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Noise level meter

Discussion in 'General Electronics Discussion' started by nguyenliem, Jul 8, 2013.

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  1. nguyenliem


    Jul 6, 2013
    Hi experts,

    I want to make a sound level meter. I have microphone and filters but I don't know how to convert electric signal (after filter) to noise level and display in dB.

    Can you help me out or can you guide me how to built a sound level meter.

    Many thanks.
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