Audio/Tips for operating the audio/visual system
. The play order of the compact disc with
the structure shown above is as follows:
. The order changes depending on the
personal computer and MP3/WMA/AAC
encoding software you use.
! Terms
! Packet write
. This is a general term that describes
the process of writing data on-demand to
CD-R, etc., in the same way that data is
written to floppy or hard discs.
! ID3 tag
. This is a method of embedding track-
related information in an MP3 file. This
embedded information can include the
track number, track title, the artist’s name,
the album title, the music genre, the year
of production, comments, cover art and
other data. The contents can be freely
edited using software with ID3 tag editing
functions. Although the tags are restricted
to a number of characters, the information
can be viewed when the track is played
back.
! WMA tag
. WMA files can contain a WMA tag that
is used in the same way as an ID3 tag.
WMA tags carry information such as track
title and artist name.
! ISO 9660 format
. This is the international standard for
the formatting of CD-ROM folders and
files. For the ISO 9660 format, there are 2
levels of regulations.
. Level 1: The file name is in 8.3 format
(8 character file names, with a 3 character
file extension. File names must be com-
posed of one-b yte ca pital l etter s and
numbers. The “_” symbol may also be
included.)
. Level 2: The file name can have up to
31 characters (including the separation
mark “.” and file extension). Each folder
must contain fewer than 8 hierarchies.
! MP3
. MP3 is an audio compression standard
determined by a working group (MPEG) of
the ISO (International Standard Organiza-
tion). MP3 compresses audio data to
about 1/10 the size of that on conventional
discs.
! WMA
. WMA (Windows Media Audio) is an
audio compression format developed by
Microsoft
®
. It compresses files into a size
smaller than that of MP3 files. The
decoding formats for WMA files are Ver.
7, 8 and 9.
. This product is protected by certain
intellectual property rights of Microsof t
Corporation and thir d partie s. Use or
distribution of such technology outside of
this product is prohibited without a license
from Microsoft or an authorized Microsoft
subsidiary and third parties.
! AAC
. AAC is short for Advanced Audio
Coding and refers to an audio compres-
sion technology standard used with
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