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| Standard Definition |
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HD 16:9 Individual Charts |
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HDTV Engineers Chart |
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Introduced in 1989, the ACCU-CHART High Definition test chart is used to make a variety of performance measurements on cameras and other components in both standard current broadcast systems such as NTSC, PAL and SECAM as well as the latest HDTV systems. The chart contains test objects to facilitate the quantitative and qualitative measurement of the following system properties: Registration, Grey Level Response, Frequency Response, Linearity, Resolution, Color Rendition, Focus and Shading. Although the dimensions of the active area of the chart are 16" by 9" (conforming to the 16:9 aspect ratio), our chart can still be used for standard 4:3 aspect ratio systems by imaging the central portion of the chart. This facilitates the measurement of Registration, Grey Level Response and Frequency Response in a 4:3 environment. |
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HD Back Focus |
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HDBF - High Definition Back Focus Chart
Combination 16:9 / 4:3 ratio
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HD Color Reference |
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High Definition Color Reference Chart
Combination 16:9/4:3 ratio
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HD Grey Scale (11 Step Gamma Comp) |
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High Definition Grey Scale(11 step Gamma Compensated) Chart
Combination 16:9/4:3 ratio |
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HD Universal (Combines CR/GS/BF) |
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High Definition Universal Chart (combines BF/CR/GS)
Combination 16:9/4:3 ratio |
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