CEDIA Expo 2021: GDC Technology Shows Espedeo Supra, Ultra-Quiet DCI-Compliant Cinema Projector September 2, 2021 | Home / September 2, 2021 rave-video / CEDIA Expo 2021: GDC Technology Shows Espedeo Supra, Ultra-Quiet DCI-Compliant Cinema Projector CEDIA Expo 2021: GDC Technology Shows Espedeo Supra, Ultra-Quiet DCI-Compliant Cinema Projector