Recording engineers often use the accent form of these devices to modulate instruments that play solos within larger ensembles. For 10 points each:
[10m] A 3:1 rule is generally applied in “close” setups of directional or cardioid varieties of what devices, enhancing bass frequency responses via the proximity effect?
ANSWER: microphones [or mics; or pickups]
[10h] Ambient miking, which boosts room reverberations, often uses a setup named for this English audio engineer in which two mics are oriented in a figure-8 pickup pattern. This man was killed in a 1942 plane crash while testing the H2S airborne ground scanning radar system, of which he was chief designer.
ANSWER: Alan Blumlein [or the Blumlein pair]
[10e] Alan Blumlein invented the technology for this type of recording, in which mics at various positions are used to record sound that is played back using two channels. It is contrasted with mono sound.
ANSWER: stereophonic sound
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