
"While video/voice is enabled in Roll20, hover your mouse on the bottom
right corner of a player's portrait in the Player Zone. This action will
pop up a volume slider that you can use to fine tune a player's mic
volume to be heard properly. It's important to note that a slider exists
on your own portrait and tuning your personal mic volume affects how
other players in Roll20 hear you." Source: <a href="https://wiki.roll20.net/Video_and_Voice_Chat" rel="nofollow">https://wiki.roll20.net/Video_and_Voice_Chat</a> I've tried using both Google Chrome & Firefox. The "volume" slider never appears on myself or other players that are far too loud. I have the option to mute them with the little speaker icon poping up in the top right corner, but no solider ever appears no matter where I hover.