About MP3/WMA
CAUTION
Except for private use, duplicating audio data (including MP3/ WMA data) or distributing, transferring, or copying it, whether for free or for a fee, without permission of the copyright holder is strictly prohibited by the Copyright Act and by international treaty.
What is MP3?
MP3, whose official name is “MPEG Audio Layer 3,” is a compression standard prescribed by the ISO, the International Standardization Organization and MPEG which is a joint activity institution of the IEC.
MP3 files contain compressed audio data. MP3 encoding is capable of compressing audio data at extremely high ratios, reducing the size of music files to as much as
What is WMA?
WMA, or “Windows Media™ Audio,” is compressed audio data.
WMA allows you to create music files and store them at higher ratios of compression than MP3 audio data (approx. half original size). This is achieved while still maintaining CD quality sound.
Method for creating MP3/WMA files
Audio data is compressed by using MP3/WMA specified software. For details on creating MP3/WMA files, refer to the user's manual for that software.
MP3/WMA files that can be played back by this device have the file extension “mp3” / “wma”. Files with no extension cannot be played back. (WMA ver. 7.1 and 8 are supported)
Supported playback sampling rates and bit rates
MP3 |
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Sampling rates: 48 kHz, | 44.1 kHz, 32 kHz, 24 kHz, 22.05 kHz, | |
| 16 kHz, | 12 kHz, 11.025 kHz, 8 kHz |
Bit rates: | 8 - 320 kbps | |
WMA |
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Sampling rates: 48 kHz, | 44.1 kHz, 32 kHz, 24 kHz, | |
| 22.05 kHz | |
Bit rates: | 32 - 192 kbps |
Note that for sampling rates, this device’s frame display (Page 10) may not display correctly.
This device may not play back correctly depending on sampling rates.
ID3 tags/WMA tags
This device supports ID3 tag v1 and v2, and WMA tag.
If tag data is in an MP3/WMA file, this device can display the title (track title), artist name, and album name ID3 tag/WMA tag data.
This device can only display
Producing MP3/WMA discs
MP3/WMA files are prepared, then written to a
Media supported
The media that this device can play back are
Corresponding File Systems
This device supports discs formatted with ISO9660 Level 1 or Level 2.
Under the ISO9660 standard, there are some restrictions to remember.
The maximum nested folder depth is 8 (including the root directory). File/folder names are limited to 31 characters (including the extension).
Valid characters for folder/file names are letters
This device also can play back discs in Joliet, Romeo, etc., and other standards that conform to ISO9660. However, sometimes the file names, folder names, etc., are not displayed correctly.
Formats supported
This device supports
This device cannot correctly play back discs recorded with Track At Once or packet writing.