There is much talk in recent years about the audio noise pollution, especially after the significant increase in the production of mechanical machines and engines, and vehicles, and locomotives, and the spread of the speakers, which made it difficult for a person to enjoy the comfortable and quiet. 
And although that sounds necessary for humans and indispensable for understanding and transfer of ideas and meanings, that noise pollution noise is a novelty element of the pollution of the environment, especially the urban population, which is a waste of civilization Industrial