• Linux 에 sound theme 기능이 있어서, 원하는 소리셋으로 변경가능하다.
• Sound theme 목록

• Smooth - complete system sound theme with 58 event sounds - Gnome-look.org

sudo apt install moblin-sound-theme pop-sound-theme

• https://unix.stackexchange.com/questions/419477/change-default-sounds-of-gnome-clocks-app gnome-clocks
• How to Install and Configure Sound Themes in Ubuntu, Linux - debugpoint.com
• Sound themes in Linux: What every user should know | Opensource.com
• fedora - What causes apparently random “digital watch” beeping alarms on F32? - Unix & Linux Stack Exchange : 어떤 프로그램이 삑삑 소리를 울리는지 알아내는 법.