A gate is typically the same thing as an expander, but set to a such high ratio (I.E. high compression) that it doesn’t let anything past the set threshold. In other words, it is almost to the gate, what the limiter is to the compressor. Gates are perhaps most often used as a noise gate, that is, to remove unwanted noise from recordings.
Originally posted on March 24, 2011 @ 12:29 am