RECA 250 QUIZ 1 REVIEW EXAM
QUESTIONS WITH CORRECT ANSWERS
what does "unity gain" mean? - Answer-the level that goes in is the level that comes out
what is an appropriate level range for a voice over? - Answer--26 to -28 LKFS or -20 to -
12 dBFS
if the narration is peaking at a range of -10 to -2 dBFS, what should you do to fix the
level? - Answer-lower it by about 10 dB
most U.S. digital TV broadcast standards call for average dialogue levels to be
approximately: - Answer--24 LKFS
if you take a recording made with a binaural mike and play it back over two stereo
speakers instead of headphones, what tends to happen to the overall quality of the
recording? - Answer-the quality is greatly diminished because the sound doesn't go
directly into your ears with headphones and the sound interferes with the room
why is it bad to cover up the mike ports? - Answer-covering them will make it sound
more like an omnidirectional mike; it would alter the directional pattern of the mike
the subjective doubling of loudness is - Answer-10 dB
the threshold of hearing is - Answer-0 db SPL (120 is the pain threshold
the standard good movie theater loudness is - Answer-85 db SPL
there's no sound coming from the mike after switching from a dynamic mike to a
condenser mike, with a MixPre-3 input, because - Answer-the phantom power is not
turned on
"headroom" for a sound recorder is - Answer-"safety margin" between standard
operating level and the point where a higher record level will cause unacceptable
distortion
student film mixes use a reference level of - Answer--20 dBFS
if you change the reference level to -18 dBFS and adjust it for a movie theater based on
a -18 dBFS standard, the film mix will now sound - Answer-just a little bit softer overall
(1) weakest to strongest signal (4) - Answer-1. mike level 2. consumer line 3.
professional line 4. speaker level
QUESTIONS WITH CORRECT ANSWERS
what does "unity gain" mean? - Answer-the level that goes in is the level that comes out
what is an appropriate level range for a voice over? - Answer--26 to -28 LKFS or -20 to -
12 dBFS
if the narration is peaking at a range of -10 to -2 dBFS, what should you do to fix the
level? - Answer-lower it by about 10 dB
most U.S. digital TV broadcast standards call for average dialogue levels to be
approximately: - Answer--24 LKFS
if you take a recording made with a binaural mike and play it back over two stereo
speakers instead of headphones, what tends to happen to the overall quality of the
recording? - Answer-the quality is greatly diminished because the sound doesn't go
directly into your ears with headphones and the sound interferes with the room
why is it bad to cover up the mike ports? - Answer-covering them will make it sound
more like an omnidirectional mike; it would alter the directional pattern of the mike
the subjective doubling of loudness is - Answer-10 dB
the threshold of hearing is - Answer-0 db SPL (120 is the pain threshold
the standard good movie theater loudness is - Answer-85 db SPL
there's no sound coming from the mike after switching from a dynamic mike to a
condenser mike, with a MixPre-3 input, because - Answer-the phantom power is not
turned on
"headroom" for a sound recorder is - Answer-"safety margin" between standard
operating level and the point where a higher record level will cause unacceptable
distortion
student film mixes use a reference level of - Answer--20 dBFS
if you change the reference level to -18 dBFS and adjust it for a movie theater based on
a -18 dBFS standard, the film mix will now sound - Answer-just a little bit softer overall
(1) weakest to strongest signal (4) - Answer-1. mike level 2. consumer line 3.
professional line 4. speaker level
