[icecast] automatic gain control

William Goldsmith wildbill at kpig.com
Wed Nov 14 08:36:36 PST 2001



>Fromwhat you describe, your comp/limiter can't possibly be working
correctly. It should be the last unit in line before the sound card, and
needs to be adjusted properly. You also need to balance the levels on your
mixing board (so that the correc t level comes at predictable place on the
slider). It might be worthwhile to find someone with some sound-mixing or
radio engineering experience to help you out. Sounds like you're missing
some very basic stuff.

Software dynamics processing is more involved than you might think. And
you'd be trying to use software to solve what is basically a hardware/user
problem.

Furman also makes total crap. You'd be much better off with one of the newer
Behringer units. Cheap but very functional. Though that doesn't negate the
need to take care of the basics mentioned above.

-bg
www.radioparadise.com
www.kpig.com

> we're actually using a furman c/l already, but the levels coming into the
> mixer are still all over the place. one mp3 might be much louder than
> another, the phone interface is way too loud, the dj mic is too quiet,
etc.
> usually one of the planners ends up sitting by and adjusting the igain in
> aumix. is there any software-based solution? it seems like it wouldn't be
> all that hard to implement.
>
> -p
>
> > From: Reuben Martin <Reuben at FishB8.dns2go.com>
> > Reply-To: icecast at xiph.org
> > Date: Wed, 14 Nov 2001 09:41:14 -0600
> > To: icecast at xiph.org
> > Cc: pharkawik at hampshire.edu
> > Subject: Re: [icecast] automatic gain control
> >
> >> we have a web-based station running liveice and aumix and the levels
are all
> >> over the place. is there a way to do automatic gain control on the
soundcard
> >> input?
> >>
> >> -peter
> >
> >
> > Run the signal through a Compressor/Limiter before sending it to your
> > soundcard. I use Behringer Ultra-Dyne Pro DSP9024. Very nice. If you
> > want to buy it look here:
> > http://www.zzounds.com/love.music?p=p.BEHDSP9024&z=1221177312792
> >
> >
> > -Reuben
> >
> >
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