[Sumover-tech] Vocoders of interest not in RAT Library

Melbourne Barton mbarton at research.telcordia.com
Wed Aug 29 10:39:19 BST 2007


The selected codec I am interested in (e.g., G.729D) _is not _in RAT.
I have the software code for this codec on my Windows machine.
What can I do in this case?

Melbourne

Piers O'Hanlon wrote:
> Yes RAT can playback and/or record PCM/WAV audio from a file by 
> selecting the file small floppy disk icon at the lower left of the 
> main window pane. This will be packetised by RAT according to the 
> selected codec in RAT.
>
> Piers
>
> On 28/08/2007, *Melbourne Barton* <mbarton at research.telcordia.com 
> <mailto:mbarton at research.telcordia.com>> wrote:
>
>     Hi,
>
>     I am testing a set of voice codecs that are not in the RAT toolkit.
>     The codec softwere are installed on my Windows machines (voice encoder
>     on one PC, and voice decoder on another PC).
>     Input to the encoder are speech files (in .wav or .raw format). The
>     digitized output of the encoder is stored in a file.
>
>     Can I use RAT's  RTP/UDP/IP capabilities to transmit the file to the
>     remote Windows PC that has the voice decoder installed,
>     to recover the decoded speech.
>
>     If RAT cannot be used, which other (preferably windows-based)
>     tools are
>     out there to build, transmit and recover RTP streams?
>
>     Thanks,
>
>     Melbourne
>
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