Yo,
Don't know if anyone has ever heard about this before so thought I'd post it.
I just found a website about the railway announcement system used for Sydney Australia.. System is built around A1200 & A600. Can't find any pics of the A1200, but there is a website of the A600 here:
http://www.netspace.net.au/~entom/Micromate-1.htmlYou can listen to some of the samles here:
http://www.railpage.org.au/railwavs/amigapage/Doesnt use narator.library, seems to have a built in HD with all the required smaples on it. A built in LCD screen provides any required visual output. Operators manually enter the code for the required speech.
:-)