A people voice is the voice that someone uses when talking to people who aren't their [friends]. This voice is automatically [happy], nicer and sweeter than their normal voice. It is also often more high pitched. This is often the [voice] people use when answering a telephone or when working in [retail]. Similiar to the [girlfriend voice].
> She so used her people voice when she was talking to that customer over there. Did you hear how sweet she was? She never sounds like that normally!