How do I calculate audio dB/SPL level?

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How do I calculate audio dB/SPL level?

Post by Nathan » Tue Mar 07, 2017 12:49 pm

I want to calculate the SPL of an audio file that had been recorded and processed by my raspberry pi + cirrus logic audio card.

Is there anyway to go about doing this, preferably via python? I don't really know how to continue, as I had finished processing the audio file, but now I need to determine the amplitude/SPL of the file (other than viewing the frequency spectrum plot on audacity which doesn't really give an accurate/precise reading).

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