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MP3 DISC QUALITY FACTORS
The MACH MP3 music system is designed for use
with CD-DA (regular audio discs), CD-R and CD-RW
discs. Discs must comply with ISO 9660 and Joliet
standards.
Several factors can effect disc playback quality:
• Disc capacity — Each disc contains about 650 MB
of storage capacity. We do not recommend using
high capacity discs containing 700MB of storage.
• Disc type — Some CD-RW discs may operate
inconsistently and may cause an error message to
appear. We recommend burning MP3 files onto
CD-R discs.
• Disc finalization — The disc may be left open for
the purpose of adding sessions to it at a later
time, but be sure to close each session or the disc
will not play.
• Bit rate — The player supports bit rates from
56–320 kbps, as well as variable bit rate MP3 files,
but lower bit rates will have a noticeable effect on
sound quality and are recommended only for
speech or low fidelity music material. We
recommend that you encode MP3 files using a
high quality encoder.
• PC configuration — Encoding MP3 files requires
intensive use of your computer’s resources. Follow
the PC configuration recommendations of the
encoder software vendor. We recommend that you
avoid running other software applications on your
PC during MP3 encoding to avoid undesirable
noise and distortion.
CLEANING COMPACT DISCS
Inspect all discs for contamination before playing. If
necessary, clean discs only with an approved CD
cleaner and wipe from the center out to the edge.
Do not use circular motion.
Entertainment Systems
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