Originally Posted by HarryT
This sounds like the same list of voices that my Garmin GPS has; the names all look very familiar!
If it's a nüvi series, then it may have an ARM processor. If the voices are indeed the same, it may be possible to use the Garmin .so binaries to drive speech on the Kindle. The following article
offers some hope:
"...[the nüviphone] is profoundly easy to root and it is capable, to a great extent, of running precompiled debian arm binaries."