quote:

Originally posted by echosystm drums i will rarely pan more than +-15, unless it is a shaker loop or light bongo sounds or something. in such cases i might go out to about +-20 or so, but not much further or you will lose mono compatibility

Why would hard (or even moderate panning) cause a sound to lose mono compatibility?? A phase coherent sound is a phase coherent sound, regardless of how much you distribute to the left or right channel. Whether you put a bongo dead center or hard right should have no bearing on mono compatibility. If you hard pan a stereo source to the left you will lose the right channel, but that's not a result of phasing issues, it's simply raising one channel's volume at the expense of the other.

quote:

Originally posted by kadomony Check out Gift - Learning the Art. The entire bassline is out of phase.

If the bassline were entirely out of phase, it would disappear in mono. Having just played the song in mono and finding it to be as full-bodied as ever, it seems clear to me that the bassline is not entirely out of phase. What is giving you the impression that it is out of phase?

Some funny posts in here Some of you desperately need to learn about phasing, pan laws etc.

+1 on the flanging and chorus. That stuff can really work on some select tracks, especially hi hats for that cheesy old school sound.

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Ok, here's a better explanation and maybe all the clarity that needs to be given to this subject. I experimented a bit more and found we just need some more definition.
Take a listen to the samples I've provided here (headphones may help to hear the wideness):
http://www.zshare.net/download/53960570434015a6/

Stereo = the unaltered signal
Mono = the signal in mono, obviously
Phase = everything out of phase

Checked in mono, you lose a lot of the bass dynamics; you can hear why if you check phase. The producers used stereo delay close to or phase inversion itself to make the bass super wide on a stereo system.

I decided to do my own experiment here with "invert."
I loaded a sampler with fx and inverted the left channel of its output. In mono you can hear it still sounds pretty good, even though some frequencies were removed (invertphase).
When dealing with certain fx on a waveform or FM synthesis, you're going to have certain harmonics IN phase and some OUT depending on how much delay you place on a stereo channel or if you invert the phase.

That being said, any sound that isn't mono is going to have some amount of phase cancellation.

It's a good idea to check your mono compatiblity throughout the production process so frequencies you may want or need to be heard on a mono system don't get lost due to phasing issues.

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Last edited by kadomony on Jan-10-2009 at 21:40