再生装置

Also Published As

Publication number Publication date
US20230379627A1 (en) 2023-11-23
WO2022091254A1 (ja) 2022-05-05
JPWO2022091254A1 (https=) 2022-05-05

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