Sennheiser is demonstrating their new Ambeo 3D 9.1 audio system at this weekend's High End Munich audio show.
Their announcement:
http://fi-fi.sennheiser.com/news-sennheiser-shapes-the-future-of-audio-at-high-end-2016
http://www.whathifi.com/news/sennheiser-ambeo-3d-audio-in-91-channels
Their announcement:
"Sennheiser will also present an opportunity to experience its new AMBEO 3D audio technology firsthand in the Sound Experience Room, where it will be possible to listen to original 9.1 recordings and remixes of legacy music in the 9.1 format. To make this experience truly personal, visitors are also invited to bring their own stereo sound material on CD or on an iPhone featuring a Lightning connector. The sound material will be upmixed via Sennheiser’s proprietary upmix algorithm and replayed in stunning 9.1 sound quality."
http://fi-fi.sennheiser.com/news-sennheiser-shapes-the-future-of-audio-at-high-end-2016
http://www.whathifi.com/news/sennheiser-ambeo-3d-audio-in-91-channels