Compressed Audio Compatibility; About Wma - Pioneer VSX-820 Mode D'emploi

10 Other connections
Important
If a USB Error message lights in the display, try
following the points below:
• Switch the receiver off, then on again.
• Reconnect the USB device with the
receiver switched off.
• Select another input source (like BD), then
switch back to iPod USB.
• Use a dedicated AC adapter (supplied with
the device) for USB power.
For more information on error messages, see
USB messages on page 73.
If this doesn't remedy the problem, it is likely
your USB device is incompatible.

Compressed audio compatibility

Note that although most standard bit/sampling
rate combinations for compressed audio are
compatible, some irregularly encoded files may
not play back. The list below shows compatible
formats for compressed audio files:
• MP3 (MPEG-1/2/2.5 Audio Layer 3) –
Sampling rates: 8 kHz to 48 kHz; Bit rates:
8 kbps to 320 kbps (128 kbps or higher
recommended); File extension: .mp3
• WMA (Windows Media Audio) – Sampling
rates: 32 kHz / 44.1 kHz; Bit rates: 32 kbps to
192 kbps (128 kbps or higher recommended);
File extension: .wma; WMA9 Pro and WMA
lossless encoding: No
• AAC (MPEG-4 Advanced Audio Coding) –
Sampling rates: 11.025 kHz to 48 kHz; Bit
rates: 16 kbps to 320 kbps (128 kbps or
higher recommended); File extension:
.m4a; Apple lossless encoding: No
Other compatibility information
• VBR (variable bit rate) MP3/WMA/MPEG-4
AAC playback: Yes
• DRM (Digital Rights Management)
protection compatible: Yes (DRM-protected
audio files will not play in this receiver).
Note
1 Note that in some cases playback time will not be displayed correctly.
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En
1
About MPEG-4 AAC
Advanced Audio Coding (AAC) is at the core of
the MPEG-4 AAC standard, which incorporates
MPEG-2 AAC, forming the basis of the MPEG-4
audio compression technology. The file format
and extension used depend on the application
used to encode the AAC file. This receiver plays
back AAC files encoded by iTunes
extension '.m4a'. DRM-protected files will not
play, and files encoded with some versions of
®
iTunes may not play.
Apple and iTunes are trademarks of Apple Inc.,
registered in the U.S. and other countries.

About WMA

The Windows Media logo printed on the box
indicates that this receiver can playback
Windows Media Audio content.
WMA is an acronym for Windows Media Audio
and refers to an audio compression technology
developed by Microsoft Corporation. This
receiver plays back WMA files encoded using
®
Windows Media Player bearing the extension
'.wma'. Note that DRM-protected files will not
play, and files encoded with some versions of
®
Windows Media Player may not play.
Windows Media, and the Windows logo are
trademarks or registered trademarks of
Microsoft Corporation in the United States
and/or other countries.
®
bearing the