FR3118264B1 - Procédé restitution sonore permettant de générer des zones d’écoute différenciées dans un espace clos tel qu’un habitable de véhicule - Google Patents

Procédé restitution sonore permettant de générer des zones d’écoute différenciées dans un espace clos tel qu’un habitable de véhicule Download PDF

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Publication number
FR3118264B1
FR3118264B1 FR2014082A FR2014082A FR3118264B1 FR 3118264 B1 FR3118264 B1 FR 3118264B1 FR 2014082 A FR2014082 A FR 2014082A FR 2014082 A FR2014082 A FR 2014082A FR 3118264 B1 FR3118264 B1 FR 3118264B1
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FR
France
Prior art keywords
vehicle interior
enclosed space
sound reproduction
reproduction process
input signal
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
FR2014082A
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English (en)
Other versions
FR3118264A1 (fr
Inventor
Lucas Vindrola
Jean Christophe Chamard
Manuel Melon
Bruno Gazengel
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.)
Centre National de la Recherche Scientifique CNRS
PSA Automobiles SA
Le Mans Universite
Original Assignee
Centre National de la Recherche Scientifique CNRS
PSA Automobiles SA
Le Mans Universite
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Publication date
Application filed by Centre National de la Recherche Scientifique CNRS, PSA Automobiles SA, Le Mans Universite filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR2014082A priority Critical patent/FR3118264B1/fr
Publication of FR3118264A1 publication Critical patent/FR3118264A1/fr
Application granted granted Critical
Publication of FR3118264B1 publication Critical patent/FR3118264B1/fr
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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
    • H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
    • 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
    • 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H04R5/023—Spatial or constructional arrangements of loudspeakers in a chair, pillow
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
    • 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
    • H04R1/32—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
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

L’invention concerne un procédé de restitution sonore permettant de générer des zones d’écoute différenciées, comportant les étapes suivantes : - transmettre (62) un signal d’entrée vers chaque source sonore, le signal d’entrée étant préalablement filtré, pour chaque source sonore, par un respectif d’un premier jeu de filtres numériques ; - mesurer (64), pour chaque zone d’écoute, la pression acoustique restituée au niveau d’au moins deux points de contrôle, un microphone de contrôle étant disposé au niveau de chaque point de contrôle de la zone d’écoute correspondante ; - calculer (66) une erreur pour chaque microphone de contrôle, en comparant, pour chaque point de contrôle de chaque zone d’écoute, la pression acoustique restituée à une pression acoustique cible dépendant du signal d’entrée ; - déterminer (68), en fonction de chaque erreur, une correction à apporter ; - appliquer (70) pour chaque filtre la correction déterminée lors de l’étape précédente. Figure pour l’abrégé : Fig. 4
FR2014082A 2020-12-23 2020-12-23 Procédé restitution sonore permettant de générer des zones d’écoute différenciées dans un espace clos tel qu’un habitable de véhicule Active FR3118264B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2014082A FR3118264B1 (fr) 2020-12-23 2020-12-23 Procédé restitution sonore permettant de générer des zones d’écoute différenciées dans un espace clos tel qu’un habitable de véhicule

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2014082A FR3118264B1 (fr) 2020-12-23 2020-12-23 Procédé restitution sonore permettant de générer des zones d’écoute différenciées dans un espace clos tel qu’un habitable de véhicule
FR2014082 2020-12-23

Publications (2)

Publication Number Publication Date
FR3118264A1 FR3118264A1 (fr) 2022-06-24
FR3118264B1 true FR3118264B1 (fr) 2023-11-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR2014082A Active FR3118264B1 (fr) 2020-12-23 2020-12-23 Procédé restitution sonore permettant de générer des zones d’écoute différenciées dans un espace clos tel qu’un habitable de véhicule

Country Status (1)

Country Link
FR (1) FR3118264B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117804520A (zh) * 2024-02-29 2024-04-02 杭州爱华仪器有限公司 一种用于声学成像仪检定的系统及调节方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2257083B1 (fr) * 2009-05-28 2011-12-14 Dirac Research AB Contrôle de champ sonore dans plusieurs régions d'écoute
EP3040984B1 (fr) * 2015-01-02 2022-07-13 Harman Becker Automotive Systems GmbH Agencement de zone acoustique avec suppression vocale par zone
KR20200035033A (ko) * 2017-08-01 2020-04-01 하만 베커 오토모티브 시스템즈 게엠베하 능동 도로 소음 제어
SE543816C2 (en) * 2019-01-15 2021-08-03 Faurecia Creo Ab Method and system for creating a plurality of sound zones within an acoustic cavity

Also Published As

Publication number Publication date
FR3118264A1 (fr) 2022-06-24

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