If you have lengthy MP3 files and want to use just parts of them in your presentation, PowerPoint 2010 enables you to trim the audio files and play back only the relevant parts.

How to export Audacity files as MP3s using older versions of Audacity In older versions of Audacity, you couldn't convert audio to MP3 without first installing an MP3 encoder add-on to your Mac or PC.

If you've been working out with help from tunes on your Sansa Clip MP3 player or Sansa Clip+, chances are you've gotten a bit trimmer -- and you're not the only one. SanDisk's launched a thinner ...