Question about beatmatching/mixing effect

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Posted by Kirby on Feb-01-2003 23:38:

Question about beatmatching/mixing effect

Hey I've been noticing in a lot of live mixes or just CDs this thing that happens right when two songs are starting to meld together, it sounds often like every other kick or sometimes more irregular patterns than that, one of the kicks is much lighter/less forceful than the other, and can't figure out why this would be. Can anyone explain why this happens? And is it intentional?

Posted by noikeee on Feb-02-2003 00:17:

maybe it's because of the dj compensating on the low frequencies (bass). i always do this, having the tune coming in with no low freq, then slowly increasing the low freqs on the incoming tune while decreasing on the other.

Posted by Spin Doctor on Feb-02-2003 03:39:

No it�s not intentional at all. What happens is that through the wonders of physics, the kicks cancel each other out. Roughly speaking, if you have a two wave forms and the peak of one matches the trough of the other they cancel one another. This is why some of the beats seem to disappear. The reason why they�ll suddenly come back is because the wave forms don�t perfectly match so you don�t quite get a peak against a trough. Despite the fact that it sounds horrible, it�s surprisingly hard to duplicate intentionally when DJ�ing, it just kinda happens now and then.

Posted by DJ_Skaya on Feb-02-2003 03:44:

Yeah, usually if I hear the beat getting a slight bit off and I compensate, the beats get closer together, and right when they match they cancel, until its imperceptively off one way or the other.

Posted by jonnycarcinogen on Feb-02-2003 03:57:

I consider that to be a pretty useful tool in mixing even though I mix 4/4 tracks very rarely. Even on breakbeat songs it's still there, but obviously harder to spot. It's great hearing that canceled out sound in your headphones and you know you can concentrate on eq's rather than platter adjustments.