I’ve always done my gain matching and A/Bing manually but I hear there are nice plugins that do this for you automatically.
I’d like to know: how do these plugins calculate the loudness? Is it based on RMS, peak level or some kind of longer-term average loudness (LUFS)? If so, do you have to play the audio first before they adjust the loudness?
Also, if you know of any good gain matching plugins please mention them.