EP4082222A1 - Gehäuse zur schalldämpfung durch nachhall - Google Patents

Gehäuse zur schalldämpfung durch nachhall

Info

Publication number
EP4082222A1
EP4082222A1 EP20851218.6A EP20851218A EP4082222A1 EP 4082222 A1 EP4082222 A1 EP 4082222A1 EP 20851218 A EP20851218 A EP 20851218A EP 4082222 A1 EP4082222 A1 EP 4082222A1
Authority
EP
European Patent Office
Prior art keywords
wall
enclosure
waveguide
reverberation
acoustic
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.)
Pending
Application number
EP20851218.6A
Other languages
English (en)
French (fr)
Inventor
Arnaud Cazes Bouchet
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
Publication of EP4082222A1 publication Critical patent/EP4082222A1/de
Pending legal-status Critical Current

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
    • 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
EP20851218.6A 2019-12-24 2020-12-21 Gehäuse zur schalldämpfung durch nachhall Pending EP4082222A1 (de)

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
PCT/FR2020/052576 WO2021130441A1 (fr) 2019-12-24 2020-12-21 Enceinte de diffusion de son par reverberation

Publications (1)

Publication Number Publication Date
EP4082222A1 true EP4082222A1 (de) 2022-11-02

Family

ID=70738660

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20851218.6A Pending EP4082222A1 (de) 2019-12-24 2020-12-21 Gehäuse zur schalldämpfung durch nachhall

Country Status (5)

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

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
WO2014036085A1 (en) * 2012-08-31 2014-03-06 Dolby Laboratories Licensing Corporation Reflected sound rendering for object-based audio
WO2014144968A1 (en) * 2013-03-15 2014-09-18 O'polka Richard Portable sound system
EP3092819A1 (de) * 2014-01-10 2016-11-16 Dolby Laboratories Licensing Corporation Reflektierte tonwiedergabe mit abwärts abfeuernden treibern
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
US20230044069A1 (en) 2023-02-09
US11627411B2 (en) 2023-04-11
CN114930872B (zh) 2023-04-04
FR3105692A1 (fr) 2021-06-25
WO2021130441A1 (fr) 2021-07-01
FR3105692B1 (fr) 2022-01-14
CN114930872A (zh) 2022-08-19

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