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HMP3 (MPEG Audio
15developed by MPEG (Motion Picture Experts Group), and the latter is developed by Microsoft Corporation. Using these compression formats, you can record the contents of about 10 music CDs on a single CD (This figure refers to data recorded on a 650 MB
Note:
¡MP3/WMA encoding and CD writing software programs are not supplied with this unit.
Points to remember when making MP3/WMA files
Display Information
Displayed items
¡ | ¡ MP3 (ID3 tag) |
Disc title | Album name |
Track title | Title and artist name |
¡ MP3/WMA | ¡ WMA (WMA tag) |
Folder name | Album name |
File name | Title and artist name |
Displayable characters
¡ Displayable length of file name/folder name: within 128 char- |
acters. |
¡ Name files and folders in accordance with the standard of |
each file system. Refer to the instructions of writing software |
for details. |
¡ ASCII character set and special characters in each language |
Recording RecordingMP3/WMAMP3/WMAfiles onfilesa CDon
¡You are recommended to minimize the chances of making a disc that contains both
¡If
¡When storing MP3 data and WMA data on the same disc, use different folders for each data.
¡Do not record files other than MP3/WMA files and unneces- sary folder on a disc.
¡The name of an MP3/WMA file should be added by rules as shown in the following descriptions and also comply with the rules of each file system.
¡The file extension “.mp3” or “.wma” should be assigned to each file depending on the file format.
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¡ You may encounter trouble in playing MP3/WMA files or dis- | S | |
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playing the information of MP3/WMA files recorded with cer- | ||
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tain writing software or CD recorders. | 16 |
¡This unit does not have a play list function.
¡Although
Supported file systems
ISO 9660 Level 1/Level 2, Apple Extension to ISO 9660, Joliet, Romeo
Note:
¡Apple HFS, UDF 1.50, Mix CD and CD Extra are not supported.
Common
¡ High bit rate and high sampling frequency are recommended |
for high quality sound. |
¡ Selecting VBR (Variable Bit Rate) is not recommended |
because playing time is not displayed properly and sound |
may be skipped. |
¡ The playback sound quality differs depending on the encoding |
circumstances. For details, refer to the instructions of your |
can be displayed. |
ASCII character set
A to Z, a to z, digits 0 to 9, and the following symbols: (space) ! ” # $ % & ’ ( ) * + ,
~
Special characters
Compression formats (Recommendation: “Points to remember when making MP3/WMA files” on the previous page)
Compression method | Bit rate | VBR | Sampling frequency |
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MPEG 1 audio layer 3 (MP3) | 32 k – 320 kbps | Yes | 32, 44.1, 48 kHz |
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MPEG 2 audio layer 3 (MP3) | 8 k – 160 kbps | Yes | 16, 22.05, 24 kHz |
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Windows Media Audio Ver. 2, 8 | 64 k – 192 kbps | No | 32, 44.1, 48 kHz |
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own encoding software and writing software. |
MP3
¡It is recommended to set the bit rate to “128 kbps or more” and “fixed”.
WMA
¡It is recommended to set the bit rate to “64 kbps or more”
and “fixed”.
¡Do not set the copy protection on the WMA file to enable this unit to play back.
À Á Â Ã Å à á â ã å 
Ä ä
Ò Ó Ô Õ Ö ò ó ô õ ö
Ù Ú Û Ü ù ú û ü
Note:
¡With some software in which MP3/WMA format files have been encoded, the character information may not be dis- played properly.
¡Undisplayable characters and symbols will be converted into an asterisk ( 
).
¡It is recommended that the length of the file name is less than 8 (excluding the file extension).
Folder selection order/file playback order
Maximum number of files/folders
¡Maximum number of files: 999
¡Maximum number of files in one folder: 255
¡Maximum depth of trees: 8
¡Maximum number of folders: 255 (Root folder is included.)
Note:
¡This unit counts the number of folders irrespective of the presence or absence of an MP3/WMA file.
¡If the selected folder does not contain any MP3/WMA files, the near- est MP3/WMA files in the order of playback will be played.
¡Playback order may be different from other MP3/WMA players even if the same disc is used.
¡“ROOT” appears when displaying the root folder name.
1Root Folder (Root Directory)
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Tree 1 | Tree 2 | Tree 3 | Tree 4 | Tree 8 |
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Caution
¡Never assign the “.mp3”, or “.wma” file name extension to a file that is not in the MP3/WMA format. This may not only pro- duce noise from the speaker damage, but also damage your hearing.
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Windows Media, and the Windows logo are trademarks, or registered trademarks of Microsoft Corporation in the United States and/or other countries.
Copyright
It is prohibited by copyright laws to copy, distribute and deliver copyrighted materials such as music without the approval of copyright holder except enjoying yourself personally.
No warranty
Above description complies with our investigations as of December 2004. It has no warranty for reproducibility and displayability of MP3/WMA.
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