Question regarding acoustic data (FFT)

mardi 30 juillet 2013

Hi all,



Havent turned to this forum in quite some time but hoping you might be able to explain to me my y-axis in the FFT I have below. How should I understand the units of dB/20u Pa? Ideally I want to convert this into dBa or something, I'm just not sure how to get a "feel" for this.



Could someone explain this to me like I'm 5?



Thanks, smart people.



FFT is attach in case anyone cares




Attached Images





File Type: jpg 50p.jpg (88.5 KB)








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