CD/MP3/WMA Operations
English
MP3/WMA
What is MP3?
MP3 is an audio compression method and clas- sified into audio layer 3 of MPEG standards. This audio compression method has penetrated into PC users and become a standard format.
This MP3 features the original audio data com- pression 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
What is WMA?
WMA is the abbreviation of Windows Media Au- dio, an audio file format developed by Microsoft Corporation.
Notes:
•If you play a file with DRM (Digital Rights Man- agement) for WMA remaining ON, no audio is output.
•Windows Media™, and the Windows® logo are trademarks, or registered trademarks of Microsoft Corporation in the United States and/or other countries.
●To disable DRM (Digital Rights Manage- ment):
1.When using Windows Media Player 8, click on TOOLS ➜ OPTIONS ➜ COPY MUSIC tab, then under COPY SETTINGS, unclick the check box for PROTECT CONTENT. Then, reconstruct files.
2.When using Windows Media Player 9, click on TOOL ➜ OPTIONS ➜ MUSIC RECORD tab, then under Recording settings, unclick the Check box for RECORD PROTECTED MUSIC. Then, reconstruct files.
Personally constructed WMA files are used at your own responsibility.
Precautions when creating MP3/WMA disc
●Usable sampling rates and bit rates:
1.MP3: Sampling rate 11.025
Bit rate: 8
2.WMA: Bit rate 48
●File extensions
1.Always add a file extension “.MP3” or “.WMA” to MP3 or WMA file by using single byte let- ters. 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 indication
●Logical format (File system)
1.When writing MP3/WMA file on a
2.The folder name and file name can be dis- played as the title during MP3/WMA play but the title must be within 128 single byte alpha- betical letters and numerals (including an ex- tension).
3.Do not affix a name to a file inside a folder having the same name.
●Folder structure
1.A disc with a folder having more than 8 hier- archical levels will be impossible.
●Number of files or folders
1.Up to 255 files can be recognized per folder. Up to 500 files can be played.
2.Tracks are played in the order that they were recorded onto a disc. (Tracks might 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.
Multisession function
When a disc contains both normal CD type tracks and MP3/WMA type tracks mixedly, you can se- lect which type of the recorded tracks to play.
●Default value is “CD”.
Each time you press and hold the [BND] button for 1 second or longer, the mixed mode is switched between CD type or MP3/WMA type. The following indication appears in the title dis- play when switching the track type to be played.
●Display when CD type track is selected:
●Display when MP3/WMA type track is se- lected:
1.Types of recording that can be played are as follows.
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