[asterisk-users] Wideband (G722) MeetMe

[Doken, Serhad]

Thanks Michael. I guess prior to 1.6.2, Asterisk was downgrading streams to SLIN before mixing and then mixed stream got upgraded to WB.

My question is, with this release, is Asterisk converting WB codecs to SLIN16 and mix them that way ? That seems to be the logical way to me just wanted an insider expert to confirm/deny that.

Is this the right list to ask that question/find the right contact before I delve into the code knee deep ?

Serhad Doken

From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Michael Graves
Sent: Thursday, June 18, 2009 6:14 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Wideband (G722) MeetMe

--Original Message Text---
From: Doken, Serhad
Date: Wed, 17 Jun 2009 16:07:12 -0700



Hi,

I wanted to follow up on this thread about WB support on the MeetMe bridge that is in 1.6.2. Does it only work for G722 or any WB codec ?

I am working with another 16k WB codec that I can transcode to 722 and vice versa. I was curious if the 1.6.2 MeetMe bridge can also mix 722 with any other WB codec natively(without downscaling).

Thanks,

Serhad Doken

While not an expert in Asterisk internal, it seems unlikely that Asterisk is mixing signals in encoded space. It's most likely converting the stream to slin for mixing then encoding back into whatever is most appropriate for each end-point.

Michael
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