> On 4 Oct 2018, at 16:10, Duncan Whitley [naturer=
ecordists] <> wrote:
>
> Hi all
>
> Wondering if anyone with mid-side knowledge can help me out on this one. =
I made some recordings last night and in the dark mistakenly plugged the S =
into the left-channel of my recorder, and the M into the right. Usually thi=
s wouldn=92t be problem for me to rectify as I tend to record in MS on disc=
rete mono channels and decode later - however, on this occasion I decoded t=
o XY stereo inside the matrix box of the mic.
>
> Is it possible to recover the original M and S channels from the XY stere=
o decoded recordings? My intuition says =93no=94, but wondered if anyone ha=
d any knowledge on this.
>
> It=92s easy enough to derive the M and S from the XY stereo when the chan=
nels have been decoded to stereo correctly in the 1st place, but I=92m not =
sure in this case if it still works.
Second option, you can use a M/S processing plugin to convert the XY signal=
you derived back to MS. That will bring up your original files.
Once you have done that you can exchange the channels and convert back to L=
R, this time using the correct channels for M and S. Anyway the
result is the same as inverting the phase of one of the decoded channels (o=
ption number 1 in my email).
This MS matrix is free and it should solve your problem. Also remember that=
you can apply these techniques to some XY stereo recordings as long
as the capsules were close enough (talking about the Rode Videomic X, etc).
https://www.voxengo.com/product/msed/
Borja.
"While a picture is worth a thousand words, a
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause.
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