JPWO2022180685A1 - - Google Patents

Info

Publication number
JPWO2022180685A1
JPWO2022180685A1 JP2023501714A JP2023501714A JPWO2022180685A1 JP WO2022180685 A1 JPWO2022180685 A1 JP WO2022180685A1 JP 2023501714 A JP2023501714 A JP 2023501714A JP 2023501714 A JP2023501714 A JP 2023501714A JP WO2022180685 A1 JPWO2022180685 A1 JP WO2022180685A1
Authority
JP
Japan
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.)
Granted
Application number
JP2023501714A
Other languages
Japanese (ja)
Other versions
JP7593471B2 (ja
JPWO2022180685A5 (https=
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 filed Critical
Publication of JPWO2022180685A1 publication Critical patent/JPWO2022180685A1/ja
Publication of JPWO2022180685A5 publication Critical patent/JPWO2022180685A5/ja
Application granted granted Critical
Publication of JP7593471B2 publication Critical patent/JP7593471B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H04R2203/00—Details of circuits for transducers, loudspeakers or microphones covered by H04R3/00 but not provided for in any of its subgroups
    • H04R2203/12—Beamforming aspects for stereophonic sound reproduction with loudspeaker arrays
    • 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

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2023501714A 2021-02-24 2021-02-24 音響システム Active JP7593471B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/006870 WO2022180685A1 (ja) 2021-02-24 2021-02-24 音響システム

Publications (3)

Publication Number Publication Date
JPWO2022180685A1 true JPWO2022180685A1 (https=) 2022-09-01
JPWO2022180685A5 JPWO2022180685A5 (https=) 2023-11-09
JP7593471B2 JP7593471B2 (ja) 2024-12-03

Family

ID=83047842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023501714A Active JP7593471B2 (ja) 2021-02-24 2021-02-24 音響システム

Country Status (3)

Country Link
US (1) US20240236559A9 (https=)
JP (1) JP7593471B2 (https=)
WO (1) WO2022180685A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6195189U (https=) * 1984-11-28 1986-06-19
JPH0833086A (ja) * 1994-07-19 1996-02-02 Biiba Kk アクティブ狭指向性スピーカ
JP2005003777A (ja) * 2003-06-10 2005-01-06 Rikogaku Shinkokai 吸音システム
JP2010045574A (ja) * 2008-08-12 2010-02-25 Sony Corp ハンズフリー通話装置、ハンズフリー通話機能付き音響再生装置、ハンズフリー通話方法
JP2019212940A (ja) * 2018-05-31 2019-12-12 パナソニックＩｐマネジメント株式会社 スピーカシステムおよび騒音制御装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5109416A (en) * 1990-09-28 1992-04-28 Croft James J Dipole speaker for producing ambience sound
JP4239026B2 (ja) * 2005-05-13 2009-03-18 ソニー株式会社 音響再生方法および音響再生システム
US8457324B2 (en) * 2005-08-16 2013-06-04 Honeywell International Inc. Directional speaker system
JP4722878B2 (ja) * 2007-04-19 2011-07-13 ソニー株式会社 ノイズ低減装置および音響再生装置
US8325938B2 (en) * 2008-08-12 2012-12-04 Sony Corporation Handsfree call apparatus, acoustic reproducing apparatus with handsfree call function, and handsfree call method
KR101547639B1 (ko) * 2009-05-22 2015-08-27 삼성전자 주식회사 사운드 포커싱 장치 및 방법
JP5457874B2 (ja) * 2010-02-19 2014-04-02 日本電信電話株式会社 局所再生装置とその方法と、プログラム
WO2019139103A1 (ja) * 2018-01-12 2019-07-18 ソニー株式会社 音響装置
GB201805523D0 (en) * 2018-04-04 2018-05-16 Pss Belgium Nv Loudspeaker unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6195189U (https=) * 1984-11-28 1986-06-19
JPH0833086A (ja) * 1994-07-19 1996-02-02 Biiba Kk アクティブ狭指向性スピーカ
JP2005003777A (ja) * 2003-06-10 2005-01-06 Rikogaku Shinkokai 吸音システム
JP2010045574A (ja) * 2008-08-12 2010-02-25 Sony Corp ハンズフリー通話装置、ハンズフリー通話機能付き音響再生装置、ハンズフリー通話方法
JP2019212940A (ja) * 2018-05-31 2019-12-12 パナソニックＩｐマネジメント株式会社 スピーカシステムおよび騒音制御装置

Also Published As

Publication number Publication date
US20240137694A1 (en) 2024-04-25
JP7593471B2 (ja) 2024-12-03
WO2022180685A1 (ja) 2022-09-01
US20240236559A9 (en) 2024-07-11

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