Dinner needed to become a more civilized affair so I recently started using a decibel meter application on my iPhone to monitor the din during din din. Both children want attention at the table and every evening begins an ever escalating volume war to gain said attention.
The decibel meter takes care of all that jazz. "Kids, you say you want movie night after dinner? Then don't let the max hit 105dB!" And just like that, dinner was enjoyed at conversational sound pressure levels.
According to Wikipedia, a Noise Gate is:
A noise gate or gate is an electronic device or software that is used to control the volume of an audio signal. Or Dinner.