How HDMI Cable Work?

Wired high-definition multimedia interface or HDMI cable transfer of audio and video digital high-definition formats. HDMI cable media such as cable boxes, DVD players, PCs and game consoles, audio / video, such as televisions and AV receivers. HDMI cables are the digital equivalent to analog lines, such as frequency cable S-Video, coaxial, and radio. HDMI cable to convert analog signals into digital signals, improving image quality in high definition television. Essential to the HDMI cables facilitate electronic communication between the high-definition multimedia devices.

Inside an HDMI cable

A typical HDMI cable has 19 pins on the connector from the cable outlet, has any one else. The first nine pins convert analog signals into digital data packets that are transmitted through different data channels. Three pins are collectively are needed to convert and transmit digital data through a channel, ie in the first nine pins in the HDMI cable to provide data for a total of three channels. Pins 10-12 regulate the flow of data through the first nine pins and ensure that data signals are synchronized. The remaining pins are a variety of functions, including the provision of energy in the HDMI cable and ensure a smooth communication between devices on the media.

The digital data encoding

An HDMI cable is a twisted pair cable, which for the functionality of the central transmission of HDMI cable. Before transmitting a signal from a media source (such as a cable box) with a media player (eg television), HDMI cable and converts the coded signal to prevent degradation, as it moves through cable . The source of the media transmits a data signal, either analog or digital format, depending on whether the media source is a high-definition. The HDMI cable is the signal, and transmits one of the wires in the pair is the signal for the media player. The second cable carries a reverse copy (or mirror image) of the signal. The media player receives the original signals and vice versa, and measures the difference between the two. The media player then uses that difference for signal loss that occurred during the transfer balance.

Although there is no maximum length of HDMI cables, wires much potential for signal loss. As a result, most manufacturers of HDMI cables no longer than 16 feet are made. Some cables used in large rooms are much longer, but these cables are usually made from high quality materials and are quite expensive.