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What is an HDMI cable


The HDMI cable, short for High-Definition Multimedia Interface cable, is capable of transmitting uncompressed high-definition video and multi-channel audio data in high quality at data transfer speeds of up to 5Gbps. At the same time, there is no need for digital/analog or analog/digital conversion before signal transmission, which can ensure the highest quality of audio and video signal transmission.

HDMI cables support 5Gbps data transmission rates up to 30 meters and are strong enough to handle 1080p video and 8-channel audio signals. And since 1080p video and 8-channel audio signals require speeds below 4GB/s, HDMI cables have a lot of leeway. This allows it to connect the DVD player, receiver, and PRR with a single cable. In addition, HDMI supports EDID and DDC2B, so devices with HDMI have a "plug and play" feature where the signal source and display device automatically "negotiate" to automatically select the most appropriate video/audio format.

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