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Chapter 3 45
FAQ (Frequently Asked Questions)
Question: What is MP3?
MP3 is an abbreviation for MPEG-1, Layer 3 Audio (MPEG = Motion Picture Experts
Group). This is a digital sound encoding and compression process that was developed by
the Fraunhofer Institut fur Integrierte Schaltungen and Thomson multimedia. MP3 is an
international standard and is well suited for the transfer of high quality audio files over
telephone or ISDN lines, and over the internet.
Specifications & System Requirements
Hardware
• Dimensions: 1.1" D, 5.1" W, 3.0" H
• Unit Weight: 11.0 Ounces
• 10 Giga Byte Storage (RD2800) / 20 Giga Byte Storage (RD2820)
• Stereo Headphone Jack
• Adaptive Navigation Softkeys
• Mini USB Connection Jack
• Stereo Line Out Jack
• External 5V DC Jack
• Battery Operated: Up to 12 hours of playback with internal rechargeable Lithium ion
battery.