LiveCode Forums.

That would be lovely . . .

https://livecode.com/resources/roadmap/

Would it be possible for the end-user (i.e. someone using a standalone) to save recorded sounds in some way?

This could open the way to a whole slew of language learning applications as well as stuff for linguistics field-work.

Of course . . .
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the capability to export recorded sounds to a number of standard file formats would be a big plus.