Subject: Re: [linux-audio-user] Need help - hardware recommendations
From: linuxmedia4_AT_netscape.net
Date: Tue Feb 25 2003 - 20:34:57 EET
"Darren Landrum" <consul_AT_studioconsul.net> wrote:
> I would like to reiterate how much I like the sound you got form the
> drums. It sounds so natural, and quite perfect for the type of music
> you're doing.
>
>-- Darren
>> Jan \Evil Twin\ Depner
>> Anthony,
>>
>> I used two cheap (Marshall) overhead condenser mics for the
>> drums (about 2 meters up and slighty back of the
>> drummer) and a Shure SM57 on the kick.
One thing I wanted to point out (that they taught us in the recording
classes I took) was that in the (above) setup, it's important to put
the mics in a "cross pattern" (like an X). The heads of the mics need
to be 45 degrees apart from each other. If you don't then you can get
"phase cancellations". It has to do with the the amount of time it
takes sound to hit one mic and then the other. If the mics are _not_ at
a 45 degree position, then they can be close enough to cause one mic
to pick up the sound source and the other one to pick up the _same_
sound source (just milliseconds later). And when you have the same exact
sound being offsetted by only milliseconds, you get "phasing". In fact,
that exactly how you get the (guitar) effect they call "phasing".... by taking a sound and offsetting the same sound by just a few milliseconds.
I think (if my memory serves me well) that the 45 degree angle isolates each mic to the point were it can't pick up the same sound in each mic.
Actually, Jan may have some kind of knack for this thing, because we were taught that (the tecnique jan used) was the way to go if you only have 3 mics - (two overhead and one for the kick drum). In fact, I think Jan's choice to use condencers for overhead and sm57 on the kick is a good choice. But please trust me. If you don't do the cross pattern you (could) hear unwanted sounds (and/or dropouts).
While I'm at it... that whole recording sounds great.
Rocco
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