Question

How do you promote good health and well-being?This World Environment Day, the
need to heal our relationship and start living in harmony with nature, perhaps, has
never been this stark in modern history.Explain.

Answer 1

Answer:

Typically, prior to some process, such as transmission over cable, or recording to phonograph record or tape, the input frequency range most susceptible to noise is boosted. This is referred to as "pre-emphasis" – before the process the signal will undergo.