The reference compound audio object of VSS 1.5 is configured for four independent input sources and seven output speakers.
- Front Left
- Front Right
- Center
- Height Left
- Height Right
- Headrest Left
- Headrest Right
The Height speakers support the playback from directions of +-90°. The Headrest speakers are used for playback of the virtual Rear speakers. The Fronts, Heights, and virtual Rears are used for playback of the directional cues and in addition to virtual Rear playback, the Headrest is also used for non-directional main playback.
