FR3087608B1 - Enceinte acoustique et procede de modulation pour une enceinte acoustique - Google Patents

Enceinte acoustique et procede de modulation pour une enceinte acoustique Download PDF

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Publication number
FR3087608B1
FR3087608B1 FR1871197A FR1871197A FR3087608B1 FR 3087608 B1 FR3087608 B1 FR 3087608B1 FR 1871197 A FR1871197 A FR 1871197A FR 1871197 A FR1871197 A FR 1871197A FR 3087608 B1 FR3087608 B1 FR 3087608B1
Authority
FR
France
Prior art keywords
acoustic speaker
modulation process
acoustic
speaker
modulation
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
FR1871197A
Other languages
English (en)
Other versions
FR3087608A1 (fr
Inventor
Thibault Nowakowski
Ilan Kaddouch
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.)
AKOUSTIC ARTS
Original Assignee
AKOUSTIC ARTS
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 AKOUSTIC ARTS filed Critical AKOUSTIC ARTS
Priority to FR1871197A priority Critical patent/FR3087608B1/fr
Priority to US17/286,755 priority patent/US11490195B2/en
Priority to EP19808867.6A priority patent/EP3868127A1/fr
Priority to PCT/FR2019/052470 priority patent/WO2020079377A1/fr
Publication of FR3087608A1 publication Critical patent/FR3087608A1/fr
Application granted granted Critical
Publication of FR3087608B1 publication Critical patent/FR3087608B1/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
    • H04R1/40—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
    • 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
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/346—Circuits therefor using phase variation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
FR1871197A 2018-10-17 2018-10-17 Enceinte acoustique et procede de modulation pour une enceinte acoustique Active FR3087608B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1871197A FR3087608B1 (fr) 2018-10-17 2018-10-17 Enceinte acoustique et procede de modulation pour une enceinte acoustique
US17/286,755 US11490195B2 (en) 2018-10-17 2019-10-17 Loudspeaker enclosure and modulation method for a loudspeaker enclosure
EP19808867.6A EP3868127A1 (fr) 2018-10-17 2019-10-17 Enceinte acoustique et procédé de modulation pour une enceinte acoustique
PCT/FR2019/052470 WO2020079377A1 (fr) 2018-10-17 2019-10-17 Enceinte acoustique et procédé de modulation pour une enceinte acoustique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1871197A FR3087608B1 (fr) 2018-10-17 2018-10-17 Enceinte acoustique et procede de modulation pour une enceinte acoustique

Publications (2)

Publication Number Publication Date
FR3087608A1 FR3087608A1 (fr) 2020-04-24
FR3087608B1 true FR3087608B1 (fr) 2021-11-19

Family

ID=67262352

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1871197A Active FR3087608B1 (fr) 2018-10-17 2018-10-17 Enceinte acoustique et procede de modulation pour une enceinte acoustique

Country Status (4)

Country Link
US (1) US11490195B2 (fr)
EP (1) EP3868127A1 (fr)
FR (1) FR3087608B1 (fr)
WO (1) WO2020079377A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3119088B1 (fr) 2021-01-28 2023-05-12 Medergie Ltd Stimulateur et procédé pour appliquer une énergie acoustique dans une zone cible d’un individu
FR3136621A1 (fr) * 2022-06-10 2023-12-15 Akoustic Arts Enceinte directionnelle ultrasonore

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4865042A (en) * 1985-08-16 1989-09-12 Hitachi, Ltd. Ultrasonic irradiation system
US5269307A (en) * 1992-01-31 1993-12-14 Tetrad Corporation Medical ultrasonic imaging system with dynamic focusing
JP2000041294A (ja) * 1998-07-23 2000-02-08 Sony Corp ヘッドホンおよびその送信回路
DE19956690A1 (de) * 1999-11-25 2001-07-19 Harman Audio Electronic Sys Beschallungseinrichtung
WO2001050810A1 (fr) * 2000-01-04 2001-07-12 American Technology Corporation Emetteur sonique a couche piezo-electrique
US6726631B2 (en) 2000-08-08 2004-04-27 Ge Parallel Designs, Inc. Frequency and amplitude apodization of transducers
CN101674512A (zh) 2001-03-27 2010-03-17 1...有限公司 产生声场的方法和装置
JP4087199B2 (ja) * 2002-09-17 2008-05-21 三菱電機エンジニアリング株式会社 超指向性スピーカー
JP2007235930A (ja) * 2006-02-03 2007-09-13 Seiko Epson Corp 超音波スピーカの出力制御方法、超音波スピーカシステム、及び表示装置
US20090118619A1 (en) * 2006-02-23 2009-05-07 Mitsuhiro Oshiki Ultrasonic diagnostic apparatus and ultrasonic diagnostic method
US8319398B2 (en) * 2008-04-04 2012-11-27 Microsonic Systems Inc. Methods and systems to form high efficiency and uniform fresnel lens arrays for ultrasonic liquid manipulation
WO2010127283A1 (fr) * 2009-05-01 2010-11-04 Harman International Industries Incorporated Système de gestion spectrale
US20150071463A1 (en) * 2012-03-30 2015-03-12 Nokia Corporation Method and apparatus for filtering an audio signal
US10269340B2 (en) * 2012-06-15 2019-04-23 University Of Southern California Ultrasound beamformer with individual array element multiplexers
IL223086A (en) * 2012-11-18 2017-09-28 Noveto Systems Ltd System and method for creating sonic fields
WO2014133210A1 (fr) * 2013-02-28 2014-09-04 알피니언메디칼시스템 주식회사 Procédé pour confirmer la position d'un foyer et appareil médical ultrasonore destiné à cet effet
US9225291B2 (en) * 2013-10-29 2015-12-29 Freescale Semiconductor, Inc. Adaptive adjustment of power splitter
US9560445B2 (en) * 2014-01-18 2017-01-31 Microsoft Technology Licensing, Llc Enhanced spatial impression for home audio
US10757506B2 (en) * 2014-08-28 2020-08-25 Nanyang Technological University Amplifier circuit for a parametric transducer and a related audio device
JP6033927B1 (ja) * 2015-06-24 2016-11-30 ヤマハ株式会社 情報提供システムおよび情報提供方法
ES2669393B2 (es) * 2016-11-23 2018-11-19 Carlos CAPDEPÓN JIMÉNEZ Dispositivo de audio de contaminación acústica mínima
EP3402070B1 (fr) * 2017-05-11 2020-02-12 Infineon Technologies Austria AG Amplificateur audio de classe d à commande de grille réglable

Also Published As

Publication number Publication date
EP3868127A1 (fr) 2021-08-25
US11490195B2 (en) 2022-11-01
WO2020079377A1 (fr) 2020-04-23
US20210377656A1 (en) 2021-12-02
FR3087608A1 (fr) 2020-04-24

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