Steve, that may all sound obvious but the issues you raised are traps
for young players. I had an ongoing discussion with a brother about
this a few years ago while he grumbled that the level was too low and
insisted there was nothing that should prevent a higher level. I
eventually persuaded him to follow the below suggestion and, would you
believe it, there was one loud click.
Audacity has a few useful tools. Having made a selection, going into
the Amplify dialog will tell you how much below 0db the loudest point
is. But you then have to track down the loud point(s).
I like Peak Finder RFT in the Analyse Menu. It will find the peaks and
put a label at each of them. You can then decide, depending on
circumstances whether to delete the offending sound or lower its level.
Andrew
On 17/09/2017 11:51 PM, Steve Jacobson wrote:
I don't use Audacity a lot but do quite a bit of sound editing. If "Normalize" isn't working on a
selected part of the data, I wonder if there might be something in the signal that is fooling the process
that isn't real evident by listening. For example, low air conditioner rumble or turntable rumble in the
case of recording a record can be much louder than it seems likely by listening, especially on small
speakers. Some microphones will produce a lot of low frequency energy when they are picked up or moved. A
high frequency sound can also cause this to happen. Also, depending upon one's settings, one loud sound in
the selection will affect what "Normalize" will see as the peak level. One badly popped
"p" can even cause a problem.
One trick I have used is to play the selection at double speed and half speed
to be certain that there isn't a sound of which I am not aware. The downside
of amplifying if Normalize isn't working is that if there is an undetected
sound, it may get pushed over the 0 DB point. Sorry if all of this is obvious.
Best regards,
Steve Jacobson
-----Original Message-----
From: audacity4blind-bounce@xxxxxxxxxxxxx
[mailto:audacity4blind-bounce@xxxxxxxxxxxxx] On Behalf Of Andrew Downie
Sent: Sunday, September 17, 2017 3:27 AM
To: audacity4blind@xxxxxxxxxxxxx
Subject: [audacity4blind] Re: Adjusting gain on a track
I suspect that Amplify is your only option. I have been playing with
some of the fade tools in the Effects Menu and so far have not found
anything relevant.
Andrew
On 17/09/2017 9:20 AM, mk360 wrote:
Hi,
Can I adjust gain only on a portion of a track? I know that I can use
normalice or ampliphy, but, something equivalent to shift g to adjust
gain only for the selection?
Regards,
mk.
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