JVC KD-ABT22 Instructions Manual page 300

• The maximum number of characters for file/folder
names vary depending on the disc format used
(includes 4 extension characters—<.mp3>,
<.wma>, or <.m4a>).
– ISO 9660 Level 1: up to 12 characters
– ISO 9660 Level 2: up to 31 characters
– Romeo *: up to 128 characters
– Joliet *: up to 64 characters
– Windows long file name *: up to 128 characters
* The parenthetic figure is the maximum number of
characters for file/folder names in case the total
number of files and folders is 271 or more.
• This unit can recognize a total of 512 files,
200 folders, and 8 hierarchical levels.
• This unit can play back files recorded in VBR (variable
bit rate).
Files recorded in VBR have a discrepancy in the
elapsed time display, and do not show the actual
elapsed time. In particular, this difference becomes
noticeable after performing the search function.
• This unit cannot play back the following files:
– MP3 files encoded in MP3i and MP3 PRO format.
– MP3 files encoded in an inappropriate format.
– MP3 files encoded with Layer 1/2.
– WMA files encoded in lossless, professional, and
voice format.
– WMA files which are not based upon Windows
Media ® Audio.
– WMA files copy-protected with DRM.
– Files which have data such as AIFF, ATRAC3, etc.
• The search function works but search speed is not
constant.
Playing MP3/WMA/AAC/WAV tracks from a
USB device
• Connecting a USB device automatically changes the
source to "USB."
• While playing from a USB device, the playback order
may differ from the one from other players.
• This unit may be unable to play back some USB
devices or some files due to their characteristics or
recording conditions.
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• Depending on the shape of the USB devices and
connection ports, some USB devices may not be
attached properly or the connection might be loose.
• When connecting a USB mass storage class device,
refer also to its instructions.
• Connect one USB mass storage class device to the unit
at a time. Do not use a USB hub.
• You can connect two types of USB device to this
unit—MTP device and Mass storage class device.
If you connect an MTP device featuring "USB digital
media streaming" to this unit, you can play back
the WMA-DRM10 (Digital Right Management) files
purchased through the music distributing web sites,
through this unit.
• This unit is compatible with the USB Full-Speed.
• If the connected USB device does not have the correct
files, "No File" appears.
• This unit can show ID3 Tag (Version 1.0, 1.1, 2.2, 2.3,
or 2.4) for MP3 and WMA/AAC/WAV Tag.
• This unit can play back MP3/WMA/AAC/WAV files
meeting the conditions below:
MP3:
– Bit rate: 32 kbps — 320 kbps (MPEG-1)
8 kbps — 160 kbps (MPEG-2)
– Sampling frequency:
48 kHz, 44.1 kHz, 32 kHz (for MPEG-1)
24 kHz, 22.05 kHz, 16 kHz (for MPEG-2)
WMA:
– Bit rate: 5 kbps — 320 kbps
– Sampling frequency: 8 kHz — 48 kHz
– Channel: 1 ch/2 ch
AAC:
– Bit rate: 16 kbps — 320 kbps
– Sampling frequency: 48 kHz, 44.1 kHz
– Channel: 1 ch/2 ch
WAV:
– Bit rate: Linear PCM at 705 kbps and 1 411 kbps
– Sampling frequency: 44.1 kHz
– Channel: 1 ch/2 ch
• This unit can play back MP3 files recorded in VBR
(variable bit rate).
• The maximum number of characters for folder and
file names is 25 characters; 128 characters for MP3/
WMA/AAC/WAV Tag.