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[help] sound sensor project

Discussion in 'Electronic Projects Design/Ideas/Reviews' started by jon03, Mar 13, 2010.

  1. jon03

    jon03 New Member

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    we're having a project about sound sensor and our aim is to measure the decibel of the sound .

    can anyone suggest ways on how can we built this?
     
    Last edited: Mar 13, 2010
  2. canadaelk

    canadaelk Active Member

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    jon03:
    Designing a sound level meter is a mean task!
    There are many things to be considdered: Microphone frequency response, min. + max. SPL levels to be measured, mic. directionality and distance to surrounding objects. Frequency of interest and weighting curve (flat, A, B, C etc). Low-noise amplifier design and calibration (how would you do the calibration?). And so much more!
    Radio Shack has a $40 unit. Get one to get an idea of the complexities involved.
    Cheers, E
     
  3. jon03

    jon03 New Member

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    @canadaelk

    thanks for the info.
     

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