The effect comes from Grand Canyonscope, a Donald Duck cartoon released on December 23, 1954, in which Donald works as a tour guide at the Grand Canyon. The short was produced by Walt Disney in CinemaScope and is remembered for its wide format gags and expressive sound design. Its radio tuning moment was later lifted by editors as a standalone clip for signalling interference and dropped broadcasts. It remains popular because that analog dial sound is instantly understood, even by audiences who have never used a physical radio tuner.
關於此聲音
A short radio tuning out effect from the 1954 Donald Duck cartoon Grand Canyonscope, with a fading signal and static used for lost connections and scene cuts.
This is a brief radio dial effect where a broadcast voice or tone slides off frequency and dissolves into tuning static before cutting out completely. Lasting just over two seconds, the pitch drops and wobbles as if someone turned the knob past the station, losing the signal in a wash of crackle. It instantly communicates a lost transmission, a broken connection, or attention drifting away. Because the fade is so abrupt and recognisable, viewers understand the interruption without any explanation, making the moment feel like an old broadcast suddenly going off air mid sentence.
