An apparatus for reducing baffle vibration includes a baffle that is subject to vibration. A first transducer that is seated in the baffle includes a first diaphragm that is acoustically coupled to a listening area in a vehicle and also acoustically coupled to a cavity in the vehicle. A first input signal applied to the first transducer causes the first diaphragm to move in a first direction, thereby generating an acoustic output. A second transducer is mechanically coupled to the first transducer. The second transducer includes a second diaphragm that is acoustically coupled to the first diaphragm and also acoustically coupled to the listening area. A second input signal applied to the second transducer causes the second diaphragm to move in a second direction that is substantially opposite to the first direction to reduce a vibration imparted to the baffle while substantially maintaining the acoustic output.


    Access

    Download


    Export, share and cite



    Title :

    Baffle vibration reduction in a loudspeaker housing


    Additional title:

    Verminderung von Schwingungen in einem Lautsprechergehäuse
    Diminution de vibrations dans une enceinte acoustique



    Publication date :

    2018-01-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



    Loudspeaker basket with splash baffle

    GARCIA MARK | European Patent Office | 2023

    Free access

    BOXED LOUDSPEAKER AND HOUSING THEREOF

    SHEHU ARDI / CORYNEN DAVID | European Patent Office | 2024

    Free access

    BOXED LOUDSPEAKER AND HOUSING THEREOF

    SHEHU ARDI / CORYNEN DAVID | European Patent Office | 2022

    Free access

    Noise reduction baffle and plastic fuel tank comprising such a baffle

    JACOB PIERRE / L HERMITE YOHANN / GUILLERME HERVE et al. | European Patent Office | 2016

    Free access