Digital Audio Peak Level Meters

[laitue5]

http://www.beis.de/Elektronik/DPLCM/VFD/DPLCMVFD.html
http://www.beis.de/Elektronik/DPLCM/DPLCM.html
http://www.beis.de/Elektronik/Electronics.html
:shock:

 

[Freq Band]

Nice link.

I like the simple Universal Filter:

http://www.beis.de/Elektronik/AudioMeasure/UniversalFilter.html

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