Appendix

AAC stands for Advanced Audio Coding, which is standardised 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 files with the extensions (.aac/.m4a/.wav^*2) as the AAC files.

 

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Do not use an audio file extension on files other than audio files. In addition, do not change the audio file extension. Otherwise, the unit will not recognise the file correctly resulting in noise or a malfunction.

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• AAC files written under specifications other than the indicated specification may not play normally or files or folder names may not display correctly.

• The file extension may not be provided depending on the computer operating system, version, software, or settings. In this case, add the file extension “.aac”, “.m4a”, or “.wav^*2” to the end of the file name, and then write it to the memory.

  *1 International Organisation for Standardisation

  *2 Type B