Alpine IVA-D105R Owner's Manual page 19

Supported playback sampling rates and bit rates
MP3
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
Sampling rates: 48 kHz, 44.1 kHz, 32 kHz, 22.05 kHz, 16 kHz,
11.025 kHz, 8 kHz
Bit rates: 8 - 320 kbps
AAC
Sampling rates: 48 kHz, 44.1 kHz, 32 kHz, 24 kHz, 22.05 kHz,
16 kHz, 11.025 kHz
Bit rates: 16 - 320kbps
This device may not play back correctly depending on sampling
rates.
With low level sampling or bit rates set, playback may not
function correctly or sound quality may deteriorate. It is
recommended to create a disc using as high a level sampling or
bit rate as possible, within the range that playback is possible.
ID3 tags/WMA tags
This device supports ID3 tag v1 and v2, and WMA tag.
If tag data is in an MP3/WMA/AAC file, this device can display
the title (track title), artist name, and album name ID3 tag/WMA
tag data (maximum 128 characters).
This device can only display single-byte alphanumeric
characters and the underscore. For non-supported characters,
"NO SUPPORT" is displayed.
The number of characters may be limited, or not correctly
displayed, depending on the tag information.
Producing MP3/WMA/AAC discs
MP3/WMA/ACC files are prepared, then written to a CD-R or CD-
RW (DVD-R/DVD-RW) using CD-R writing software. A disc can
hold up to 4096 files/256 folders (including Root Folders).
Depending on the folder/file structure of the disc, it can take
several minutes to read a disc. In this case, it is recommended
to reduce the number of folders used.
Media supported
The media that this device can play back are CD-ROMs, CD-Rs,
CD-RWs, DVD-Rs and DVD-RWs.
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). The number of characters for a folder/file name is
limited.
Valid characters for folder/file names are letters A-Z (all caps),
numbers 0-9, and '_' (underscore).
This device also can play back discs in Joliet, 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 CD-ROM, CD-ROM XA, Mixed Mode CD,
Enhanced CD (CD-Extra) and Multi-Session.
This device cannot correctly play back discs recorded with
Track At Once or packet writing.
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Order of files
Files are played back in the order that the writing software writes
them to the disc. Therefore, the playback order may not be
what's expected. Verify the writing order in the software's
documentation. The playback order of the folders and files is as
follows.
Root
Folder
Folder
Terminology
Bit rate
This is the "sound" compression rate specified for encoding. The
higher the bit rate, the higher the sound quality, but also the larger
the files.
Sampling rate
This value shows how many times per second the data is sampled
(recorded). For example, music CDs use a sampling rate of
44.1 kHz, so the sound is sampled (recorded) 44,100 times per
second. The higher the sampling rate, the higher the sound quality,
but also the larger the volume of data.
Encoding
Converting music CDs, WAVE (AIFF) files, and other sound files into
the specified audio compression format.
Tag
Song information such as track titles, artist names, album names,
etc., written into MP3/WMA/AAC files.
Root folder
The root folder (or root directory) is found at the top of the file
system. The root folder contains all folders and files. It is created
automatically for all burned discs.
MP3/WMA/AAC File