[App_rpt-users] Question on auto leveling codec

Tim Sawyer tisawyer at gmail.com
Thu Mar 10 19:48:51 EST 2016

It would be cool to have a few db of AGC.

On Mon, Mar 7, 2016 at 8:19 PM, John Griffith <john at qso.com> wrote:

> Haven’t found much on this, but I remember a while back I read something
> about one of the codecs
> for Asterisk that had an internal option to enable ALC (automatic level
> control). Not sure if this was a
> compression codec or not, but it would be nice to use a compressionless
> one (like ULAW) for use in
> my repeater output. Right now I’m using an analog ALC unit between the URI
> and radio, but it’s
> introducing AC hum into the repeater output. The noise is originating in
> the poorly shielded ALC unit.
> Does anyone have ALC working within Asterisk? If so is it hard to make it
> work in App_Rpt for the
> repeater output? I need to keep the input constant because I’m using DSP
> and CTCSS for squelch,
> so output is all I’m looking for.
> Thank you.
> John
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