• The sound that is unpleasant to us is called
  • Example sound of the horn, sound near the site of construction work, etc.
  • The sound that is pleasant to our ear is called musical sound, such as the sound of a musical instrument, the song of a good singer, etc.
  • Noise can be regarded as an unpleasant sound. Noise consists of sound waves of varied frequencies which have no particular periodic pattern of repetition. Therefore, noise is regarded as a mixture of sound waves with irregular frequencies.
  • Music, on the other hand, is a pleasant sound that has a clear pitch. Musical sound can be created by arranging and combining different sounds in a particular order. The frequencies of a musical sound are harmonious.