Variable: erc-default-sound
erc-default-sound is a customizable variable defined in
erc-sound.el.gz.
Value
nil
Documentation
Play this sound if the requested file was not found.
If this is set to nil or the file doesn't exist a beep will sound.
Source Code
;; Defined in /usr/src/emacs/lisp/erc/erc-sound.el.gz
(defcustom erc-default-sound nil
"Play this sound if the requested file was not found.
If this is set to nil or the file doesn't exist a beep will sound."
:type '(choice (const nil)
file))