[Freeswitch-dev] Installing FreeSWITCH sounds on NetBSD

[Gabriel Gunderson]

On Mon, Oct 22, 2012 at 10:30 AM, Michael Collins <msc at freeswitch.org> wrote:
> The files we get from GMVoices are slightly "loud" for some folks, so we run
> them through sox with the -v 0.2 arg and it "normalizes" them a bit.
> However, I wouldn't do that same trick again on the sounds files in
> files.freeswitch.org since they've already been normalized. If you do then
> you'd definitely be lowering the volume to what many would consider to be a
> really low level.

FWIW, I seem to recall using this switch for normalising audio:

sox --norm   'Automatically invoke the gain effect to guard against
clipping and to normalise the audio.'

However, it has been a while since trying and I usually fumble abound
with sox args for a while before getting it right.


Best,
Gabe