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What's a quick and easy way to find out how much silence is at the start of an MP3? I know there's a lot that goes into that... I don't need anything too precise. Within 50 or so milliseconds is great.

I have 1000 or so MP3s I want to do this with, so a solution I could script with would be best. Thanks!

Note that I don't want to trim the silence, I need to know the length of the silence.

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