play the voice signal ?

Pepijn van den Berkhof vandenberkhof.pepijn at gmail.com
Fri Sep 23 13:49:54 UTC 2011


Hi,

The instructions to download the ETSI reference codec can be found here:  http://tetra.osmocom.org/trac/wiki/Speech_Codec although I never got it working completely. There is an output stream but there is no audio data in it. Just (random?) clicks and pops.

Cheers,

Pepijn
Op 23 sep. 2011, om 15:20 heeft Dieter Spaar het volgende geschreven:

> Hello Bigsat,
> 
> On Fri, 23 Sep 2011 13:49:43 +0200, "Bigsat" <bigsat at gmail.com> wrote:
>> 
>> Is it possible to release some part of the code necessary to decode 
>> Tetra voice or give some explaination of Gsmtap usage ?
>> 
> 
> Just in case, I have sent my "proof of concept" modification
> for voice decoding to the authors of Osmocom TETRA for proper
> integration a while ago. As far as I am aware the current
> source code should be able to decode voice or at least contain
> the instructions how to do it (the ETSI reference codec is most
> certainly not included for copyright reasons).
> 
> Best regards,
>  Dieter
> -- 
> Dieter Spaar, Germany                           spaar at mirider.augusta.de
> 

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