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.
The military doesnât have Hummers. They have High Mobility Multipurpose Wheeled Vehicles with the acronym HMMWV, commonly pronounced âHumvee.â Hummer is a civilian, luxury knockoff of the HMMWV. Anyone who has seen the inside of a HMMWV knows that it is not a âluxury vehicle.â.