The Three Windows Media Audio formats can provide slightly better audio results then MP3, especially at lower bit rates (known as audio quality in Windows Media Player – see next step), but are not as widely supported on digital audio players as MP3s.

You need to install a plug-in, freely downloadable, from Adobe web site to view the Japanese pdf documents on Windows OS (English Edition) installed with Acrobat Reader 6.0 (English Version) or Acrobat Reader7.0 (English Version)