Hi,

Depends on the file type.
Midi files just specify a sequence of notes with their duration, attack etc.. to control a synth so they're of the latter type. Most other formats record actual frequencies with varying sampling rates.

Over-simplification but HTH,
Viv

>Just a general question.
>Does anybody know the make up of Music Files.
>Do they contain some sort of Frequecy 'Physical' coding or do they actually hold codes for Crotchets and quavers as you would see on sheet music.