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BPM in Pro Tools
Old 9th May 2006
  #1
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Dirty Halo's Avatar
 

BPM in Pro Tools

I hate to ask this, I should know...is there an easy way in Pro Tools, Beat Detective, whatever, to throw in a drum loop and for Pro Tools to tell you what BPM it is?

Thanks...I feel dumb for asking this, I don't do loops much...humbled. I have a ton of loops to audito, many of which don't have the BPM labeled and I don't want to spend all day counting beats and estimating BPMs.

Thanks for any help!

-a
Old 9th May 2006
  #2
Gear Nut
Try this: http://www.digidesign.com/disk/diskflix/

There is a link "Tempo Matching" or "Identify Beat" under "Pro Tools Tips and Techniques".

Hope this helps,

Jarkko
Old 9th May 2006
  #3
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Ruudman's Avatar
 

If I recall right, you can also use Ableton/-Lite; insert Ableton RTAS, drag files to a track, and the edit window will show original tempo of the loop... I think...


ruudman
Old 9th May 2006
  #4
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Gregg Sartiano's Avatar
 

If the loops are already cut (or if you can verify a sample-accurate length), you can derive the BPM from the loop length.

Calculate by measuring the loop in samples:

number of beats sample rate 60 sec
______________ x _______ x ______ = beats/min
length of loop (samples) 1 sec min

So...

2 bar loop (8 beats), 200,000 samples, 44100

8/100000 x 44100 x 60 = 105.84 BPM

This is the MOST ACCURATE way of measuring tempos.

Physicists & chemists will recognize "factor label" method. And I was told that my Bachelor's degree would be useless in the music industry...
Old 9th May 2006
  #5
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5down1up's Avatar
 

theres that audiosuite plugin which comes with PT. time shifter ? ( sorry cant remember the name ) . you just select the desired loop, type in the beat measure ( f.ex 4/4 ) and it tells you the exact tempo. then you can change the session tempo and your done ...

takes ~ 5 secs.

Old 9th May 2006
  #6
Moderator
 
toolskid's Avatar
 

apple+i
Old 9th May 2006
  #7
Gear Nut
 
sounddevisor's Avatar
 

Yeah, what toolskid said. But to give a little more detail:

a) Put Pro Tools into grid mode.
b) drag your loop onto a track. The start of the loop should be right on a bar line.
c) make sure the loop is selected, hit apple key+i ("Identify beat")
d) in the dialog that pops up, set the right bar/beat numbers (i.e. if you have a 2-bar loop, set the end of the loop to be at bar 3 beat 1)
e) you can now see the bpm in the extended transport bar.


repeat as necessary.
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