Chroma 2331 Video Pattern Generators combine the signals of analog (250MHz) and DVI (165MHz) / HDMI V1.1 150 MHz to provide the VESA standard video signal source for LCD Monitor/ multimedia Monitor. It also integrates the TV (NTSC / PAL / SECAM) / SDTV / HDTV signal to fit in the multimedia display applications for the newly risen LCD TV, PDP TV, projector industries. Chroma 2331 supports Analog / DVI / HDMI true color image tests via the saved BMP image files or the external CF storage interface for reading and outputting high resolution images. The presentation of 167,700 colors fully satisfies the requirements for HDTV and multimedia video tests. HDMI (High Definition Multimedia Interface) is the first industry-supported, uncompressed, all-digital audio / video interface. HDMI provides an interface between any audio/video source, such as a set-top box, DVD player, A/V receiver, amplifier and an audio and/or video monitor, such as a digital television (DTV).