Re: [Savonet-users] normalize/skip_blank
Le Friday 15 May 2009 02:05:51 Brandon Casci, vous avez écrit :
> Hello
Hi !
> If you choose to use normalize and skip_blank, do you need to apply
> them for each playlist, or can you apply them to the whole chain of
> playlists?
In general, skip_blank can be used on the top level of your playlists.
The same applies for normalize.
However, you should not apply skip_blank on the last source before an output
if this source includes live sources, such as input.http or input.harbor. For
these sources, skipping would not work. Normalize should work, however, but
you should care about sound issues when normalizing. More details there:
http://savonet.sourceforge.net/doc-0.9.0/replay_gain.html
> For example..looking at the case study from the website
(...)
> radio = add(normalize = true, [radio, switch([({0m0s},clock)])])
Beware that the meaning of the normalize parameter here is not the same as the
meaning of the normalize operator. In add, normalize means that, when adding
for instance a and b, the resulting sound samples are normalized, in the form:
a + b / 2
Without normalization, the resulting samples are simply:
a + b
Romain
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[Savonet-users] normalize/skip_blank
Hello
If you choose to use normalize and skip_blank, do you need to apply
them for each playlist, or can you apply them to the whole chain of
playlists?
For example..looking at the case study from the website
=
default = single("~/radio/default.ogg")
day = playlist("~/radio/day.pls")
night = playlist("~/radio/night.pls")
jingles = playlist("~/radio/jingles.pls")
clock = single("~/radio/clock.ogg")
start = single("~/radio/live_start.ogg")
stop= single("~/radio/live_stop.ogg")
# Play user requests if there are any,
# otherwise one of our playlists,
# and the default file if anything goes wrong.
radio = fallback([ request.queue(id="request"),
switch([({ 6h-22h }, day),
({ 22h-6h }, night)]),
default])
# Add the normal jingles
radio = random(weights=[1,5],[ jingles, radio ])
# And the clock jingle
radio = add([radio, switch([({0m0s},clock)])])
==
Would changing the last line to the following only normalize the last
playlist, or the whole stack?
radio = add(normalize = true, [radio, switch([({0m0s},clock)])])
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