DVI AND HDMI TEST/PATTERN GEN HDMIPATTERN. DVI and HDMI Test/Pattern Generator with Audio. 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. HDMIPATTERN features eight built-in groups of video test patterns that allow you to quickly determine color performance- linearity- audio- and HDCP issues. The HDMIPATTERN Test Pattern Generator also offers Extended Display Identification Data (EDID) analysis information- providing an easy way to access the data structure detailing display capabilities. The Converge A/V DVI-D and HDMI pattern generator is the perfect product for any installer / integrator looking to save time and solve problems with HDTV displays.