PRIUS_OM_OM47B54U_(U)
4515-6. Using an external device
5
Audio system
●MP3, WMA and AAC files
MP3 (MPEG Audio LAYER 3) is a standard audio compression format.
Files can be compressed to approximately 1/10 of their original size using
MP3 compression.
WMA (Windows Media Audio) is a Microsoft audio compression format.
This format compresses audio data to a size smaller than that of the MP3\
format.
This product is protected by certain intellectual property rights of Microsoft
Corporation and third parties. Use or distribution of such technology outside
of this product is prohibited without a license from Microsoft or an autho-
rized Microsoft subsidiary and third parties.
AAC is short for Advanced Audio Coding and refers to an audio compres-
sion technology standard used with MPEG2 and MPEG4.
MP3, WMA and AAC file and media/formats compatibility are limited.
● MP3 file compatibility
• Compatible standards
MP3 (MPEG1 AUDIO LAYERII, III, MPEG2 AUDIO LAYERII, III,
MPEG2.5)
• Compatible sampling frequencies
MPEG1 AUDIO LAYERII, III: 32, 44.1, 48 (kHz)
MPEG2 AUDIO LAYERII, III: 16, 22.05, 24 (kHz)
• Compatible bit rates (compatible with VBR)
MPEG1 AUDIO LAYERII, III: 32-320 (kbps)
MPEG2 AUDIO LAYERII, III: 8-160 (kbps)
• Compatible channel modes: stereo, joint stereo, dual channel and mon-
aural
● WMA file compatibility
• Compatible standards
WMA Ver. 7, 8, 9
• Compatible sampling frequencies HIGH PROFILE 32, 44.1, 48 (kHz)
• Compatible bit rates HIGH PROFILE 48-320 (kbps, VBR)
● AAC file compatibility
• Compatible standards
MPEG4/AAC-LC
• Compatible sampling frequencies 11.025/12/16/22.05/24/32/44.1/48 (kHz)
• Compatible bit rates 16-320 (kbps)
• Compatible channel modes: 1 ch and 2 ch
● File names
The only files that can be recognized as MP3/WMA/AAC and played are
those with the extension .mp3, .wma or .m4a.
