What is HDMI?(1)

HDMI, the English name is High Definition Multimedia Interface, the Chinese name high-definition multimedia interface is the acronym. April 2002, Hitachi, Panasonic, Philips, Sony, Thomson, Toshiba and Silicon Image seven companies formed HDMI organizations. HDMI can transmit high-quality uncompressed high-definition video and multi-channel audio data, the maximum data transmission speed of 5 Gbps. At the same time without sending the signal before the D / A or A / D converter and can ensure the highest quality audio and video signal transmission.

HDMI is not only the highest quality to meet the current 1080 P resolution, but also support for DVD Audio, and so on-the-art digital audio formats, support 8-channel 96 kHz or 192 kHz digital stereo audio transmission, but only one HDMI cable, digital audio cable from . At the same time HDMI standards with the additional space can be applied in the future escalation of audio and video formats. Sufficient to meet a 1080 p video and an 8-channel audio signals. And because of a 1080 p video and an 8-channel audio signal demand is less than 4 GB / s, so there is still great cushion HDMI. This allows it to use a cable connected DVD players, receivers and PRR. In addition to support HDMI EDID, DDC2B, therefore the equipment has HDMI with "plug and play" features, the signal source and display devices will automatically carry out "consultations" and automatically select the most suitable video / audio formats.

DVI and HDMI interface compared to the size of a small, but can also transmit audio and video signals. DVI cable length can not be more than eight meters, it will affect picture quality, and the furthest HDMI can transmit 15 meters. As long as an HDMI cable, you can replace up to 13 analog transmission lines, could effectively solve the home entertainment system tangled mess behind connection problems.

Benefits:
HDMI interface specifications in maintaining high-quality digital circumstances able to transfer in the form of uncompressed high-definition video and multi-channel audio data. Its superior performance exceeded the previous all products.
HDMI connector specifications adopted a single connection, replacing the products behind the complexity of the cable.
HDMI interface specifications by the length of cable without the restrictions. For example: DVI cable length can not be more than eight meters, it will affect picture quality and specifications of products with HDMI is not the problem.
HDMI specification works with broadband Digital Content Protection (HDCP), to prevent copyright video and audio content with unauthorized copying.

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