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 The
history of the 'VU' meter
Mike Dorrough, KO6NM, of Dorrough Electronics has created an interesting
web video that explains the history of audio metering.
It also covers the technical details behind the VU, PPM and Dorrough
Loudness meters.
You will find it all at www.dorrough.com/dorrough/techdoc/multimedia/mmedia.html
Source: ARNewsline, CGC
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