Question about Dell Inspiron 580 Desktop Computer (Intel CORE I3 530 640GB4GB) (DDCWYB6)
I am looking to purchase a new Dell computer. In comparing desktop with a slim design I see the full size has a rear port HDMI connector and the slim does not have one. What is HDMI and do I need this? Bert
HDMI is digital and uncompressed signal while the above mentioned
interfaces are analog. A digital source is translated into less precise
analog signal in an analog interface. After that signal is sent to the
television and then converted back into digital signal to display on
screen. Due to this, some distortion of picture quality is caused at
each translation. HDMI removes the analog conversion and preserves
original signal and delivers richest, sharpest picture.
Separate audio signals are required by other video interfaces. Due
to large amount of bandwidth available in HDMI, it not only transmits
video but audio channels up to eight digital audio channels can also be
transmitted through HDMI. The entire process becomes simple because a
number of wires are replaced by a single wire. It also delivers much
The HDMI “Type B” have 29 wires while standard HDMI or “Type A” has 19 wires. Motion picture industry and other professional applications use “Type B” HDMI wires. HDMI enabled components talk to each other via an interface that is why it is also called Intelligent HDMI. All-in-one functionality of remote and other interoperable features are provided by HDMI but not by other technologies.
High-Definition and enhanced video and other standard formats are supported by HDMI. Backward compatibility with DVI (Digital Video Interface) is also supported. DVI/HDMI cable can be used to connect HDMI interface in high-end graphic cards that have DVI port. DVI/HDMI cable has HDMI connector at one end and DVI connector at the other. Another point to note is that degradation of signal can occur if the length of the HDMI cable exceeds 5 meters (15 feet).
At least one HDMI interface was provided in many high-end televisions since 2005. Two HDMI interfaces provides more flexibility and three might be better in cases where one wants to connect a game console. As the TV industry installs HDMI interfaces into more peripheral components, multiple interfaces will become common on TVs.
It is good to have it.
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Posted on Jul 16, 2010
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Posted on Jan 02, 2017
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