CEA-861 signals carried by HDMI are electrically compatible with the CEA-861 signals used by the digital visual interface (DVI). No signal conversion is necessary, nor is there a loss of video quality when a DVI-to-HDMI adapter is used.
The Hum is a generic name for a common class of phenomena consisting of a persistent, invasive low-frequency sound from an unknown source. In addition, the phenomena is only audible to certain people, existing at the far low end of the audio spectrum, with a peak power spectral density between about 10 and 60 Hz.
humping (plural humpings) 1  A hump or mound. Isabella L. Bird The foreign ladies, in their simple, tasteful, fresh attire, innocent of the humpings and bunchings, the monstrosities and deformities of ultra-fashionable bad taste, beamed with cheerfulness, friendliness, and kindliness. ( 2 vulgar, slang) Sexual intercourse.