At just over one second, the quack usually needs no trimming and drops neatly into a timeline. Download the MP3 to keep it available offline, then assign the file as a ringtone or short notification tone if your phone supports custom audio. Its sharp attack can poke through speech, so lower it slightly when dialogue is already loud. For a longer gag, place goofy ahh sounds after it, or follow with a game show buzzer for a failed-answer beat.