"Jim Lesurf" asked:
snip
Are you a member of the AES? if so you can look at the recent papers in
JAES and conferences about 'forensic audio'. They will give you some ideas
on this, and some individuals you could contact who might advise.

No, I'm not. I'll Google 'forensic audio' next, if you've got any pdfs of
these papers you could pass on to help with my job challenge just swap
spambusters with del.

Cheers,

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dE|_