The Converge A/V DVI Digital and HDMI Test Pattern Generator allows you to test DVI Digital and HDMI displays quickly, easily troubleshooting any calibration issues. It features eight built-in groups of video test patterns that allow you to quickly determine color performance, linearity, audio, and HDCP issues. The Test Pattern Generator also offers Extended Display Identification Data (EDID) analysis information, providing an easy way to access the data structure detailing display capabilities.