FR3105692B1 - Enceinte de diffusion de son par reverberation - Google Patents

Enceinte de diffusion de son par reverberation Download PDF

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Publication number
FR3105692B1
FR3105692B1 FR1915555A FR1915555A FR3105692B1 FR 3105692 B1 FR3105692 B1 FR 3105692B1 FR 1915555 A FR1915555 A FR 1915555A FR 1915555 A FR1915555 A FR 1915555A FR 3105692 B1 FR3105692 B1 FR 3105692B1
Authority
FR
France
Prior art keywords
waveguide
wall
reverberation
sound diffusion
speaker
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
FR1915555A
Other languages
English (en)
Other versions
FR3105692A1 (fr
Inventor
Bouchet Arnaud Cazes
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.)
Focal JMLab SAS
Original Assignee
Focal JMLab 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
Application filed by Focal JMLab SAS filed Critical Focal JMLab SAS
Priority to FR1915555A priority Critical patent/FR3105692B1/fr
Priority to EP20851218.6A priority patent/EP4082222A1/fr
Priority to US17/787,374 priority patent/US11627411B2/en
Priority to CN202080090030.XA priority patent/CN114930872B/zh
Priority to PCT/FR2020/052576 priority patent/WO2021130441A1/fr
Publication of FR3105692A1 publication Critical patent/FR3105692A1/fr
Application granted granted Critical
Publication of FR3105692B1 publication Critical patent/FR3105692B1/fr
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; 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
    • 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 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/34—Directing or guiding sound by means of a phase plug
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of 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
    • H04R2400/00—Loudspeakers
    • H04R2400/13—Use or details of compression drivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

L’invention concerne une enceinte de diffusion de son par réverbération (10) comportant :- un haut-parleur (11) comprenant un châssis fixe (12), un support cylindrique (13) et une membrane (14) reliée à une surface d’appui supérieure (16) dudit châssis (12) ; et- un guide d’onde (20) monté sur ladite surface d’appui supérieure (16), ledit guide d’onde présentant sensiblement la forme d’une pyramide tronquée avec une paroi de grande longueur (21) formant une face avant (Fa), une paroi de faible longueur (22) et des montants latéraux (23) ;ledit guide d’onde (20) comportant au moins un mur acoustique (25) fixé sur lesdits montants latéraux (23), ledit mur acoustique (25) s’étendant tangentiellement par rapport à la droite génératrice (Dg) dudit support cylindrique (13) la plus proche de ladite face avant (Fa). Figure pour abrégé : Figure 3.
FR1915555A 2019-12-24 2019-12-24 Enceinte de diffusion de son par reverberation Active FR3105692B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR1915555A FR3105692B1 (fr) 2019-12-24 2019-12-24 Enceinte de diffusion de son par reverberation
EP20851218.6A EP4082222A1 (fr) 2019-12-24 2020-12-21 Enceinte de diffusion de son par reverberation
US17/787,374 US11627411B2 (en) 2019-12-24 2020-12-21 Enclosure for diffusing sound by reverberation
CN202080090030.XA CN114930872B (zh) 2019-12-24 2020-12-21 用于通过混响扩散声音的音箱
PCT/FR2020/052576 WO2021130441A1 (fr) 2019-12-24 2020-12-21 Enceinte de diffusion de son par reverberation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1915555A FR3105692B1 (fr) 2019-12-24 2019-12-24 Enceinte de diffusion de son par reverberation
FR1915555 2019-12-24

Publications (2)

Publication Number Publication Date
FR3105692A1 FR3105692A1 (fr) 2021-06-25
FR3105692B1 true FR3105692B1 (fr) 2022-01-14

Family

ID=70738660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1915555A Active FR3105692B1 (fr) 2019-12-24 2019-12-24 Enceinte de diffusion de son par reverberation

Country Status (5)

Country Link
US (1) US11627411B2 (fr)
EP (1) EP4082222A1 (fr)
CN (1) CN114930872B (fr)
FR (1) FR3105692B1 (fr)
WO (1) WO2021130441A1 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6343133B1 (en) * 1999-07-22 2002-01-29 Alan Brock Adamson Axially propagating mid and high frequency loudspeaker systems
ITBS20010073A1 (it) * 2001-10-03 2003-04-03 Outline Di Noselli G & C S N C Altoparlante a guida d'onda a dispersione controllata e regolabile
US7802650B2 (en) * 2008-07-09 2010-09-28 John Kevin Bartlett Combination midrange and high frequency horn
ITRM20120086A1 (it) * 2012-03-08 2013-09-09 Emanuele Basile Sistema di regolazione meccanica per orientazione faschio sonoro sal steering acuostic lent
ES2606678T3 (es) * 2012-08-31 2017-03-27 Dolby Laboratories Licensing Corporation Presentación de sonido reflejado para audio con base de objeto
EP2971393A4 (fr) * 2013-03-15 2016-11-16 Richard O'polka Système sonore portable
WO2015105809A1 (fr) * 2014-01-10 2015-07-16 Dolby Laboratories Licensing Corporation Rendu sonore réfléchi au moyen de haut-parleurs reproduisant le son vers le bas
US9392358B2 (en) * 2014-10-28 2016-07-12 Robert Bosch Gmbh Waveguide for shaping sound waves
CN107925813B (zh) * 2015-08-14 2020-01-14 杜比实验室特许公司 具有不对称扩散以用于经反射声音再现的向上激发扩音器
US10785560B2 (en) * 2016-05-09 2020-09-22 Samsung Electronics Co., Ltd. Waveguide for a height channel in a speaker
US11564032B2 (en) * 2021-04-30 2023-01-24 Harman International Industries, Incorporated Speaker system with asymmetrical coverage horn

Also Published As

Publication number Publication date
FR3105692A1 (fr) 2021-06-25
CN114930872B (zh) 2023-04-04
US20230044069A1 (en) 2023-02-09
WO2021130441A1 (fr) 2021-07-01
CN114930872A (zh) 2022-08-19
EP4082222A1 (fr) 2022-11-02
US11627411B2 (en) 2023-04-11

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