A Randomized Controlled Trial to Evaluate the Effect of White Noises and Parental Voices As Protectors Against Noise Damage in a Neonatal Intensive Care Unit

"The intervention group will receive white noise and maternal and/or paternal voice for a maximum of 4 hours per day, alternated as follows: 1 hour and 30 minutes of white noise, 30 minutes of maternal and/or paternal voice, 1-hour break, 1 hour and 30 minutes of white noise, 30 minutes of maternal and/or paternal voice. The intervention is expected to start at 08:00 in the morning and conclude at 13:00 and will be delivered from the day after the enrollment - when the parents provide their voice recording - until the day of discharge.~The device for administering white noise and maternal and/or paternal voice will be placed approximately 30 cm from the head of the infant in the incubator and at the foot of the infant in the open crib.~The volume will be 45 dB for infants in incubators and infants in open cribs."