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Appendix
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Microphones /
Di erence Between Sensitivity and Volume
Di erence Between Sensitivity and Volume
PRACTICAL
GUIDE TO THE
EDIROL R-44
Microphones
Microphone Types
There are two main types of microphone structures. It is important to choose the microphone best suited for the recording situation.
For example, a bass drum produces high sound pressure levels, so it’s best recorded using a dynamic microphones.
Type Structure Characteristic
Condenser
Microphone
A voltage is applied to
electrodes, and the change in
capacitance is converted to an
electronic signal
Although sound quality is superior in
high-range attributes, it is susceptible
to vibration and moisture and requires
phantom power
Dynamic
Microphone
Converts vibrations to an
electronic signal
Although sound quality is not as good
as a condenser microphone, it is
resistant to vibrations and moisture
and does not require phantom power
Microphone Directivity
Di erent microphones can capture sounds in di erent directions.
You should try changing the directivity of the microphone according to the recording.
Type Characteristic
Omindirectional
Microphones that have no directivity. Convenient when recording the atmosphere in
concert halls.
The built-in microphones of the R-44→
Unidirectional
Microphones that have good sensitivity toward sound from the front of the microphone.
Convenient to record only a speci c sound.
CS-50 (Stereo), CS-15R (Stereo), DR-80C, DR-50, DR-30→
Bi-directional
These microphones have the highest sensitivity toward their front and rear.
They can also be used together with a unidirectional microphone in an MS con guration to
produce a stereo signal.
CS-50
(Stereo)
CS-15R
(Stereo)
DR-80C
DR-30DR-50
INPUT
A/D
SENS
SENS
LEVEL
LIMITER
Lo-Cut
0010101001010110101.....
Noise can be controlled by adjusting
sensitivity to the largest value
without distortion.
Noise can be controlled by adjusting
sensitivity to the largest value without
distortion.
Analog Signal Digital Signal
Set LEVEL to the center, and adjust using SENS