to use Dave's VU meter
The meter has
average level on the upper row and
peak on the lower row of each
caller. Best audio levels are in the
On a scale of 1-100 units,
the perfect target is 68-72 units
(between the 2 arrows) You may
hear this reference over the air.
The average is
more important than peaks.
Peaks tend to be about 10-15 dB higher.
The closer that the peaks and
average are, the better with the
actual dB values being less
important than hitting the yellow
The meter updates
every 30 seconds currently and is
listening to the MM Bridget
currently. The calibration
reference to color was chosen over
the actual dB values as is for
analog audio applications simply
because we have inexpensive readily
available 50 LED VU barographs that
provide the additional 13 LED's for
peak headroom. It is also
simpler to tell someone they are in
the yellow range. Hot audios
go well above the 50 LED lid.
Dave, W7NCX is the creator
of the VU Meter and is hosting the
service on the web