Debian: https://sources.debian.net/src/dvd%2Brw-tools/7.1-11.1/debian/patches/05-beeping.patch/

Author: Matt Zimmerman <mdz@canonical.com>
Description: Disable obnoxious beeping.

--- a/growisofs.c
+++ b/growisofs.c
@@ -3453,14 +3453,14 @@
     printf ("'\n");
     fflush (stdout);
 
-    if ((warn_for_isofs&2) && !dry_run && !no_tty_check)
+/*    if ((warn_for_isofs&2) && !dry_run && !no_tty_check)
     {	fprintf (stderr,"Sleeping for 5 sec...\a"),	poll (NULL,0,1000);
 	fprintf (stderr,"\b\b\b\b\b\b\b\b4 sec...\a"),	poll (NULL,0,1000);
 	fprintf (stderr,"\b\b\b\b\b\b\b\b3 sec...\a"),	poll (NULL,0,1000);
 	fprintf (stderr,"\b\b\b\b\b\b\b\b2 sec...\a"),	poll (NULL,0,1000);
 	fprintf (stderr,"\b\b\b\b\b\b\b\b1 sec...\a"),	poll (NULL,0,1000);
 	fprintf (stderr,"\b\b\b\b\b\b\b\b0 sec...\r");
-    }
+    } */
 
 #if defined(__unix) || defined(__unix__)