Projection

Should the DCI/SMPTE 431 digital cinema standards be updated for RGB LASER projectors? Higher contrast ratio The SMPTE RP 431-2:2011 digital cinema standard document describes the reference projector viewing environments used in DCI digital cinemas. –SMPTE 431 Review room 14 fL, 100:1 Intra frame contrast, 1500:1 Sequential contrast –SMPTE 431 Cinema Theatre 14 fL, 100:1 Intra […]

Projecting video can look good in a cinema if it is done correctly. Here are some tips on video projection: -Use a good video processor. -Use the best audio/video connections. -Use a cinema technician to calibrate the digital cinema projector. -2.4 is the recommended gamma for HDTV monitors in a dim environment Link:ITU-R BT-1886. 2.2

DCI/SMPTE 431 compliant cinemas The best cinemas comply with the current DCI Specifications and SMPTE 431 standards. The first versions of the DCI specifications described all aspects of digital cinema projection like the minimum contrast ratio and the white illumination target. The latest version says that cinemas must follow the projector environment described in these two SMPTE 431