A newborn hearing isn’t yet fully developed. Because of this, infants can hear high-pitched sounds, such as a baby’s cry, that adults cannot. The sound of the mother’s heartbeat, which can sound like the cry of a newborn, is the most common high-pitched sound heard by a newborn hearing. As the baby grows, the intensity of the mother’s heartbeat decreases and eventually disappears. The human brain is able to hear frequencies up to 20,000 cycles per second.
about human hearing
But the average human can only hear up to about 20,000 cycles per second. A newborn’s hearing isn’t yet completely developed because he or she cannot hear the higher frequency sounds that adults can hear.
The sound of a baby’s cry
The sound of a baby’s cry Introduction: A baby’s cry is the sound with the lowest frequency. It is the sound of a newborn that is made when a baby first awakens in the morning. The sound of a newborn’s cry is made by the sound of air being released from the lungs. The frequency of a baby’s cry is between 1,000,000 and 4,000,000 cycles per second. The average human can only hear up to 20,000 cycles per second.