The combination of significantly increased size with much lower background implies an excellent discovery potential in the years to come. (uni-mainz.de)
Conversely, several studies suggest that when classrooms have a better balance of lower background sound and good distribution of a teacher's voice, test scores rise significantly. (asumag.com)
I appreciate the recording — but I would lower the background music while the guest is talking, couldn't hear him well. (couplemoneypodcast.com)