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Te rms
Packet write
This is a general term for a method
of writing on CD-R, etc. at the time
required for a file, just as is done
with files on floppy or hard discs.
Bit rate
This expresses data volume per sec-
ond, or bps units (bits per second).
The higher the rate, the more infor-
mation is available to reproduce the
sound. Using the same encoding
method (such as MP3), the higher
the rate, the better the sound.
Multi-session
Multi-session is a recording method
that allows additional data to be
recorded later. When recording data
on a CD-ROM, CD-R or CD-RW, etc.,
all data from beginning to end is
treated as a single unit or session.
Multi-session is a method of record-
ing more than 2 sessions in one disc.
CD-DA
CD-DA is an abbreviation of Compact
Disc Digital Audio. It refers to the
uncompressed format of regular
CDs.
ID3 Tag
This is a method of embedding track-
related information in a MP3 file. This
embedded information can include
the track title, the artist’s name, the
album title, the music genre, the year
of production, comments and other
data. The contents can be freely edit-
ed using software with ID3 Tag edit-
ing functions. Although the tags are
restricted to the number of charac-
ters, the information can be viewed
when the track is played back.
ISO9660 format
This is the international standard for
the format logic of CD-ROM folders
and files. For the ISO9660 format,
there are regulations for the follow-
ing two levels.
Level 1:
The file name is in 8.3 format (the name
consists of up to 8 characters, half-byte
English capital letters and half-byte
numerals and the “_” sign, with a file-
extension of three characters.)
Level 2:
The file name can have up to 31 charac-
ters (including the separation mark “.”
and a file extension). Each folder contains
less than 8 hierarchies.
Extended formats
Joliet:
File names can have up to 64 characters.
Romeo:
File names can have up to 128 characters.
m3u
Playlists created using the
“WINAMP” software have a playlist
file extension (.m3u).
MP3
MP3 is short for MPEG1 & 2 Audio
Layer3. It is an audio compression stan-
dard set by a working group (MPEG) of
the ISO (International Standards
Organization). MP3 is able to compress
audio data to about 1/10 the level of a
conventional disc.
WMA
WMA is short for Windows Media
TM
Audio and refers to an audio com-
pression technology that is developed
by Microsoft Corporation. WMA data
can be encoded by using Windows
Media Player version 7 or later.
Microsoft, Windows Media, and the
Windows logo are trademarks, or
registered trademarks of Microsoft
Corporation in the United States and/
or other countries.