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OrbWorks Community Forum • View topic - Music Notation

Music Notation

Discuss topics that apply across the products, such as the PocketC language, or development in general

Postby Gazza on Wed Oct 02, 2002 6:26 pm

How do I find out the note resolution to ticks?

I know that 60000/tempo gives you the correct delay time,
in milliseconds.

Why doesn't ticks work in milliseconds?

I could probably work out the crotchets and quavers,
it's the triplets which are the problem.

Thanks in advance

Gazza
Gazza
 
Posts: 146
Joined: Sat Jan 12, 2002 1:56 am
Location: United Kingdom

Postby wolfgang on Thu Oct 03, 2002 3:38 am

Tempo is beats per minute.
Per definition one beat is a quarter note.
The time is 60sec/duration measured in 1/4 notes, or
60000msec/duration.

E.g. tempo 120BPM ==> 1/4 note is 0.5sec, 1/8 note is 0.25sec, and so on.

Three triplet notes are just as long as two "normal" notes of same denominations. Thus a triplet duration is 2/3 of the "straight" duration.

E.g. when 1/4 note lasts for 1000msec, a triplet quarter note lasts for 666.66msec.

Wolfgang


Composing music on the PocketPC! - http://www.pdamusician.com
Composing music on the PocketPC! - http://www.pdamusician.com
wolfgang
 
Posts: 281
Joined: Tue Dec 12, 2000 4:22 am
Location: USA


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