Old-fashion newscast telegraph keyer (sounder) heard between stories being broadcast
cartoon voice saying: "Alright get the news over with -- I wana hear the music."
cartoon voice saying: "This (beep)in' radio station oughta lose its license."
cartoon voice saying: "I can't stand listening to this guy on the radio in the morning."
cartoon voice saying: "Be quiet. I don't want to hear a mouse wiping its ass."
Weird phone tones through vocoder
silly radio announcer saying "It's time for a time and weather check"
radio announcer saying 'favorite station'
Train station announcement over loudspeaker