Physical Noise
It may emanate from the environment:
loud talking from the next room,
opening or closing of doors
sudden announcements over a loudspeaker Semantic Noise
It refers to differences people have for the meaning of words.
It includes: misheard or misunderstood terms, gender bias
Hierarchical noise
It refers to the shading in meaning we attribute to a message based on person’s rank orstatus within the society