FWIW, this is what they now sometimes use at esports events: https://www.acezone.io/ https://www.acezone.io/ They need to be able to block speech so the players

FWIW, this is what they now sometimes use at esports events: https://www.acezone.io/ https://www.acezone.io/ They need to be able to block speech so the players don't hear the commentators. I saw a video where they claimed that before there where specialized gaming noise canceling headphones they used headphones for helicopter pilots because anything else didn't have strong enough noise cancelling.