How To Determine The Angle Between The Microphones - Schoeps CMXY 4V Ig Bedienungsanleitung

How to Determine the Angle between the Microphones

Area to be recorded
(e.g. orchestra or band)
b
a
α
ω
Fig. 3a
Recording angle α and the angle ω between
the microphones; all sound sources should be
lying within the recording angle α in order to
guarantee good mapping into the playback
area α ':
listener
Fig. 3b
The stereophonic recording angle α from Fig. 3a
is mapped into an angle α ' of 60° during
loudspeaker playback.
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main stereo
axis
α '=
60°
angle ω
b/a
between the
microphones
4,3 130°
5,6 141°
8,3 153°
16,3 166°
oo 180°
Table 1
This table can be used to determine the ste-
reophonic recording angle α from the ratio of
b to a (according to Michael Williams)
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recording
angle α
130°
120°
110°
100°
90°