The Engineer, Producer, or client chooses which type of microphone is to be used on a certain instrument or voice.
Different Miking Techniques
Spaced Pair
X/Y
M/S
Decca tree
I also learned about The Blumlein Technique.
I learned many common drum milking techniques.
The engineer/producer should be aware of the following traps that are offer encountered when recording the human voice-
Excessive dynamic range
Sibilance
Excessive bass boost due to promixity effect.
We also learned stereo spaced pair miking technique.