Since the birth

Since the birth Development of nonverbal hearing Nonverbal physical hearing this catching and differentiation various sounds of world around except sounds of human speech, distinction sounds on loudness, and also definition of a source and the sound direction.

Since the birth of the child surround various sounds noise of a rain, miaow of a cat, beeps of cars, music, human speech.

Small child hears only loud sounds, but auditory acuity quickly amplifies.

At the same time he starts to distinguish sounds on a sounding timbre.


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