MP3/WMA Playback
This unit is an ID3 Tag compatible model. This unit supports the ID3 TAGs of the Version 2.4, 2.3, 1.1 and 1.0.
In displaying, this unit gives priority to the Version 2.3 and 2.4 TAGs.
What is MP3/WMA
MP3 is an audio compression method and classified into audio layer 3 of MPEG standards.
WMA is an audio compression method developed by Microsoft Corporation. These audio compression methods have penetrated into PC users and become a standard format.
These features compress the original audio data to about 10 percent of its initial size with a high sound quality. This means that about 10 music CDs can be recorded on a
Note: Some CDs recorded on
Displaying MP3/WMA TAG titles
Tag information such as title, artist and album title can be displayed for MP3/WMA file containing Tag information.
Precautions when creating MP3/ WMA file
Usable sampling rates and bit rates
1.MP3: Sampling rate 8
8
2.WMA: Bit rate 8
File extensions
1.Always add a file extension “.MP3”, “.WMA” to MP3, WMA file by using single byte letters. If you add a file extension other than specified or forget to add the file extension, the file cannot be played.
2.Files without MP3/WMA data will not play. The files will be played soundlessly if you attempt to play files without MP3/WMA data.
* When VBR files are played, the play time display may differ the play location.
* When MP3/WMA files are played, a little no sound part is caused between tunes.
Logical format (File system)
When writing MP3/WMA file on a
Folder structure
A disc with a folder having more than 8 hierarchical levels will be impossible.
Number of files or folders
1.Up to 999 files can be recognized per folder.
Up to 6000 files can be played.
2.Tracks are played in the order that they were recorded onto a disc. (Tracks may not always be played in the order displayed on the PC.)
3.Some noise may occur depending on the type of encoder software used while recording.
Playing MP3 folders
When selected for play, files and folders (Folder Search, File Search or Folder Select) are accessing in the order in which they were written to the media.
As a result, the order in which they are expected to be played may not match the order in which they are actually played.
You may be able to set the order in which MP3/WMA files are to be played by assigning file names beginning with play sequence numbers such as “01” to “99”.
For example, a medium with the following folder/file hierarchy is subject to Folder Search, File Search or Folder Select.
See the diagram below.
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