HELP!  how to eliminate leading silence added when saving in mp3 format

Everytime I save my sound files in .mp3 format, Soundbooth seems to add a little bit of leading and a little bit of trailing silence.  How do I prevent this from happening.  I am trying to use my sounds inside a Flash application and I want to have 2 sounds blend seamlessly.  I can't combine them into one sound for various reasons since different combinations of sounds are grabbed dynamically, but I've tried everything to get rid of those tiny bits of silence and can't seem to do it.
Any help/advice would be GREATLY appreciated.  I'm on a deadline (what's new?)

This is a byproduct of the way mp3s are encoded and can be difficult or impossible to avoid without truncating some of the audio.  An admittedly poor analogy is you have a pitcher full of water which represents your audio data.  You have a long row of cups which represent each "frame" of your compressed mp3 file.  Every cup is exactly the same size, and if you pour all of your water into the cups, and the last cup isn't filled to the rim, there's still the empty space in that cup.  Basically, that's what happens with mp3's - that last frame must hold a fixed amount of data, but if the last chunk of your audio only fills a portion of that, the rest is filled with zeros.  I believe the codec then distributes those zeros between the start and end to minimize a significant amount of silence at either end.
If the sound files are short, you might be able to use WAV files - a larger file size in exchange for far more control.
Durin

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