What is the definition of Personnel Sounds?

"Personnel sounds" is a colloquial term that refers to the collective vocal impressions, mannerisms, and personality traits of a group of people. It's like saying the 'vibe' of a room, but instead of just a room, it's the entire ensemble of folks in it, speaking, laughing, and possibly arguing over who gets to be the 'choreographer' of their collective dialogue.

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Here's a grittier example: "The personnel sounds of the corporate office were so unapologetically toxic, they could've been the soundtrack to a bad sitcom... except the sitcom was a real-life office drama."