Question 1

A loud sound has ___________.

Accepted Answer

A)   a high LSL.
B)   a high frequency.
C)   a high voltage.
D)   a high SPL. D

Question 2

What might happen if you connect a +4 dBu output to a -10 dBV input?

Accepted Answer

A)   Signal loss.
B)   Nothing.
C)   Noise.
D)   Distortion. C

Question 3

In balanced recording equipment, 0 VU corresponds to ______________.

Accepted Answer

A)   0 dBV
B)   0 dBm
C)   +4 dBm
D)   +4 dBV C

Question 4

A sound that is twice as loud is _________ higher in level.

Accepted Answer

A)   6 to 10 dB
B)   2 dB
C)   10 dB
D)   20 dB

Question 5

The smallest change in level that most people can hear is __________.

Accepted Answer

A)   10 dB
B)   0 dB
C)   1 dB
D)   3 dB

Question 6

If dBV is a measure of level, what is change in level?

Accepted Answer

A)   delta dBV
B)   dB C-weighted
C)   dB
D)   dB1/dB2

Exam 22: Appendix A: DB or Not DB

A loud sound has ___________.