Signed 32 bit PCM describes the uncompressed audio format of the sample rather than a character or story behind it, which is why this clip circulates as a utility effect instead of a quote. Short laser zaps like this became a staple of arcade shooters, cartoons and homemade videos because the descending pew is understood instantly, even without visuals. Online, creators share the sound on its own so it can be dropped into games, edits and streams, where its clean, dry quality mixes easily without clashing with music or speech underneath.