Enviroment II QUIZ 1
Sound and Noise Environment Quiz
Test your knowledge about sound, noise, and their impact on our environment with this comprehensive 10-question quiz. It's designed for anyone interested in understanding the complexities of acoustics and how they influence daily life.
Key features:
- Multiple choice and checkbox questions
- Focused on sound masking, white noise, pink noise, and their effects
- Engaging and informative content
"Noise" is a derivative of the latin word for (BLANK)
Nausea
Nuance
Nuisance
Listeners clearly comprehend when the talker's signal is sufficiently loud (BLANK) relative to the noise at the listener location.
(+10 db)
(+15 db)
(+20 db)
What is the most common enemy of speech intelligibility?
Exterior Noise Contribution
HVAC Systems
Mechanical Systems
Which categories are less able to filter out the background noise and concentrate on the source? This category also requires a greater signal-to-noise ratios.
Children younger than 15, people with hearing impairment, non-native speakers of a language, and older adults
Children younger than 15, and non-native speakers of a language
Non-native speakers of a language and older adults
No Fewer than 40 studies have linked noisy enviroments to:
Poor Concentration and poor test scores among school children
Poor cognition, poor comprehension, poor concentration, and poor test scores among school children
Poor concentration, poor cognition, higher rates of misbehaviour in the class room and a higher rate of dropouts
What is Sound Masking?
Is a neutral, virtually inaudible sound introduced into the work enviroment
Is a neutral, loud sound introduced into the work enviroment, generated by speakers located in the ceiling plenum
Is a neutral, virtually inaudible sound introduced into the work enviroment, generated by speakers located in the ceiling plenum
Is when the accoustics are so well maintained and installed no sound gets heard
Sound Masking is designed to correct both problems of (blank) and (blank.)
Too little background sound and too little noise
Too much pink noise and brown noise
Too much noise and too little background sound
What is the goal to of Sound Masking (SM)?
The goal of SM is to decrease distractions, increase privacy, and enhance comfort
The goal of SM is to decrease pink noise
The goal of SM is to masking all noise creating a silent space
Check Items that are TRUE for White Noise.
White Noise decreases concentration and production
White Noise uses frequencies played in slow succession, the brain then combining them into a fuzzy hiss of static
White Noise sounds low pitched because our brains decrease the sound in this higher region, causing them to seem softer than they really are
White Noise contains sounds from all across the frequencies we can hear, much the same as Blue light contains frequencies we can see
White Noise encourages more concentration and more production, but is found to be uncomfotable, even painful by some
White Noise sounds high pitched because our brains amplify sound in this higher region, causing them to seem louder than they really are
White Noise contains sounds from all across the frequencies we can hear, much the same as white light contains all the colors of the rainbow or all the frequencies we can see
White Noise uses frequencies played in fast random succession, the brain then combining them into a fuzzy hiss of static
Check Items that are TRUE for Pink Noise.
Pink Noise has near equal sound energy at each octave band
Pink Noise produces random points of static - a random noise generator
Pink Noise does not have equal sound energy at each octave band
With Pink Noise, the volume of the higher frequencies is dampened, for a deeper more balanced listening experience.
With Pink Noise, the volume of the higher frequencies is heightened, for a high hissing sound
Pink Noise is noise is a myth and does not exist
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