[LAU] Pre-emphasis detection

Is there a way to detect pre-emphasis in a music file from the command line?

I recently came across a CD with pre-emphasis and, given that I have a load
of files on HD - some of which are from a company that is said to have used
pre-emphasis - I would like to check to see if it is used in any of these
files.

- Richard.

-- 
Richard Kimber
Political Science Resources
http://www.PoliticsResources.net/
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