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Re: X-Y -> M-S

Subject: Re: X-Y -> M-S
From: "Rob Danielson" danielson_rob
Date: Sun Mar 11, 2007 7:38 pm ((PDT))
Rob asked:
>>  What M-S encode/decode
>>plug do you use? I'll try it again with yours.

John Replied

>What you need is "Stereo Tools" a VST plug-in that works great and its free
>http://www.kellyindustries.com/
>Unlike the almost unusable (IMO) facilities within Audition with this plug
>you can adjust gain individually, width, swap channels, invert phase with
>ease. You can also do non-mono compatible MS if you wish too, rather than
>having identical amounts of S & inv S as one should you can set it up to
>have non identical amounts so some of the S will be heard in mono.
>I also use the facilities within the Yamaha O2R.

I can't use this plug in Mac. We'll try it within Audition at school.

Rob asked:
>
>Do you think that alterations like adjusting the mid level to taste
>become a factor? There were some mda plugs that seemed to be a
>simpler patch, but the ones' folks are now creating/using are more
>involved. I did the test with the plugs I have at the default
>settings. I prefer a virtual board, separate EQ on both sources, gain
>adjustments and then save the mix session with the result should I
>need to re-do it. But, most people use M-S plugs, so we looked into
>it. Rob D.

John Replied:

>
>Do anything you like the sum & diff technique is merely an alternate way of
>transporting & manipulating 2 sound sources as in my "party Piece" they
>don't of necessity need to relate to each other at all.
>regards
>JL

I appreciate the elegance of how the M-S -> L-R manipulation should 
be undoable. I'm alerting recordists that the L-R might not be 
identical to working with the original M-S recording. I'll see if I 
can repeat your results.  Rob D.


-- 
Rob Danielson
Peck School of the Arts
University of Wisconsin-Milwaukee
http://www.uwm.edu/~type/audio-art-tech-gallery/





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