(add-hook 'erc-text-matched-hook
          (lambda (match-type nickuserhost message)
            (cond
             ((eq match-type 'current-nick)
              (shell-command-to-string "aplay -q ~/.emacs.d/notify.wav"))
             ((eq match-type 'keyword)
              (shell-command-to-string "aplay -q ~/.emacs.d/notify.wav")))))