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"Gian Luca Specchia"
Consider guys that the system has 24 bits...........and onair (we do use
mpeg 2 compression) the sound is low in level.
This kind of broadcast has a poor level....if I reach the maximum peak
of -20dbfs nobody will hear the program unless the television has a volume
setted at the maximum.....

My friend, you are screwing up the audio because you don't know the
difference between a peak reading meter and a VU meter. This has nothing to do
with bit rate or broadcast compression. You DO have VU meters, don't you?
When you put tone on the line, the VU meter should read "0", and the peak meter
should read "-20". The peak reading meter should go _way above_ -20 while
you mix, that's normal, but the VU meter should hover around 0. With a good
peak limiter properly set inline the peak reading meter will probably not pass
a level of -8 when you hit 0VU. Some places in the US want the levels not to
pass -12 or -10.

In most broadcast facilities the usused headroom before 0dbfs is
compensated for with broadcast limiters, upstream of any MPEG compression.

You have been trying to keep your levels from passing -20 on a peak
meter? That's the problem right there Dude.

Will Miho
NY Music & TV Audio Guy
Fox And Friends/Fox News
"The large print giveth and the small print taketh away..." Tom Waits