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Re: OT: final mixing and mastering of film score....hints?

Per, isn't this technique based on the mid-side (MS) recording method?

On Mon, Feb 13, 2012 at 5:55 PM, Per Boysen <perboysen@gmail.com> wrote:
> Yes, that's correctly understood. In the first post I actually left
> out the last note, that the mix will become left-right reversed. If
> you care about that you could reverse it back to the original. It's
> not such a complex routing and the step for step instruction is all in
> my first post. But please note that it is a classic mastering
> technique for stereo format. Not a recommendation for mixing film
> music ;-)  It can be used to optimize experienced detail resolution
> and to achieve mono compatibility in a stereo master.
> Greetings from Sweden
> Per Boysen
> www.perboysen.com
> http://www.youtube.com/perboysen
> On Mon, Feb 13, 2012 at 6:33 PM, andy butler <akbutler@tiscali.co.uk> 
> wrote:
>> Per Boysen wrote:
>>> Here's what you do in detail by a more technical description:
>>> Ch A: Reverse stereo channels. Ch B: Invert phase. Now, when two
>>> channels of reversed phase play back through the same playback channel
>>> they nullify each other and the sum is silence. BUT here we made one
>>> of them stereo reversed, which means that only the audio that is mono
>>> - i.e. middle of stereo image - becomes nullified. Merging A + B gives
>>> us a "hole in the middle" stereo image. The deepness of the black hole
>>> and the width of the experienced stereo field depends on how you set
>>> the levels of these two stereo busses. My finding is that 1 dB lower
>>> for the phase inverted Ch B works best for the music I do (-1 dB that
>>> is). Now enter Ch C, the "monofied" split, and fill up that hole in
>>> the middle with this one. If the orignal mix is good this should stay
>>> at 0 dB as Ch A.
>> So all of the trick is to make you hear the mix
>> differently.
>> There's no way to get the original mix back with that combination.
>> It's almost an implementation of a regular "shuffler", but weirded up:
>> adding A and B equally gives you the classic "sides" signal, ready to 
>> mix
>> with the mono "center"...except that the whole result is now L<>R
>> reversed.
>> well, if it works......it's good
>> andy