Title:Projected Image System Contrast Ratio
 Document Number:AVIXA V201.01:2018
 Type of Standard:Performance
 Description:As previously published, this Standard defined projected image system contrast ratio and its measurement. It applied to both permanently installed systems and live events, and to front and rear projection. This Standard defined four contrast ratios based on content viewing requirements. System contrast ratio refers to the image as it is presented to viewers in a space with ambient light. Practical metrics to measure and validate the defined contrast ratios are provided. For the purposes of this Standard, a “system” is to be revised to include illuminance and luminance based imaging systems and is to include all environmental and system based components that effect the final image contrast.
 Publication Date:2018
 Purchase:$75 - Free for Premium and Elite Members
 Keywords:Analytical decision making; audiovisual; audiovisual standard; AV; AV system performance; basic decision making; contrast; contrast ratio; detail; digital signage; front projection; full motion video; image contrast; image quality; InfoComm; information; informational display; inspection; passive viewing; presentation; projected image; projector; projection; projection screen; rear projection; system contrast ratio; videoconferencing
 Development Notes: https://docdev.avixa.org/higherlogic/ws/projects/25
 Task Group Members:Justin Watts, CTS, AVI Systems (Moderator)
 Steve Cook, Draper, Inc.
 James Fife, CTS, RP Visual Solutions
 Joseph Gombos, CTS-D, JBA Consulting Engineers
 Andrew Griffin, CTS-D, CTS-I, Onepath Systems, LLC
 Greg Jeffreys, Visual Displays Ltd
 Bruce Manning, CTS-D, JB&B
 Malcolm Savage, Technology Engineers
 Rhen Taylor, CTS, Milestone AV Technologies
 Jeff Waldvogel, Acoustics by Design


AVIXA's consensus standards development process is accredited by ANSI, a private, non-profit organization that administers and coordinates the U.S. voluntary standardization and conformity assessment systems. ANSI is the sole U.S. representative of the two major non-treaty international standards organizations, the International Organization for Standardization (ISO), and, via the U.S. National Committee (USNC), the International Electrotechnical Commission (IEC). Accreditation by ANSI signifies that the procedures used by AVIXA in connection with the development of American National Standards meet the Institute's essential requirements for openness, balance, consensus, right to appeal, and due process.


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