The DM-20 has 5 separate file folders capable of holding 199 files each, so you can organize nearly 1,000 files according to subjects like "work," "personal," and "to do." When recording, simply capture your high-quality voice files in either WMA or DSS (Digital Speech Standard) format and then place the recorder in the included USB docking station to begin downloading hours of audio to a PC or Macintosh computer. Stereo voice recording is possible with an optional stereo microphone.

Alarm playback will alert you to meetings, dates, show reminders, or wake-up times. You can simply dictate reminders into the DM-20--such as "Time to pick up the kids!"--and assign a time for this message to sound, like an alarm clock's buzzer.

Built-in WOW sound enhancement produces rich bass, and three-dimensional sound, while a user-selectable 5-setting equalizer lets you tailor the sound to your taste or environment. Olympus's innovative noise-canceling technology makes the sound even clearer. removing unwanted hiss and background noise.

The unit offers a built-in condenser microphone, and a .125-inch microphone jack gives you the option to use a high-quality external mic (not included). A .125-inch earphone jack and supplied stereo ear bud headphones let you monitor your files during or after recording. To suit various sound conditions, you can adjust the microphone's sensitivity. The recorder can be viewed in low-light situations, such as