paging lesson 8

Question 1

sound masking works by subtlety raising the _______, thereby reducing sounds dynamic range. this effectively masks ________ and makes the work environment acoustically comfortable

Answer 1

ambient background level

unwanted noise

Question 2

a properly installed sound masking system will make cubicles more __________

Answer 2

efficient

Question 3

a sound masking system must be ________ so that the frequencies fall within the preferred sound masking curve to ensure ____ for all frequencies

Answer 3

tuned

sound uniformity

Question 4

masking systems do produce a sound and that sound should be ___________

Answer 4

barely perceptible

Question 5

sound masking works because it changes the ______ of sound in an environment

Answer 5

dynamic range

Question 6

sound masking systems are ____ the same as white noise

Answer 6

are not

Question 7

how are hot and cold spots prevented

Answer 7

lots of frequently placed speakers

Question 8

when a space already has a large amount of ambient noise the sound masking system doesn’t need to ________

Answer 8

cancel as much noise

Question 9

to ensure privacy, it is essential that the masking systems sound be balanced with ______

Answer 9

surrounding architecture and sound absorbing furniture

Question 10

how much louder than incoming speech from adjacent work stations should the masking level be

Answer 10

3-5 db

Question 11

what are the two things a sound masking system MUST do

Answer 11

mask speech

must not be distracting

Question 12

the test for determining how well a system works is based on the?

Answer 12

AI (articulation index) astm test E-1130

Question 13

a sound masking system should make a work space feel ___________

Answer 13

more private and comfortable