title: How can I trim mp3 file?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/43890/crop-mp3-to-first-30-seconds">Crop MP3 to first 30 seconds</a>  </p>
  </blockquote>
  
  
  
  <p>I'm using this class <a href="http://www.phpclasses.org/package/5275-PHP-Manipulate-MP3-audio-files.html" rel="nofollow noreferrer">http://www.phpclasses.org/package/5275-PHP-Manipulate-MP3-audio-files.html</a> but I get an error, I want to create a website that sell a music online I would like to have a preview like about 15-20 seconds how to this ? Any help?
  Thank you.</p>