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Appendix
En-63
USB Features
• USB mass storage device class (but not always
guaranteed).
• FAT16 or FAT32 file system format.
• Up to 255 folders can be displayed, and folders may be
nested up to 8 levels deep.
• USB hubs and USB devices with hub functions are not
supported.
Note
• If the media you connect is not supported, the message “No
Storage” will be displayed.
• If you connect a USB hard disk drive to the AV receiver’s USB
port, we recommend that you use its AC adapter to power it.
• The AV receiver supports USB MP3 players that support the
USB Mass Storage Class standard, which allows USB devices to
be connected to computers without the need for special drivers or
software. Note that not all USB MP3 players support the USB
Mass Storage Class standard. Refer to your USB MP3 player’s
instruction manual for details.
• Protected WMA music files on an MP3 player cannot be played.
• Onkyo accepts no responsibility whatsoever for the loss or
damage to data stored on a USB device when that device is used
with the AV receiver. We recommend that you back up your
important music files beforehand.
• MP3 players containing music files that are managed with special
music software are not supported.
• Operation is not guaranteed for all USB devices, which includes
the ability to power them.
• Do not connect your USB device via a USB hub. The USB device
must be connected directly to the AV receiver’s USB port.
• If the USB device contains a lot of data, the AV receiver may take
a while to read it.
• USB devices with security functions cannot be played.
For playback from a USB device, the AV receiver supports
the following music file formats.
Variable bit-rate (VBR) files are supported. However,
playback time may not be display correctly.
■ MP3 (.mp3 or .MP3)
• MP3 files must be MPEG-1/MPEG-2.5 Audio Layer 3
format with a sampling rate of 8 kHz, 11.025 kHz,
12 kHz, 16 kHz, 22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz,
48 kHz and bitrates of between 8 kbps and 320 kbps.
Incompatible files cannot be played.
■ WMA (.wma or .WMA)
WMA stands for Windows Media Audio and is an audio
compression technology developed by Microsoft
Corporation. Audio can be encoded in WMA format by
using Windows Media
®
Player.
• WMA files must have the copyright option turned off.
• Sampling rates of 32 kHz, 44.1 kHz, 48 kHz, bitrates of
between 48 kbps and 320 kbps are supported.
• WMA DRM/Pro/Voice formats are not supported.
■ AAC (.aac/.m4a/.mp4/.AAC/.M4A or .MP4)
AAC stands for MPEG-2/MPEG-4 Audio.
• Sampling rates of 16 kHz, 22.05 kHz, 24 kHz, 32 kHz,
44.1 kHz, 48 kHz and bitrates of between 8 kbps and
320 kbps are supported.
■ FLAC (.flac or .FLAC)
FLAC is a file format for lossless audio data compression.
• Sampling rates of 32 kHz, 44.1 kHz and 48 kHz are
supported.
• Quantization bit: 16 bit, 24 bit
USB Device Requirements
Supported Audio File Formats