Oh, how I miss my 486, with a Model M, and running OS/2.
It would be awesome if this app provided a toggle you could click that would scramble/unscramble the sounds while you're entering passwords, that way evedroppers can't get anything meaningful (other than your password length)
“To temporarily silence bucklespring, for example to enter secrets, press ScrollLock twice (but be aware that those ScrollLock events are delivered to the application); same to unmute. The keycode for muting can be changed with the -m option. Use keycode 0 to disable the mute function.” — the paragraph after the section quoted in my OP.