關於mid問題？

mid is like a notes record and it is replay in a digital way, not an analog way like MP3 .... of course you can convert it to mp3 and wma, because it is a NOTES to analog conversion.
try www.goldwave.com
or
http://www.directfreedownloads.com/midi_tools_20/fast_midi_to_mp3_converter_26348.htm?ref=mmt_midi
you can download and give it a try.
hope all help