E N G L I S
MP3/WMA Player (continued) |
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E N G L I S
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Notes on MP3/WMA
What is MP3/WMA?
MP3 (MPEG audio layer 3) and WMA (Windows Media™ Audio) are the compression formats of digital audio. The former is developed 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 media. (This figures refer to data recorded on a 650 MB
Note:
≥MP3/WMA encoding and writing software is not supplied with this unit.
≥CD writing software is not supplied with this unit.
Points to Remember
When Making MP3/WMA Files
Common:
≥High bit rate and high sampling frequency are recommended for high quality sounds.
≥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 user manual of your own encoding software and writing software.
Display Information
∫Displayed Items
| MP3 (ID3 tag) |
≥Disc title | ≥Album title |
≥Track title ≥Title and artist
MP3/WMA | WMA (WMA tag) |
≥Folder name | ≥Album title |
≥File name ≥Title and artist
∫Displayable Characters
≥Displayable length of file name/folder name: within 128 characters
≥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 can be displayed.
ASCII character set:
A to Z, a to z, digits 0 to 9, and the following symbols:
(space) ! ” ’ # $ % & ( ) * + ,
Special characters:
ÀÁ Â Ã Å Ä à á â ã å 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 |
Recording MP3/WMA Files
on a CD-Media
≥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 unnecessary folder on a disc.
≥The name of MP3/WMA file should be added by rules as shown in the following descriptions and also comply with the rules of each file system.
≥You may encounter trouble in playing MP3/WMA files or displaying the information of MP3/WMA files recorded with certain writing software or CD recorders.
≥The file extension “.mp3” or “.wma” should be assigned to each file depending on the file format.
≥This unit does not have the play list function.
≥Although
Supported file systems:
ISO 9660 Level 1/Level 2, Apple Extension to ISO 9660, Joliet, Romeo
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 MP3/WMA file.
≥If the selected folder does not contain any MP3/WMA files, the nearest 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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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 protect attribute on the WMA file to enable this unit to playback.
files have been encoded, the character information |
may not be displayed properly. |
≥Undisplayable characters and symbols will be |
converted into an asterisk. |
Note: |
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Tree 1 Tree 2 Tree 3 ........Tree 8 (Max.) | ||||
≥Apple HFS, UDF 1.50, Mix CD (CD Extra) are not | ||||
supported. |
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Compression formats:
(Recommendation: “Points to Remember When Making MP3/WMA Files” on the previous page)
Compression method | Bit rate | VBR | Sampling frequency |
MPEG 1 audio layer 3 (MP3) | 32 kbps−320 kbps | Yes | 32, 44.1, 48 kHz |
MPEG 2 audio layer 3 (MP3) | 8 kbps−160 kbps | Yes | 16, 22.05, 24 kHz |
Windows Media Audio Ver. 2/Ver. 8/Ver. 9* | 64 kbps−192 kbps | No | 32, 44.1, 48 kHz |
Caution: | Windows Media, and |
≥Never assign the “.mp3”, or “.wma” file | the Windows logo are |
name extension to a file that is not in the | trademarks, or registered |
MP3/WMA format. This may not only produce | trademarks of Microsoft |
noise from the speaker damage, but also | Corporation in the United |
damage your hearing. | States and/or other |
| countries. |
* WMApro,
64 kbps at 48 kHz: Not available
Copyright: | No warranty: |
It is prohibited by copyright laws to copy, distribute | Above description complies with our investigations |
and deliver copyrighted materials such as music | as of December 2003. It has no warranty for |
without the approval of copyright holder except | reproducibility and displayability of MP3/WMA. |
enjoying yourself personally. |
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