Thanks for all the responses - very much appreciated. Due to the amount of work required, just to convert one file, I think I'll give it a miss. I have more rewarding things to do. Apologies for wasting your time

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Willum
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Willum

After silence, that which comes nearest to expressing the inexpressible is Music.
Aldous Huxley
( especially when the music is played on a KN7000....)