This study aims to help preterm babies (born early) improve their ability to hear and understand speech sounds. A new device is being tested at a stage when babies are equivalent to 32 weeks of pregnancy or older. In the hospital's neonatal intensive care units (NICUs), babies often don't hear their parents' voices enough, which affects their brain and language development. The device works with a pacifier, which senses when a baby sucks, and plays the mother's voice, helping the baby learn through this natural action. **Key points to consider:**

• This study lasts for 3 weeks and tests the impact of the mother's voice on the baby's brain.
• The device is safe and meets hospital standards for cleanliness.
• The study is designed to ensure that all families, regardless of their background, can take part.

Babies must be 32 to 35 weeks in age for the study, and they cannot join if they have certain health issues, like being on a ventilator or taking specific medications. This study could help improve language skills by using the mother's voice, especially in noisy hospital environments.