During the development of an automotive acoustic package, valuable information can be gained by visualizing the acoustic energy flow through the Front-of-Dash (FOD) when a sound source is placed in the engine compartment. Two of the commonly used methods for generating the visual map of the acoustic field include Sound Intensity measurements and array technologies. An alternative method is to use a tracked 3-dimensional acoustic probe to scan and visualize the FOD in real-time when the sound source is injecting noise into the engine compartment. The scan is used to focus the development of the FOD acoustic package on the weakest areas by identifying acoustic leaks and locations with low Transmission Loss. This paper provides a brief discussion of the capabilities of the tracked 3-D acoustic probe, and presents examples of the implementation of the probe during the development of the FOD acoustic package for two mid-sized sedans.


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    Title :

    Utilizing a Tracked 3-Dimensional Acoustic Probe in the Development of an Automotive Front-of-Dash


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Noise and Vibration Conference and Exhibition ; 2017



    Publication date :

    2017-06-05




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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