Audio Files (MP3/WMA/AAC)8-20 For pleasant driving
8
format that has a higher compression ratiothan MP3.Specifications for WMA files that can beplayed are as below.
E00736801033
AAC is an abbreviation of Advanced AudioCoding, and this is an audio compressionstandard used in “MPEG-2” and “MPEG-4”.This features 1.4x the compression of MP3,with comparable audio quality.
Specifications for AAC files that can beplayed are as below.
NOTE
zMicrosoft, Windows Media, and Windowsare registered trademarks of Microsoft Cor-poration (USA) and in
other countries.
CAUTION zWMA supports digital rights management(DRM). This product cannot play backWMA files protected using this system. zWMA files different to the standards at rightmay not play back correctly, or file/foldernames may not be di
splayed correctly.
z“Pro”, “Lossless”, and “Voice” are not sup-ported.
Standards for WMA Files That Can Be Played Back
Item
Details
Specification Windows Media Audio
Ve r s i o n 7 . 0 / 8 . 0 / 9 . 0
Sampling fre-quency [kHz]
32/44.1/48
Bit rate [kbps] 48 to 320
VBR
(variable bit rate)
Support
Channel mode Stereo/MonauralFile extension wmaSupported tag information
WMA tagsTitle name, Artist name, Album name
Maximum num-ber of characters that can be indi-cated on the dis-
play
64 characters
What Is AAC?
CAUTION zAAC supports digital rights management(DRM). This product cannot play back AACfiles protected using this system.
Item
Details
zAAC files different to
the standards at right
may not play back correctly, or file/foldernames may not be displayed correctly.
St an d a r d s fo r A A C F il es T h a t C a n Be Played Back
Item
Details
Specification Advanced Audio
CodingMPEG4/AAC-LCMPEG2/AAC-LC
Sampling
fre-quency [kHz]
MPEG4 8/11.025/12/16/22.05/
24/32/44.1/48
MPEG2 8/11.025/12/16/22.05/
24/32/44.1/48
Bit rate [kbps]
MPEG4 8 to 320MPEG2 8 to 320
VBR (variable bit
rate)
Support
Channel mode Stereo/MonauralFile extension m4aCAUTION
BK0203201EN.book 20 ページ 2013年11月19日 火曜日 午前11時50分