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18
File and Folder Structure
The folder name and file name can be displayed as the title during MP3 play.
However, the title must be within 31 and 27 single-byte alphabetical letters
and numerals for the folder name and file name, respectively (not including an
extension). Entering more letters or numerals than specified may cause an
incorrect display. A disc with a folder having more than 8 hierarchical levels will
conflict with MP3 system requirements and playback will be impossible.
A total of 255 filers and folders are allowed. When the number of and folders
is more than 255, playback of tracks in excess of that number is impossible.
There is a maximum of 31 files in each folder. File tracks are played in the order
that they were recorded onto a disc. (Files might not always be played in the order
displayed on the PC.)
Sound Quality
Some noise might be audible - this depends on the type of encoder software used
while recording. It is not noise created by the OHMD74.
Bit Rates
The OHMD74 supports the following bit rates: 32kHz, 44.1kHz, 48kHz, and 96kHz.
In case of a track recorded at VBR (variable bit rate), the display for the play time of
the track may be slightly different from the actual playtime. Also, the recommended
value for VBR ranges from 32 kbps to 320 kbps.
ID3V1 and ID3V2 Tags Support
Both ID3V1 and ID3V2 tags are supported. These allow up to 30 characters per
song name and 30 characters per artist name.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 18