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-- Question On BPM


Posted by Johnnyboi on Jun-04-2004 09:31:

Question On BPM

Alrite.. when I wanna know the bpm of my record I count the beats for 10 seconds and multiply it by 6.. say I get 130 BPM for the track playin out and the incomming tracks BPM I calculated to be 125 BPM. My question here is.. is there any math behind knowing how much % to slide the pitch like 2% or 3% etc.?


Posted by Gotcha85 on Jun-04-2004 09:39:

lol yea when spinning I always use a calculator

no seriously its hardly possible to 'count' the BPM


Posted by Sunnyside on Jun-04-2004 11:42:

No maths involved I'm afraid - use your ears...


Posted by Wildfir3 on Jun-04-2004 12:09:

If you don't wanna match using your ears, you need to find a different hobby.


Posted by tu_face on Jun-04-2004 12:29:

i created a little formula (back when i used to mix tracks together with cool edit for a laugh) to discover the bpm of a track without a bpm counter or anything, divide 960 by the exact time it takes for 16 beats to occur (usually around 6-7 seconds) and the result is your bpm. obviously accuracy depends on the accuracy of your timings...

if you want to get your calculator out and work out how much percent you need to move it up/down then all it takes is multiplying with decimals, i.e. to increase by 5% you multiply by 1.05, to reduce by 5% multiply by 0.95 (remember, if you multiply by 1.05, then reduce it by 5% by multiplying by 0.95, it will not get you back to where you started. reverse the equation i.e. if you multiplied by 1.05, divide by 1.05)

moving the pitch fader is a shit load quicker though.............


Posted by Freak on Jun-04-2004 14:11:

lol
I can just picture it, records running out because jocks are fiddling with calculators.

Seriously, it is possible to work it out with a formula, but why?- i can pitch accurately in a few seconds at most using the ears and years of practice.

With a formula it would never be spot on, as the fader is completely analogue and you would still have to correct it slightly


Posted by Wraith on Jun-04-2004 15:48:

IMO this is totally overcomplicating the whole process. Use your ears and you'll do just fine. Unless of course your totally beattarded in which case you can try to use math to save yourself. Seriously, people have been doing this for years without calculators and formulas and have been doing just fine at it. I'm sure that with some practice you can do the same.


Posted by Johnnyboi on Jun-04-2004 15:58:

chill-out!!! peeps I was jus wondering if it was eva possible.. thts all.


Posted by LinX on Jun-04-2004 18:04:

quote:
Originally posted by Gotcha85
lol yea when spinning I always use a calculator



haha thats classic


Posted by skytribe on Jun-04-2004 18:19:

quote:
Originally posted by Johnnyboi
chill-out!!! peeps I was jus wondering if it was eva possible.. thts all.


Possible, yes. Also utterly pointless.

To use your example, if you've got both decks set at 0%, then you need to raise the incoming by approximately 3.3% (3.3% will equal approximately 4.9 bpm difference). Oh wait, most pitchfaders aren't labelled accurately in units that small...


Posted by tranceDJ on Jun-04-2004 19:15:

quote:
Originally posted by skytribe
Possible, yes. Also utterly pointless.

To use your example, if you've got both decks set at 0%, then you need to raise the incoming by approximately 3.3% (3.3% will equal approximately 4.9 bpm difference). Oh wait, most pitchfaders aren't labelled accurately in units that small...


Most pitch faders aren't calibrated the same either which creates even more problems.


Posted by Ghostface on Jun-05-2004 05:44:

To answer the question yes you can, though with the way you are BPMing your records you're only going to get multiples of 6 which is extremely inaccurate.


I BPM all my records using my mixer and then when you mix you instantly have a rough guide as to where the Pitch needs to be. As has been pointed out, the ability to beatmatch solely using your ears is far more important as having the BPM of your records only gives you a rough guide. Also, if you play a versus set against someone and their records aren't BPM'd then you're going to be in the poo.


Posted by [N]�k|��[Z] on Jun-06-2004 10:18:

bpm matching is easy, i guess the only way to do it, is to match beats by using your fingers to keep the record in tmie and then adjust the pitch adjuct accordingly, theres no simpler way. does anyone else use any other methods cos i cant really see as to if theres any other way


Posted by Inertia on Jun-06-2004 12:16:

james holden jotts down the bpm of his tracks onto the sleev or CD, but in his case, it'd be hard to do without. i saw him (whilst having a record playing live) change 3 other cd's just to sample 3 second sounds off of them, and take em out, put another in.


Posted by djse on Jun-06-2004 16:31:

who cares
just match the beat



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