Here's a quick and dirty directivity measurement I did on an
unmodified H2:
http://www.pvv.ntnu.no/~sveinb/sfcalib/zoom-h2.html
It's not left-right symmetrical, which might indicate a measurement
problem. The ideal conversion matrix (ignoring the measurements, just
assuming ideal, as-specified cardioid characteristics. Posted before):
{w,x,y}={{w1, w1, w2, w2}, {x1, x1, -x1, -x1}, {y1, -y1, y2, -y2}} .
{fl, fr, rl, rr}
where
w1=1-1/sqrt(2)
w2=sqrt(2)-1
x1=2*sqrt(2)-2
y1=2*sqrt(2)/5
y2=2*sqrt(3)/5
and {fl, fr, rl, rr} is the input signal.
Svein
On 25. nov.. 2010, at 06:28, George Kierstein wrote:
Hi, I haven't been too successful in finding a conversion guide
between
different formats.
I am sure it won't be perfect, but I recently got an Zoom H2 which
does 4
channel L-R Rear recording and I would like to get it into B-Format
to send
through subsequent processing. I have seen tools that can convert the
4-channel into 5.1 but no information on how to turn 5.1 into B-
format. Of
course, it would be optimal to skip the middle step if possible.
Any info would be appreciated!
Thanks
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