> Well I really don't see a difference in the suggestion of a compressor set to
> 2:1 and basically always on and lowering the overall gain.
I'm sorry, but that is insane. A compressor _compresses_ the dynamic range,
making the difference between loudest and softest smaller. Bringing down the
overall gain does not change that difference. It will make the lowest sounds
disappear in the noise floor. It is a VERY different thing!
Then after lowering the level and making all lower sounding elements
disappear into the least significant bits, you'd bring up the overall level
to sound nice on the DVD. You'd boost the lower end trouble you just caused.
All the dialogues are just as loud/soft as they were, as are all the high
peaks. You basically just killed nothing but the softer sound elements in
your mix, decreasing the quality rather than the dynamic range.
The equivalent would be to lower the contrast of your picture by bringing
down the overall level, ten raising it so that white is at 235. You have
crushed your blacks and they will all be flat grey, while the midtones are
just where they were.
>In a digital world I don't see how lowering the gain raises the noise floor.
At a certain point, you get low levels that are below the "resolution" of
the sound. They become noise, low noise crackles, wrenched into a too small
dynamic resolution. You are lowering the amount of bits used to sample your
audio.
--
Job ter Burg
film editor - NL
------------------------------------
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