JVC G800 Instruction Manual - Page 17

Mp3/wma Introduction

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ENGLISH MP3/WMA INTRODUCTION What are MP3/WMA? MP3 is an abbreviation of Motion Picture Experts Group (or MPEG) Audio Layer 3. MP3 is simply a file format with a data compression ratio of 1:10 (128 Kbps*). WMA (Windows Media® Audio) is the digital audio compression format developed by Microsoft Corporation. * Bit rate is the average number of bits that one second of audio data will consume. The unit used is Kbps. To get a better audio quality, choose a higher bit rate. The most popular bit rate for encoding is 128 Kbps. • For details information about the MP3/WMA discs, refer to "A Guide to MP3/WMA" (separate volume). Compatible with ID3 Tag Extra information data such as album title, performer name, song title, recording year, music genre and a brief comment can be stored within an MP3/WMA file. How are MP3/WMA files recorded and played back? MP3/WMA "files (tracks)" can be recorded in "folders" -in PC terminology. During recording, the files and folders can be arranged in a way similar to arranging files and folders of computer data. "Root" is similar to the root of a tree. Every file and folder can be linked to and be accessed from the root. The illustration below shows an example of how MP3/WMA files are recorded on a CD-R or CD-RW, how they are played back, and how they are searched for on this unit. Notes: • This unit cannot read or play an MP3 file without the extension code and a WMA track without the extension code . • This unit is not compatible with MP3 files encoded with Layer 1 and Layer 2 formats. • This unit is not compatible with WMA files which are not based upon Windows Media® Audio. • This unit is not compatible with Playlist**. This unit can show both ID3v1 (Version 1) and ID3v2 (Version 2) tags on the display. (See page 19.) • Some characters cannot be shown correctly. • If both ID3v1 and ID3v2 are recorded on a disc, ID3v2 information will be shown. ** A playlist is a simple text file, used on a PC, which enables users to make their own playback order without physically rearranging the files. Level 1 Hierarchy Level 2 Level 3 Level 4 Level 5 ROOT 01 05 1 2 02 3 10 11 12 03 4 5 04 6 7 01 : Folder and their playback order 8 9 1 : MP3/WMA files and their playback order • Microsoft and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. 17

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17
ENGLISH
MP3/WMA INTRODUCTION
What are MP3/WMA?
MP3 is an abbreviation of Motion Picture Experts
Group (or MPEG) Audio Layer 3. MP3 is simply a
file format with a data compression ratio of 1:10
(128 Kbps*).
WMA (Windows Media
®
Audio) is the digital
audio compression format developed by
Microsoft Corporation.
*
Bit rate is the average number of bits that one
second of audio data will consume. The unit used is
Kbps. To get a better audio quality, choose a higher
bit rate. The most popular bit rate for encoding is
128 Kbps.
•
For details information about the MP3/WMA
discs, refer to “A Guide to MP3/WMA”
(separate volume).
Compatible with ID3 T
ag
Extra information data such as album title,
performer name, song title, recording year, music
genre and a brief comment can be stored within
an MP3/WMA file.
This unit can show both ID3v1 (Version 1) and
ID3v2 (Version 2) tags on the display. (See page
19.)
•
Some characters cannot be shown correctly.
•
If both ID3v1 and ID3v2 are recorded on a
disc, ID3v2 information will be shown.
How are MP3/WMA files
recorded and played back?
MP3/WMA
“
files (tracks)
” can be recorded in
“
folders
” —in PC terminology.
During recording, the files and folders can be
arranged in a way similar to arranging files and
folders of computer data.
“
Root
” is similar to the root of a tree. Every file
and folder can be linked to and be accessed
from the root.
The illustration below shows an example of how
MP3/WMA files are recorded on a CD-R or
CD-RW, how they are played back, and how they
are searched for on this unit.
Notes:
•
This unit cannot read or play an MP3 file without
the extension code <.mp3> and a WMA track
without the extension code <.wma>.
•
This unit is not compatible with MP3 files encoded
with Layer 1 and Layer 2 formats.
•
This unit is not compatible with WMA files which
are not based upon Windows Media
®
Audio.
•
This unit is not compatible with Playlist
**
.
**
A playlist is a simple text file, used on a PC, which
enables users to make their own playback order
without physically rearranging the files.
:
Folder and their playback
order
:
MP3/WMA files and their
playback order
•
Microsoft and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the
United States and/or other countries.
1
01
1
2
3
10
11
12
4
5
6
7
8
9
01
05
02
03
04
Hierarchy
ROOT
Level 1
Level 2
Level 3
Level 4
Level 5