[Freeswitch-users] Imagine playing a 44.1 kHz mp3 file !!!

Steve Underwood steveu at coppice.org
Mon Feb 27 04:09:27 MSK 2012

On 02/27/2012 06:15 AM, Anita Hall wrote:
> Yesterday, I saw someone storing his audio prompt files in 44.1 kHz 
> mp3 for playback !!! I am still recovering from the shock!
> What will be the correct format to keep prompts in if we are connected 
> via FreeTDM to an E1:
> GSM or PCMA?
> regards,
> Anita
I'm shocked. You don't want to store your prompts in a wideband format, 
and be prepared for the future? :-)

If you have a pure E1 system, use PCMA. That is the codec for E1s. GSM 
will give poorer quality and require transcoding.


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