JP7758164B2 - 音響システム - Google Patents

音響システム

Info

Publication number
JP7758164B2
JP7758164B2 JP2024510592A JP2024510592A JP7758164B2 JP 7758164 B2 JP7758164 B2 JP 7758164B2 JP 2024510592 A JP2024510592 A JP 2024510592A JP 2024510592 A JP2024510592 A JP 2024510592A JP 7758164 B2 JP7758164 B2 JP 7758164B2
Authority
JP
Japan
Prior art keywords
speaker
speaker unit
sound
user
acoustic signal
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
JP2024510592A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023187901A1 (https=
Inventor
勝宏 福井
和則 小林
記良 鎌土
洋平 脇阪
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 JPWO2023187901A1 publication Critical patent/JPWO2023187901A1/ja
Application granted granted Critical
Publication of JP7758164B2 publication Critical patent/JP7758164B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • 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
    • H04R3/00—Circuits for transducers
    • H04R3/12—Circuits for transducers for distributing signals to two or more 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
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles
    • G10K2210/1281—Aircraft, e.g. spacecraft, airplane or helicopter
    • 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
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • H04R1/347—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers for obtaining a phase-shift between the front and back acoustic wave
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2024510592A 2022-03-28 2022-03-28 音響システム Active JP7758164B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/014993 WO2023187901A1 (ja) 2022-03-28 2022-03-28 音響システム

Publications (2)

Publication Number Publication Date
JPWO2023187901A1 JPWO2023187901A1 (https=) 2023-10-05
JP7758164B2 true JP7758164B2 (ja) 2025-10-22

Family

ID=88199652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024510592A Active JP7758164B2 (ja) 2022-03-28 2022-03-28 音響システム

Country Status (3)

Country Link
US (1) US20250211899A1 (https=)
JP (1) JP7758164B2 (https=)
WO (1) WO2023187901A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025183727A (ja) * 2024-06-05 2025-12-17 アルプスアルパイン株式会社 チェア用音響システム及びスピーカ内蔵チェア

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003087888A (ja) 2001-09-06 2003-03-20 Onkyo Corp 指向性制御装置および遊戯装置
JP2003087893A (ja) 2001-09-13 2003-03-20 Onkyo Corp スピーカ装置の配置方法、および音響再生装置
JP2014505427A (ja) 2011-01-04 2014-02-27 ディーティーエス・エルエルシー 没入型オーディオ・レンダリング・システム
WO2021192166A1 (ja) 2020-03-26 2021-09-30 日本電信電話株式会社 音響システム
JP2021154807A (ja) 2020-03-26 2021-10-07 パナソニックＩｐマネジメント株式会社 車両近接報知システム、車両および車両近接報知方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9826328B2 (en) * 2012-08-31 2017-11-21 Dolby Laboratories Licensing Corporation System for rendering and playback of object based audio in various listening environments
JP2015106799A (ja) * 2013-11-29 2015-06-08 株式会社東芝 方法および電子機器
WO2021199115A1 (ja) * 2020-03-30 2021-10-07 日本電信電話株式会社 音響システム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003087888A (ja) 2001-09-06 2003-03-20 Onkyo Corp 指向性制御装置および遊戯装置
JP2003087893A (ja) 2001-09-13 2003-03-20 Onkyo Corp スピーカ装置の配置方法、および音響再生装置
JP2014505427A (ja) 2011-01-04 2014-02-27 ディーティーエス・エルエルシー 没入型オーディオ・レンダリング・システム
WO2021192166A1 (ja) 2020-03-26 2021-09-30 日本電信電話株式会社 音響システム
JP2021154807A (ja) 2020-03-26 2021-10-07 パナソニックＩｐマネジメント株式会社 車両近接報知システム、車両および車両近接報知方法

Also Published As

Publication number Publication date
WO2023187901A1 (ja) 2023-10-05
JPWO2023187901A1 (https=) 2023-10-05
US20250211899A1 (en) 2025-06-26

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