Overhead Miking - Zieaz LCA1 Instruction Manual

Overhead Miking

Example 4: "Overhead Miking"; In this example the microphone is placed at 2 meters
distance from a piano.
Assuming that the recording finds place in a concert hall; there will be some
background noise from the audience, actors, technical equipment and re-vibration
from walls etc. So an ambient noise of 25dB would be realistic for the Signal to Noise
calculation, of the intended instrument/multiple instruments sound to be captured.
When recording the "whole" sound of a symphony orchestra; placement of overhead
microphones (2 or more) , needs to be placed so they capture as many of the
instruments as possible. Usually an experienced sound engineer knows how to
place low-loudness instruments and high-loudness instruments in appropriate
distance to the microphones.
Working with microphone placement is in general a "trial and error + adjustment"
learning process. So the learning how a specific microphone will capture sound is
experience based.
The above "dB guide" is just a tool for finding some technical limits, based on some
generalized data.
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