Use an extension microphone aimed away from the unwanted noise.
If a student has a hearing aid, they are likely to hear a lot of unwanted noises.
But it asserts that the models block unwanted noise better than most sets and are more comfortable as well.
It is used to cover up unwanted noise.
When using many effects, unwanted noise and hum can be introduced into the sound.
The room is soundproofed to avoid unwanted noise being mixed into the broadcast.
Rock musicians may also use small portable units to control unwanted noise from their amplification systems.
Shutters were also used during dinner to keep out unwanted noise and distractions.
The ability of acoustic engineers to screen out unwanted noise meant that a given sound could be detected at an even greater range.
Again, if taken to the extreme, this technology can go beyond the original uses of simply canceling an unwanted noise.