FR3100680B1 - Dispositif de diffusion sonore a directivite large bande controlee - Google Patents

Dispositif de diffusion sonore a directivite large bande controlee Download PDF

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Publication number
FR3100680B1
FR3100680B1 FR1909890A FR1909890A FR3100680B1 FR 3100680 B1 FR3100680 B1 FR 3100680B1 FR 1909890 A FR1909890 A FR 1909890A FR 1909890 A FR1909890 A FR 1909890A FR 3100680 B1 FR3100680 B1 FR 3100680B1
Authority
FR
France
Prior art keywords
diffusion device
sound diffusion
controlled broadband
directivity
broadband directivity
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
FR1909890A
Other languages
English (en)
Other versions
FR3100680A1 (fr
Inventor
Christian Heil
Christophe Combet
Mathias Remy
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.)
L Acoustics SAS
Original Assignee
L Acoustics SAS
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
Priority to FR1909890A priority Critical patent/FR3100680B1/fr
Application filed by L Acoustics SAS filed Critical L Acoustics SAS
Priority to PCT/EP2020/074620 priority patent/WO2021047993A1/fr
Priority to EP20764127.5A priority patent/EP4029288A1/fr
Priority to CA3150512A priority patent/CA3150512A1/fr
Priority to US17/753,615 priority patent/US20230053097A1/en
Priority to JP2022600036U priority patent/JP3240188U/ja
Priority to CN202080077854.3A priority patent/CN114651450A/zh
Publication of FR3100680A1 publication Critical patent/FR3100680A1/fr
Application granted granted Critical
Publication of FR3100680B1 publication Critical patent/FR3100680B1/fr
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; DEAF-AID SETS; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers

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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

La présente demande a pour objet une enceinte acoustique comprenant une pluralité de sources acoustiques et présentant une directivité large bande contrôlée. Fig.11A
FR1909890A 2019-09-09 2019-09-09 Dispositif de diffusion sonore a directivite large bande controlee Active FR3100680B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR1909890A FR3100680B1 (fr) 2019-09-09 2019-09-09 Dispositif de diffusion sonore a directivite large bande controlee
EP20764127.5A EP4029288A1 (fr) 2019-09-09 2020-09-03 Dispositif de diffusion sonore a directivite large bande controlee
CA3150512A CA3150512A1 (fr) 2019-09-09 2020-09-03 Dispositif de diffusion sonore a directivite large bande controlee
US17/753,615 US20230053097A1 (en) 2019-09-09 2020-09-03 Sound diffusion device with controlled broadband directivity
PCT/EP2020/074620 WO2021047993A1 (fr) 2019-09-09 2020-09-03 Dispositif de diffusion sonore a directivite large bande controlee
JP2022600036U JP3240188U (ja) 2019-09-09 2020-09-03 制御されたブロードバンド指向性を有する音拡散デバイス
CN202080077854.3A CN114651450A (zh) 2019-09-09 2020-09-03 一种大受控宽带的方向性扩音装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1909890 2019-09-09
FR1909890A FR3100680B1 (fr) 2019-09-09 2019-09-09 Dispositif de diffusion sonore a directivite large bande controlee

Publications (2)

Publication Number Publication Date
FR3100680A1 FR3100680A1 (fr) 2021-03-12
FR3100680B1 true FR3100680B1 (fr) 2022-11-04

Family

ID=68987920

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1909890A Active FR3100680B1 (fr) 2019-09-09 2019-09-09 Dispositif de diffusion sonore a directivite large bande controlee

Country Status (7)

Country Link
US (1) US20230053097A1 (fr)
EP (1) EP4029288A1 (fr)
JP (1) JP3240188U (fr)
CN (1) CN114651450A (fr)
CA (1) CA3150512A1 (fr)
FR (1) FR3100680B1 (fr)
WO (1) WO2021047993A1 (fr)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH248861A (de) * 1944-05-30 1947-05-31 Philips Nv Stereophonisches Wiedergabegerät.
US3688864A (en) * 1970-04-16 1972-09-05 Talbot American Corp Infinite dynamic damping loudspeaker systems
FR2627886B1 (fr) * 1988-02-29 1994-05-13 Heil Christian Guide d'onde sonore cylindrique
JPH0698392A (ja) * 1991-03-28 1994-04-08 Nippon Columbia Co Ltd 音響装置
DE19639159C2 (de) * 1996-09-24 1998-09-03 Heinz Juergen Dipl In Augustin Lautsprecherbox
US7298860B2 (en) * 2000-07-31 2007-11-20 Harman International Industries, Incorporated Rigging system for line array speakers
GB0306415D0 (en) * 2003-03-20 2003-04-23 Andrews Anthony J Loudspeaker array
WO2008115284A2 (fr) * 2006-10-16 2008-09-25 Thx Ltd. Configurations d'agencement en ligne de haut-parleurs, et traitement de son s'y rapportant
AU2012279357B2 (en) * 2011-07-01 2016-01-14 Dolby Laboratories Licensing Corporation System and method for adaptive audio signal generation, coding and rendering
US10375468B2 (en) * 2013-01-18 2019-08-06 Harman International Industries, Incorporated Rigging system for speakers
US10261519B2 (en) * 2014-05-28 2019-04-16 Harman International Industries, Incorporated Techniques for arranging stage elements on a stage
US20170251296A1 (en) * 2014-09-19 2017-08-31 Dolby Laboratories Licensing Corporation Loudspeaker with narrow dispersion
WO2016054100A1 (fr) * 2014-09-30 2016-04-07 Nunntawi Dynamics Llc Haut-parleur avec réduction de la coloration audio causée par des réflexions à partir d'une surface
JPWO2017038017A1 (ja) * 2015-09-01 2018-06-14 パナソニックＩｐマネジメント株式会社 スピーカ装置
DE102016124084B4 (de) * 2016-12-12 2023-06-29 D&B Audiotechnik Gmbh & Co. Kg Lautsprechersystem mit Richtwirkung
FR3062233B1 (fr) * 2017-01-24 2020-03-20 L-Acoustics Systeme de diffusion sonore
FR3072840B1 (fr) * 2017-10-23 2021-06-04 L Acoustics Arrangement spatial de dispositifs de diffusion sonore
CN113785597A (zh) * 2019-05-13 2021-12-10 索尼集团公司 声学反射器、扬声器单元和椅子

Also Published As

Publication number Publication date
CA3150512A1 (fr) 2021-03-18
JP3240188U (ja) 2022-12-14
FR3100680A1 (fr) 2021-03-12
WO2021047993A1 (fr) 2021-03-18
CN114651450A (zh) 2022-06-21
EP4029288A1 (fr) 2022-07-20
US20230053097A1 (en) 2023-02-16

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