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Applied Technique
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Appendix
Situation Practical
Use Technique
1
Setting and Placing Microphones in Arenas or Concert Halls
Because sound can change just by changing the microphone positions, microphone placement in arenas and
concert halls is extremely important. The best placement can be hard to nd because the sound echoes
di erently for each arena or concert hall. We introduce examples of setting microphones using general
suspended microphones and using microphone stands.
Using Suspended Microphones
Suspended
Microphones
Suspended microphones are microphones
suspended from the ceiling and are set for
recording public performances at authentic
concert halls. These microphones allow the
performance to be taped without
bothering the guests or lming.
You have to consult in advance with the
performers about the height to suspend
the microphones because if the
microphones are too close they might
interfere with the audience or lming.
The best recording is usually made by
having the microphones closer to the
performers.
Recording with Suspended Microphones
Using Microphone Stands
Microphone stands give you more freedom to adjust the microphone position than when using suspend-
ed microphones. But you have to consult in advance with the performers about the microphone stands
because they might
90–120 degrees
About 3 meters
Orchestra or Brass Band
Conductor
Adjust sound quality
with the vertical angle
As high as possible
Adjust sound quality with the angle
between the microphones
Recording in a Small Hall
Position two microphones near the center of
stage about three meters in front of the stage
(or behind the conductor) using the highest
setting of the microphone stands. Set the
left and right microphones apart at an angle
from 90 to 120 degrees. Be careful because
the angle between the microphones changes
according to the size of the stage. If the angle
is too large, the instruments in the center
become faint; if the angle is too small, stereo
sound is lost. Adjust the vertical angle so that
the microphones point to just below the front
part of the stage. The vertical direction of the
microphones should be determined during
the performance rehearsal. We recommend
using unidirectional microphones because
it is easy to set the sound. If you are using
stereo microphones, set them at an angle
between 90 and 120 degrees to capture
the orchestra or brass band. The height and
vertical angle is the same as when using two
microphones. Ultimately, it is important to
test the setup during rehearsal.
Caution!
Be sure to check beforehand whether you can use facility equipment, such as the suspended
microphones. You also need to check how to use the equipment and the type and characteristics
of the microphones.