What is that % BPM for ?
An extract from the Multi-Racial UMI Dj course...
Ever wonder what or how the percentage value on a CDJ has any impact on your getting your mix of your tracks to stick...
A cunning trick that Dj’s use to get their mixers quick and tight is by relating the percentage shift on a cdj or controller accordingly to how far separated the actual tempos of the tracks they trying to mix are from each other
as for instance in House music the average speed of a track is 125bpm, so you’ll find dejaays who use this technic would move there pitch slide to display the percentage at 0.80% increments to have a 1 bpm change in there track, obviously this would change accordingly to the tempo of the track but instead of wasting your time moving your pitch slider at 0.01% at a time trying to get your beats to
match one could just jump in 0.80% increments and then fine tune by ear in that region
example :
If your current 125bpm house track is at -0.08% this would mean that your track would play at 124 bpm and this should show on screen too in your BPM square , lets say your next tracks Bpm a 126pm track we then know we would need to drop this down to - 1.60% in order to line up with your previous track.
This would work for all tempos one would just have to devide your tempo of your track into 100 as given in the example below:
100/150 BPM = 0.66%
100/145 BPM = 0.69%
100/140 BPM = 0.71%
100/135 BPM = 0.74%
100/130 BPM = 0.77%
100/125 BPM = 0.80%
100/120 BPM = 0.83%
100/100 BPM = 1.00%
