HDMI and DVI are standards used to transmit digital signals between a source like your set top box and your TV. High Definition Multimedia Interface (HDMI), is exactly like USB, and is an A/V connector interface used to transmit uncompressed, encrypted digital streams. It is believed that HDMI has been derived from DVI. The bandwidth ranges from 5Gbps to 10Gbps. HDMI has the feature that it needs a single cable for both video and audio which makes the cabling less bulky whereas dvi switch need discrete cable to carry audio. The length of HDMI cables can go up to 15m length, which in turn gives the tractability to plan HDMI over Cat5 extender is also best in use these days .
The best use of is that it supports automatic screen format conversion. It helps to convert a picture into its most appropriate format. The pictures produced in HDMI are sharper and smoother. The main difference lies in the DVI and HDMI is however that HDMI gives a better audio output as well.
The biggest advantage for consumers is that HDMI cables allow to pass both the digital video and audio signals. This in turn means that this cable can be used to connect two devices together, which not only helps in simplifying the process to install new equipment but saves the times.
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