Little is known about the original recording behind this clip, and it circulates online simply under the misspelled name reverbb and the phonetic title avuhrm. Its spread comes from soundboard sharing, where short, odd vocal effects are saved, replayed and dropped into unrelated videos for comic contrast. The heavy echo gives it a recognisable identity despite having no words, melody or named source. Creators keep reusing it as a reaction sound because the long tail fills silence, signals an awkward pause and turns an ordinary clip into a short meme without needing any setup or explanation.
關於此聲音
A short reverbed vocal hum that echoes and fades over ten seconds, used as a meme sound effect for dramatic pauses, transitions and funny edits.
This clip is a single drawn-out vocal sound, spelled online as avuhrm, drenched in heavy reverb so every part of it blooms and trails off into space. It starts as a low, flat hum and stretches for almost eleven seconds, with the echo making it feel much bigger than the original voice. There is no music or speech underneath, just that resonant tone hanging in the air. Played over a normal moment it instantly feels overdramatic, distant and slightly unreal, which is why viewers read it as a joke about something echoing in an empty head or room.