Hi Marlon,
the sound finder is on the Analyse menu, the here's the manual page:
http://alphamanual.audacityteam.org/man/Sound_Finder
So, for example, you could enter 1 in the "Treat audio below this level as
silence [-db]" edit box. Then the sound finder would create a label track
containing region labels for sections of the audio which were above -1 db.
David.
On 19 November 2017 at 17:39, Marlon Brandão de Sousa <splyt.lists@xxxxxxxxx
wrote:
What is the sound finder?
On 19/11/2017 15:31, Robert Hänggi wrote:
Hi Marlon
The zero crossing refers to the crossing between negative and positive
linear sample value and not clipping (i.e. going over 0 dB).
It's purpose is to adjust a selection start/end such that they are at
a silent point. In this way, you won't get a click after pasting,
deleting etc.
Use the sound finder to label passages that are too loud.
Then navigate to them with alt+arrows, then open "amplify".
Enter a negative number, e.g. -3 dB.
Go to the next label and press control+r (repeats the last effect
which is "Amplify by -3 dB" in this case.
Best
Robert
On 19/11/2017, Marlon Brandão de Sousa <splyt.lists@xxxxxxxxx> wrote:
Hello,//www.freelists.org/webpage/audacity4blind
I want to amplify a vocal track the maximum possible.
It is my understanding that the value offered by default by audacity is
based on the analysis of the whole track, so if I have at a single point
in time spoken loudly it will not allow to amplify the whole track only
because of that specific point even the rest of the track being able to
safely be amplified a little more.
I want them to find those points where the level is dangerously near 0
or even above zero before amplifying to treat these cases in an
individual way.
But I cant understand how the find zero crossings feature works, should
I use this feature Because nothing seems to happen when I push enter on
that menu and I do know for sure that these points do exist because if I
go looking for them and bringing them down by my self them the whole
track can be amplified more accordingly to audacity so ... what is the
easiest way of:
1- Finding points near or above zero to take them down. Either that or
2- Taking the track to a given level. For these tracks there are no
planned intensities so I would be OK if my voice stayed at the same
level during the whole track.
It is my understanding that normalization here won't help because in
order to keep the loudest parts below 0 the lower parts will be lowered
even more .. and this is not what I want in this case, I want the whole
track at the same level and with as much gain as possible.
Thanks,
Marlon
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