Actually, it's likely that most conference softwares done it by default if you have 'noise removing' on. If you record your sound without any processing using a

Actually, it's likely that most conference softwares done it by default if you have 'noise removing' on. If you record your sound without any processing using a condenser microphone next to a computer/fan in a office room. You usually get a lot of low frequency noise.(Way more than you expect, because your ears are already adapted to it but the microphone won't) Even cutting them alone can improve sound quality by a lot.