As we conduct this examination, we should remember that any two or more of these barriers may occur in combination. Noise is any random or persistent disturbance that obscures, reduces, or confuses the clarity or quality of the message being transmitted. In other words, it is any interference that takes place between the sender and the receiver. The biggest single cause of noise in the communication process may be the assumption that the act of communicating is a simple process - that it doesn't require much thought or practice and all effective managers were born with this skill. This is not true.
Effective communication comes with study and practice.
The effectiveness of the communication process is dependent upon the capabilities of the senders and receivers. To overcome the noise barrier to effective communication, one must discover its source. This may not be easy. Noise appears in a variety of ways. Many people have been so distracted.