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Hello experts.
I would like some advice in stereo recording. I've read the books but I want to ask, out of your own experience, how do you pan tracks recorded using the following stereo techniques?

X/Y
Spaced pair
Blumlein pair
Mid Side
Decca tree

Thank you for your help!

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Comments

anonymous Wed, 04/09/2014 - 17:39

Impossible - at least for me - to narrow down. With the exception of the Decca Tree, I use them all, it just depends on the instrumentation, the situation and the application I'm working with at the time.

( Btw, you left out ORTF.)

It's also hard to tell you how I pan them, as the settings are relative to what I'm trying to achieve at the time. Situations vary greatly from track to track and song to song.

Boswell Thu, 04/10/2014 - 04:33

If you are talking about central main pairs, the mic configurations you mentioned for spatial recording are all designed to give a stereo pair of signals, one representing the L channel and the other the R channel (after any decoding necessary for M-S, M-S Blumlein etc). Panning in the sense of where to place a channel in the L-R space is not relevant.

Having said that, I often use spatial recording on single large instruments in a concert that I then place off-centre in the final mix if they were off-centre on the stage. To do this, I convert them to M-S (or use the original M-S if the mics are that configuration) and pan the M channel to where the central main pair says it should be, then bring up the S channel to give the required width around the M position. You have to be careful that your console pan laws do not play tricks on you when doing this.

thatjeffguy Thu, 04/10/2014 - 09:47

I also can't choose any single approach. I use them all. Which I use depends on the many variables faced in every session. I most often will pan hard left and right if the instrument being recorded is providing the primary harmonic and rhythmic backdrop. For example, most of what I record is singer/songwriter material featuring acoustic guitar. I always record the guitar in stereo (usually A/B) and pan the tracks hard left & right. Then I pepper the additional instruments and vocals in the spaces in between.
On my grand piano I love using M/S with my Beyerdynamic 130/160 pair floating 6 or 7 inches above the strings, above and parallel to the plate strut that divides the bass strings from the treble.
Jeff

RemyRAD Mon, 04/21/2014 - 17:27

The only stereo microphone technique I've not used? I can't think of one?

In fact... when one wants a binaural recording? What do you need? Well... I'll tell ya... a Dummy Head. Now... they're not cheap. But I am! (Most broad's like me are.) I am the world's best, Dummy Head. And that's no lie. I'm the Head, of all Dummies. And I make the best Dummy Head, recordings, at the Kennedy Center and other notable performance venues.

Now you're probably wondering what microphones I use? Sennheiser, MKE-2's. They fit in your ear very nicely. That's... ear. I did not leave an R out.

Ouch! That old tricks again? Wrong ear. Better get another hat?
Mx. Remy Ann David

pcrecord Wed, 04/23/2014 - 08:02

I guess we're all dummies at something RemyRad :LOL:

Jarjarbinks, I wonder how they recorded your voice in StarWars? did they slap the ribbon in your CG face ?? :sneaky:

Seriously, I'm with the others, there's too many possibilities for just throwing numbers.
Some will go natural (recreating how a band would naturally sound in a room or live venue) and some will go overboard and make everything wider than nature. It is a mather of taste, but you need to respect of the requirement of the chosen technic. (ex : M/S won't work if you pan both sides to the left)

anonymous Wed, 04/23/2014 - 08:35

I generally let the song drive the technique. In terms of stereo miking, I love using an M-S array for acoustic guitars, but it's certainly not the only multi-mic array I will use.

I suppose that when we are talking "tried and true", that the easiest is probably a coincidental / XY pair...

But here's the thing.... you really need to take your recording environment into account. It's important. If you have a bad sounding room to begin with, using a stereo or multi array isn't going to help.
All you will end up with is a very nice stereo recording of a bad sounding room. ;)

I have used the Dummy Head twice in my career ( both times it was a Neumann model), and both times the results were fantastic. BUT... both times were in very nice sounding rooms to begin with.

They ain't cheap though... $ 7,000 to $8,000 is not uncommon, although I've seen articles that contain schematics on how to build your own.
I would think that you would need a pair of very nice mics to begin with though, maybe something like KM184's...I certainly wouldn't want to use cheap capsules like CS1000's...

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anonymous Fri, 05/16/2014 - 04:40

I think that ear canal probably plays a major part - in that you couldn't just stick two lav capsules to the outside of a dummy head and expect it to do work - I think the mics have to be placed anatomically correctly within an accurate modeling of the ear canals..

I'm not sure about using a styrene wig head. Isn't part of the trick to also incorporate the various hollow canals/sinuses in the head as well? I'm not telling... I'm asking...

paulears Fri, 05/16/2014 - 05:53

That's what I'm thinking. If I take a mould of my IEM moulds I had done, then I could create the entry to my real ears in the model. I'm sure the internals of the head do make differences - as in resonances and frequency response curves, but the condenser element at the same place as my ear drum - I wonder what it would sound like?