One of the latest systems we've installed was for Community Hospital North. 
They are a part of the Community Health Network

The hospital installed sound monitoring units (Sonicu System) in its neonatal units to alert staff and family members when the decibel level exceeds the threshold considered safe for developing preemies. A yellow light cautions that the sound is approaching dangerous levels and a red light calls for quiet. >> Web Article <<

They're one of many hospitals who've chosen Sonicu for their audio monitoring and control needs