Audio Files (MP3/WMA/AAC) 7-22 Comfort controls
7
N00716000028
WMA is an abbreviation of Windows Media Audio, and this is an audio compression for- mat from Microsoft. This is a compressionformat that has a higher compression ratio than MP3. Specifications for WMA files that can be played are as below.
N00716100029
AAC is an abbreviation of Advanced Audio Coding, 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 be played are as below.
What Is WMA?
NOTE
Microsoft, Windows Media, and Windows are registered trademarks of Microsoft Cor- poration (USA) and in other countries.CAUTION WMA supports digita
l 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 corre
ctly, or file/folder
names may not be di
splayed correctly.
“Pro”, “Lossless”, and “Voice” are not sup- ported.
Standards for WMA Files That Can Be Played Back
Item
Details
Specification Windows Media Audio
Version7.0/8.0/9.0
Sampling fre- quency [kHz]
32/44.1/48
Bit rate [kbps] 48 to 320
VBR
(variable bit rate)
Support
Channel mode Stereo/Monaural File extension wma Supported tag information
WMA tags Title 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 AAC supports digita
l rights management
(DRM). This product ca
nnot play back AAC
files protected using this system. AAC files different to the standards at right may not play back corre
ctly, or file/folder
names may not be di
splayed correctly.
Standards for AAC Files That Can Be Played Back
Item
Details
Specification Advanced Audio
CodingMPEG4/AAC-LC MPEG2/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 320 MPEG2 8 to 320
VBR
(variable bit rate) Channel mode Stereo/Monaural
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