The latest word in this new technology news in connectivity for any high definition video is the HDMI cable (High Definition Multimedia Interface).It simply took few years for this cable to become the stable video and audio connection for absolutely any High definition system. Every High definition Television which is released now has inputs for the Devices and cable like Blu - ray systems, gaming systems and notebooks have cable output to deliver improved sound and video quality.
You may think using just one cable to handle both sound and video may be considerably simpler but that is not true always. A lot of folks wouldn't want to go through the issue of using a HDMI cable so they would go in for the simpler analog cable.
HDMI for video and sound
It produce the greatest image and audio quality compared to the cables that are present inside the market nowadays. It might work on high definition videos up to 1080p resolution at nearly 60 frames per second which is the highest bandwidth video format available at present. The older analog cables offer same quality but the HD VIDEO don't support them now. As it pertains to sound it generates a good quality too. It carries eight channels in parallel of 24 bit audio level at practically 192 kilohertz. It can handle even the greatest such as TrueHD, Master audio and Dolby. Even analog cables can perform equally but you would have to use eight separate cables to obtain the exact same quality.
Variants of HDMI:
The newer upgrade is the HDMI 1.3 which is presently being used everywhere.
Kinds of HDMI established cables available:
HDMI 1.3 had two groups for the cables
1) Category 1 which has its testing done at 74.5 megahertz and is called the standard cable.
2) Category 2 which has been examined at 340 megahertz and is called as the high speed cable.
1) standard cable with Ethernet
2) High speed cable with Ethernet.
3) Automotive cable.
Things to appear in for whiling purchasing a HDMI based cable:
1) Materials used for constructing the cable. The quality of the shielding, depth of conductor, as well as the grade of insulation will determine the reliability of the cable.
2) Speed rating : When you go in for higher speed rating it higher bandwidth would be supported by it empowering you to experience improved sound and video..
Few other things should be the span of the cable, depth rating and in wall rating.
Finally here's the pro's and con's of using a HDMI cable!
1) It provides higher quality at higher resolutions.
2) It works intelligently by empowering a two way communication between the video and audio sources.
3) It operates as an individual cable that carries all the info.
5) No compression of information happens when the information is transmitted.
7) It supports high quality audio streams like Dolby.
Disadvantages:
1) The period of the cable cannot exceed 35 meters in general.
2) Sometimes delays are triggered due to the authentication processing.
3) The cost of the transmission lines is very high compared to the regular analog transmission lines.