[asterisk-dev] Advanced Codec Negotiation: Need info and uses cases

George Joseph gjoseph at digium.com
Thu Jun 25 08:57:32 CDT 2020


On Wed, Jun 24, 2020 at 12:03 PM Stefan Tichy <asterisk3 at pi4tel.de> wrote:

> On Sat, Jun 06, 2020 at 08:20:47AM +0200, Michael Maier wrote:
>
> > Transcoding only if there is an allowed and supported codec on both sides
> > which are not common. If there is one common codec on both sides - use
> > this codec and do not transcode.
>
> If Alice (OpenStage20, Local Net) offers G.722, alaw and ulaw and
> Bob (Remote Localtion) supports Opus, alaw and ulaw, then
> transcoding between G.722 and Opus results in better audio quality.
> Transcoding causes some CPU Load, but this might be acceptable.
>
>
Hmmm.  I'll have to think if we can support this generically.
It'd need an option like
"use_the_highest_bitrate_codec_even_if_it_means_transcoding" :)





>
> Kind regards
>
> --
> Stefan Tichy  ( asterisk3 at pi4tel dot de )
>
> --
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-- 
George Joseph
Asterisk Software Developer
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