scope:

This Standard defines the calculations required to determine minimum image size relative to viewing locations in both new and existing installations whether fixed or temporary.

This Standard applies to the overall system and not the performance or efficiency of any component.

This Standard uses two out of four viewing categories defined in ANSI/INFOCOMM 3M-2011, Projected Image System Contrast Ratio as further described in the Application section below. This Standard should be used in conjunction with related standards for displayed images where applicable.

Purpose

This Standard provides measurement and reporting methodologies for the assessment, documentation, and categorization of new and existing audiovisual systems. The Standard will assist professionals engaged in the design of audiovisual systems determine appropriate displayed image sizes.

The Standard provides a calculation/assessment tool for determining proper display image size based upon viewer needs as defined under two main categories.

When planning a display, audiovisual designers often encounter limitations with dimensions and layout in relation to optimal displayed image size. This Standard provides formulas to design and display suitable content.