Personal Passages plus a little needed MS Stereo advice...

SouthBySoWhat

Well-known member
Hi there,

On a personal note... Well, it finally happened. The day before my 8th anniversary as a multimedia guy (mostly VO session recording, DVD auth and occasional video shoots) for a large textbook publisher, our entire department was let go (more outsourcing). As we've been bought and sold repeatedly for the last few years, it's actually a relief to be done with the whole mess. My last day is 080108 and I plan to finally take the plunge as a freelance location sound fella (something I've wanted to do for a good while but unable to clone myself). As I am to receive 4 months of severance, that will hopefully be a buffer to get networked up a bit.

Enough of that, let's get on with the question!

I did a gig last night, 2 cam shoot for a hillside outdoor concert (Indian raga stuff with an awesome 4 piece string section, tabla, djembe and dancers). I had thought about just doing an X-Y with 2 Oktavas, but I only own one BBG and the wind was a bit unpredictable.

I decided to go with a MS Stereo setup, using an Oktava MC012 for the M channel and an AT4050 in figure 8 for the S channel. These were run into my 302 in MS mode, then out to a MicroTrack (my HD P2 didn't show up until today, dagnabbit). The board feed went into cam 1 and I had a 416 on cam 2 for ref/safety. I used a windjammer on the 4050 and a softie on the 416. Luckily we were able to catch a good 10 minutes of their soundcheck so I was able to have it dialed from the get-go. The board feed (XLR outs Mackie SR 24.4) was really good so combining the ambience of the MS setup with it is going to sound terrific, methinks (I'll post the aud after the editor is through assembling).

That's the context, my question is thus:
Fearing potential wind problems, I decided to go ahead and roll off the 4050 to 160 and left the Oktava flat, then adjusted the level of the S channel to taste. Can anyone think of a reason to not do this? I realize for music recording roll off isn't recommended, but for this config it seems like it would be fine as the Oktava was flat and picking up the lower freqs fine. It sounds great (which I suppose answers my own question), but I'd love some input from folks who use this technique regularly.

Sorry for the verbose post, but I always enjoy it when you guys riff on the minutiae of your setups.

Take care,

Sean

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Yes, believe in yourself...it sounds good, even with everything below a 100Hz rolled off. Listen to it on great speakers and figure out your next step. Maybe you need a Demo reel, i.e., portfolio.... ASAP!, hint hint... :)

Congratulations on your upcoming graduation. Your new assignment sounds exciting.
 
In a nice quiet studio you might go flat but out in the real world one often has to roll off the bottom. 160 is a bit higher than I would normally go but you were there and if it sounds good, you win.
 
Before bringing up your EQ plugin and dialing the HighPassFilter at 160, go and listen to hear how many times it comes up. If it happens occasionally then I would suggest you automating the EQ during those wind situations. If it happens all the time, then just set a parallel High Pass at 100Hz, and automate during the wind hits. This way you're not cutting out important information from the music.
 
I'm not a M/S guru but one potential problem comes to mind with applying the rolloff on just the side mic that is worth considering. In an M/S array, the width of the stereo image varies with the relative levels on the mid and side mics. If their response curves don't match such would be the result of rolling off one mic but not the other, the apparent width of the soundstage and the placement of instruments on it could become frequency dependent, leading to the appearance that the instruments are wandering about. Don't know how much of a problem that might be but I'd be on the alert to look for it.
 
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Thanks for all the input!

Your new assignment sounds exciting.

Heh. The absence of choice is always a terrific motivator.

160 is a bit higher than I would normally go but you were there and if it sounds good, you win.

Agreed, upon reflection, 80-100 probably would have been fine.

Alan, I wasn't sure if I was going to be able to have any hands on doing the post of the files, so I decided to overcompensate at the gig.

If their response curves don't match such would be the result of rolling off one mic but not the other, the apparent width of the soundstage and the placement of instruments on it could become frequency dependent, leading to the appearance that the instruments are wandering about.

That's a good point, Steve. If the M/S setup was the only audio source that would probably need consideration. Fortunately the board recording was decent enough to use as the main program material and I can just float the M/S stuff over the top for ambience.
 
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