5–23
Interior Features
Audio System
 Operating  Tips  for  AAC
    AAC  stands  for  Advanced  Audio  Coding, 
which is standardized voice compression 
established by the ISO 
*1  working group 
(MPEG). Audio data can be created and 
stored at a higher compression ratio than 
MP3.
  This  unit  plays  fi  les with the extensions 
(.aac/.m4a/.wav
*2 ) as the AAC fi  les.
   *1   International  Organization  for  Standardization
   *2   Type  B
CAUTION
  Do not use an audio fi  le extension on 
fi  les other than audio fi  les. In addition, 
do not change the audio fi  le extension. 
Otherwise, the unit will not recognize 
the fi  le correctly resulting in noise or a 
malfunction.
      y    AAC fi  les written under specifi  cations 
other than the indicated specifi  cation 
may not play normally or fi  les or folder 
names may not display correctly.
      y    The fi  le extension may not be provided 
depending on the computer operating 
system, version, software, or settings. In 
this case, add the fi  le extension “.aac ”, 
“.m4a”, or “.wav 
*2 ” to the end of the fi  le 
name, and then write it to the memory.
   *2 Type B
 Operating Tips for OGG
    OGG is the audio compression format for 
Xiph. Org Foundation.
  Audio data can be created and stored at a 
higher compression ratio than MP3.
CAUTION
  This unit plays fi  les with the (.ogg) fi  le 
extension as a OGG fi  le. Do not use the 
OGG fi  le extension for fi  les other than 
OGG fi  les. Otherwise, it could result in 
noise or a malfunction.
      y    OGG fi  les written under specifi  cations 
other than the indicated specifi  cation 
may not play normally or fi  les or folder 
names may not display correctly.
      y    The fi  le extension may not be provided 
depending on the computer operating 
system, version, software, or settings. In 
this case, add the fi  le extension “.ogg” to 
the end of the fi  le name, and then write 
it to the disc.
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