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| Midi Ticks |
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phantom5869 Member since: 4/4/2008 From: Ann Arbor, MI, United States |
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 Posted - 4/4/2008 10:37:26 AM |
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| when one is creating a midi sequence, is there a method / formula to convert midi ticks to seconds and/or milliseconds |
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Jaap1978 Member since: 4/23/2007 From: Zwolle, Netherlands |
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 Posted - 4/4/2008 3:14:53 PM |
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| I assume you know the midi tempo of the quarter note. If so then you can calculate it as follow: tempo 60 = 1 quater note is 1 second tempo 120 = 1 quater note is 0,5 seconds The formula for seconds is 60/tempo So if you have a tempo of 70 the formula to calculate a second = 60/70 = 0,85second For the total length you need to know how many bars of quater notes you have. If you have 100 bars of 4/4 that means you have 400 qauter notes. If you have tempo 70 the formula would be for the exact time 60/70 x400 = 342,85 seconds Edit: corrected the formula [Edited by - Jaap1978 on April 4, 2008 4:14:21 PM] ----------- Jaap Visser Composer/Sound Designer Jaap Visser Music Productions 3 Peak Audio |
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nsmadsen Moderator - Music and Sound Member since: 2/22/2006 From: Denver, CO, United States |
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 Posted - 4/4/2008 3:18:42 PM |
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| Jaap shoots! HE SCORES! :) Nathan Madsen Composer-Sound Designer Madsen Studios |
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Ezbez Member since: 5/10/2005 |
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Posted - 4/4/2008 3:24:29 PM |
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Quote: That doesn't work with the info you gave. Wouldn't it be 60/tempo? Note: I don't know anything about music, but the math ain't adding up right. Tempo is in b/n (notes per minute). We're calculating s/n (seconds per beat), right? We also know that there are 60s/m (seconds per minute). Therefore, it would be (60s/m) / (tempo n/m) = s/n In order to get the right units. Or more simply, 120 / 60 != 0.5, while 60 / 120 = 0.5. Though I might really mean "quaternote" instead of "note", but the formula should still hold. |
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Jaap1978 Member since: 4/23/2007 From: Zwolle, Netherlands |
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Posted - 4/4/2008 3:48:42 PM |
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| Yeah I was dreaming and I accidently switched...sorry!! It should be indeed 60/temp I will edit my post and put the right calculation. Cheers Ezbez :) I think I scored in my own goal Nathan haha, but I had a rebound due to Ezbez :D ----------- Jaap Visser Composer/Sound Designer Jaap Visser Music Productions 3 Peak Audio |
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phantom5869 Member since: 4/4/2008 From: Ann Arbor, MI, United States |
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Posted - 4/4/2008 7:22:12 PM |
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| thanks everyone...I'll get cracking |
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| All times are ET (US) |
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