Finding the frame rate of a source wmv file

I was wondering if anyone knows of any programs available that can easily determine the frame rate of wmv files.

I am going through the process of batch transcoding wmv files to mp4 format for iPod (using PSPVideo9), but unfortunately I've been having problems with one particular series, in that the audio of the output file gradually goes out of sync.

I figure either it's a weird frame rate that's throwing the sound off, or the source files are encoded with variable frame rate (I hope not to the latter... because if true, I'm not quite sure what to do).

As you can probably tell, I'm not all that adept at the ins and outs of video encoding and transcoding . The most I've ever done is simple DVD-to-avi ripping using Gordian Knot.

Any help would be greatly appreciated

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Thanks striped phantom ^____^

Okay, I just checked the wmv files through the statistics, and lo and behold they are variable frame rate

Does anyone know how to transcode variable frame rate wmv files?

There's nowhere I can't reach.

Okay, I'll give that a go and try using the fps given in transcoding

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I tried GSPot (v2.21 and v2.60) before creating this thread, but neither of them give stats on WMV files

Also, tried encoding using the framerate reading from media player classic, and unfortunately, the audio still gradually goes out of sync

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