Audio Files (MP3/WMA/AAC) 23
AVAudio Functions
What Is WMA?
WMA is an abbreviation of Windows Media
Audio, and is an audio compression format
from Microsoft. This is a compression format
that has a higher compression ratio than MP3.
* Microsoft, Windows Media, and Windows are registered
trademarks of Microsoft Corporation (USA) and in other
countries.
CAUTION
• WMA supports digital rights management
(DRM). This product cannot play back
WMA files protected using this system.
• WMA files different to the standards
at right may not play back correctly, or
file/folder names may not be displayed
correctly.
• “Pro”, “Lossless”, and “Voice” are not supported.
Standards for WMA Files That Can Be Played Back
Specifications for WMA files that can be played are shown below.
* For Equipment by type (vehicles with a Bluetooth® 2.0 interface), refer to the vehicle's users manual (Bluetooth®
2.0 interface).
Item Details
Specification DISCWindows Media Audio Version9.0 Standard
USB Windows Media Audio Version7.0/8.0/9.0
Sampling frequency [kHz] DISC32/44.1/48
USB 16/22.05/32/44.1/48
Bit rate [kbps] DISC32 to 320
USB 16 to 320
VBR (variable bit rate) Support
Channel mode Stereo/Mono
File extension wma
Supported tag information WMA tags
Title, Artist name, Album name, Genre
*1
Maximum number of characters
that can be indicated on the source plate Files names: 18 characters
Folder names: 41 characters
*1) This is not supported in DISC mode.
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