Page 1 of Own Sound For TomTom Go

Has anyone ever made their own sound for TomTom Savnav?
Ive got a sound I want but cant get it to play in my TomTom :( 

I think you need the viftool to compile your voices into a tomtom file.

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I had Alan Partridge and Mike Strutter on my Tomtom.
Can`t remember how, I ditched the Tomtom quite quickly.
I seem to remember something about .rar files
But it must have been relatively easy, cause I`m useless with computers.

I just wanted my own POI warning sound!
Ive now found a program that will output a .Wav as a .ogg file so it now plays on my TomTom