EP4082222C0 - Enclosure for diffusing sound by reverberation - Google Patents

Enclosure for diffusing sound by reverberation

Info

Publication number: EP4082222C0
Authority: EP; European Patent Office
Prior art keywords: reverberation; enclosure; diffusing sound; diffusing; sound
Prior art date: 2019-12-24
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

EP20851218.6A

Other languages

German (de)

French (fr)

Other versions

EP4082222A1 (en

EP4082222B1 (en

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.)

2019-12-24

Filing date

2020-12-21

Publication date

2024-11-20

2020-12-21 Application filed by Focal JMLab SAS filed Critical Focal JMLab SAS

2022-11-02 Publication of EP4082222A1 publication Critical patent/EP4082222A1/en

2024-11-20 Application granted granted Critical

2024-11-20 Publication of EP4082222C0 publication Critical patent/EP4082222C0/en

2024-11-20 Publication of EP4082222B1 publication Critical patent/EP4082222B1/en

Status Active legal-status Critical Current

2040-12-21 Anticipated expiration legal-status Critical

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)

EP20851218.6A 2019-12-24 2020-12-21 Enclosure for diffusing sound by reverberation Active EP4082222B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR1915555A FR3105692B1 (en)	2019-12-24	2019-12-24	SOUND DIFFUSION SPEAKER BY REVERBERATION
PCT/FR2020/052576 WO2021130441A1 (en)	2019-12-24	2020-12-21	Enclosure for diffusing sound by reverberation

Publications (3)

Publication Number	Publication Date
EP4082222A1 EP4082222A1 (en)	2022-11-02
EP4082222C0 true EP4082222C0 (en)	2024-11-20
EP4082222B1 EP4082222B1 (en)	2024-11-20

Family

ID=70738660

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20851218.6A Active EP4082222B1 (en)	2019-12-24	2020-12-21	Enclosure for diffusing sound by reverberation

Country Status (5)

Country	Link
US (1)	US11627411B2 (en)
EP (1)	EP4082222B1 (en)
CN (1)	CN114930872B (en)
FR (1)	FR3105692B1 (en)
WO (1)	WO2021130441A1 (en)

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 (en) *	2001-10-03	2003-04-03	Outline Di Noselli G & C S N C	CONTROLLED AND ADJUSTABLE DISPERSION WAVE GUIDE SPEAKER
US7802650B2 (en) *	2008-07-09	2010-09-28	John Kevin Bartlett	Combination midrange and high frequency horn
ITRM20120086A1 (en) *	2012-03-08	2013-09-09	Emanuele Basile	MECHANICAL ADJUSTMENT SYSTEM FOR ORIENTATION SOUND HOOK SAL STEERING ACUOSTIC LENT
CN107509141B (en) *	2012-08-31	2019-08-27	杜比实验室特许公司	Audio processing apparatus with channel remapper and object renderer
WO2014144968A1 (en) *	2013-03-15	2014-09-18	O'polka Richard	Portable sound system
EP3092819A1 (en) *	2014-01-10	2016-11-16	Dolby Laboratories Licensing Corporation	Reflected sound rendering using downward firing drivers
US9392358B2 (en) *	2014-10-28	2016-07-12	Robert Bosch Gmbh	Waveguide for shaping sound waves
WO2017030914A1 (en) *	2015-08-14	2017-02-23	Dolby Laboratories Licensing Corporation	Upward firing loudspeaker having asymmetric dispersion for reflected sound rendering
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

2019
- 2019-12-24 FR FR1915555A patent/FR3105692B1/en active Active
2020
- 2020-12-21 US US17/787,374 patent/US11627411B2/en active Active
- 2020-12-21 EP EP20851218.6A patent/EP4082222B1/en active Active
- 2020-12-21 CN CN202080090030.XA patent/CN114930872B/en active Active
- 2020-12-21 WO PCT/FR2020/052576 patent/WO2021130441A1/en unknown

Also Published As

Publication number	Publication date
WO2021130441A1 (en)	2021-07-01
CN114930872A (en)	2022-08-19
CN114930872B (en)	2023-04-04
EP4082222A1 (en)	2022-11-02
EP4082222B1 (en)	2024-11-20
FR3105692A1 (en)	2021-06-25
US20230044069A1 (en)	2023-02-09
FR3105692B1 (en)	2022-01-14
US11627411B2 (en)	2023-04-11

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GB201802850D0 (en)	2018-04-11	Positioning sound sources
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Legal Events

Date	Code	Title	Description
2021-02-15	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: UNKNOWN
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2022-09-30	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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