Constant winapi::shared::ksmedia::KSAUDIO_SPEAKER_7POINT1_SURROUND

pub const KSAUDIO_SPEAKER_7POINT1_SURROUND: DWORD = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT
    | SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT
    | SPEAKER_SIDE_LEFT | SPEAKER_SIDE_RIGHT; // 1_599u32