Want this question answered?
More times than not, the recording artist will be listening to either a backing track or a click. The headphones are to prevent excess sound from bleeding into the microphone. A vocalist, for example, will most likely need to hear all of the instruments plus his own voice in his headphone mix. The reason you don't want any bleed is because the sound source is easier to manipulate if it is completely separated from everything else in the mix.
because no dust
Commentators wear headphones because they need to be able to hear their program and they also need to not hear the noise from the outside and interference.
no the defensive captains get the plays from the coaches doing signals with their hands on the sidelines
It is not strictly - necessary - it is only convention.
Dust protection. Tyvex can retain particles down to under one micron
There are several good wireless headphones that can be used by children to watch tv. One is the My Zone headphone that sells for $27.00 at Amazon. Another is the Pyle wireless headphone that sells for $22.00. Both are comfortable to wear and good for children.
Yes if this is necessary.
Because a body in motion tends to stay in motion. See the link, The Car and The Wall.
No, you do not wear a cup for tennis. It limits your mobility in certain situations, and is not necessary.
It is necessary to wear a bike helmet to reduce the incidence of head injuries suffered in crashes.Helmets protect the vulnerable parts of the skull.Most countries now legally require you yo wear an helmet.
It is absolutely necessary to wear thick socks when it's cold in the winter. This action can help you reduce the chance of bad blood circulations to your feet.