This HDMI - DVI cable allows interconnection between digital display devices, such as HDTVs and projectors, to digital source devices, such as Set-Top boxes, DVD/DVD-R players and AV receivers. HDMI DTVs will display video received from existing DVI-equipped products, and DVI-equipped TVs will display video from HDMI sources. The DVI-HDMI adapter does not support audio and supports digital video only.