Introduction - If you have any usage issues, please Google them yourself
A music editor, music include pitch (with 1 ~ 7 that bass area, 8 to 14 that the Alto area, said 15 to 21 treble area, the relationship between pitch and frequency, see the annex to this form) and duration (available 1 that a 16 hours duration, 2 said that one eighth of duration, that is the whole note, half note, quarter note, eighth note, etc.), and then through the PC speakers bring their own design through the 80x86 assembly language program to control the play .