HDTV-2 Multimedia Generator - HDTV RGBHV Composite Component Y/C Reference Unbalanced Audio Tone NTSC Studio Test Generators Black Burst Sync & Pattern Generators The Compuvideo HDTV-2 is a test signal generator featuring multiple formats of video and audio Tone. This device outputs analog video formats including RGBHV. Additional to the standard definition signals this particular model outputs analog HDTV.