[asterisk-users] Understanding Codecs

[Adrian Marsh]

Ah... ok thanks for that.  In the end it was an SElinux problem. But I
was curious as to if I was missing some config somewhere. This clears
that up.

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Tilghman
Lesher
Sent: 07 May 2009 15:23
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Understanding Codecs

On Thursday 07 May 2009 03:33:14 Adrian Marsh wrote:
> So where are the codec translations set?

I assume you're talking about the numbers within the table?  They're
calculated at runtime, based upon shortest possible path (in terms of
time)
from one codec to another.  Most codecs translate only to signed linear
audio,
so the translation table tends to be rather simple.  Ulaw to alaw is a
simple
table lookup, which is why it tends to be very fast.

-- 
Tilghman

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