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MP3 overview
Notes on MP3:
z MP3 is short for MPEG Audio Layer 3 and refers to an audio compression technology standard.
z This product allows playback of MP3 files on CD-ROM, CD-R or CD-RW discs.
z The unit can read MP3 files written in the format compliant with ISO 9660. However it does not
support the MP3 data written by the method of packet write.
z The unit can not read an MP3 file that has a file extension other than “.mp3”.
z If you play a non- MP3 file that has the “.mp3” extension, you may hear some noise.
z In this manual, we refer to what are called “MP3 file” and “folder” in PC terminology as “track” and
“album”, respectively.
z Maximum number of directory level is 8, including the root directory. Maximum number of files
and folders per disc is 448.
z The unit may not play tracks in the order of Track numbers.
z The unit plays only the audio tracks if a disc contains both audio tracks and MP3 files.
z When playing a disc of 8 kbps or “VBR”, the elapsed playing time in the display window will not
be correct and also the intro play may not function properly. “VBR”: Variable Bit Rate.
Notes on creating your own CD-R or CD-RW containing MP3 files:
z To enjoy high quality sound, we recommend converting to MP3 files with a sampling frequency of
44.1 kHz and a fixed bit rate o f 128 kbps.
z DO NOT store more than 448 MP3 files per disc.
z For ISO 9660 - compliant format, the maximum allowable depth of nested folders is 8, including
the root directory (folder).
z When CD-R disc is used, playback is possible only for discs, which have been finalized.
z Make sure that when MP3 CD-R or CD-RW is burned that it is formatted as a data disc and NOT
as an audio disc.
z You should not write non-MP3 files or unneeded folders along with MP3 files on the disc
otherwise it takes a long time until the unit starts to play MP3 files.
z With some CD-R or CD-RW media, data may not be properly written depending on its
manufacturing quality. In this case, data may not be reproduced correctly. High quality CD-R or
CD-RW disc is recommended.
z Up to 16 characters are displayed for the name of an Album or a Track. ID3TAG version 1.x is
required.
z Note that the unit may not play Tracks in the order that you wrote them to the disc.
1. Audio files:
MP3, WMA
2. Video files:
MPEG4 TM1 3.11, 4X, 5X and 6X versions
Nero Digital TM2
Real time MPEG2 MP@ML display
Real time MPEG1 D1 (720X480X30/ 720X576X25) decoding