Orca which version of decTalk is compatible?

[Aruni Sharma <aruni100 gmail com>]

Hi again, I was looking at the phonix website for purchasing DecTalk. 
However, there are two choices listed for linux as below:
1 Fonix DECtalk 5.0 RT Linux - ARM - US English
2 Fonix DECtalk 5.0 RT Linux - x86 - US English
Which version is compatible and what will be its limitations? I mean, 
Shall I be able to use it if I switch over to some other distribution of 
linux in future?

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regards,
Aruni.
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