What is HDMI? High Definition Multimedia Interface (English: High Definition Multimedia Interface, HDMI) is a digital video / audio interface technology. It is a dedicated digital interface suitable for image transmission. It can transmit both audio and video signals. The maximum data transmission speed is 5Gbps. . At the same time, there is no need to perform digital / analog or analog / digital conversion before signal transmission. HDMI can be used with Broadband Digital Content Protection (HDCP) to prevent unauthorized copying of copyrighted audiovisual content. The extra space provided by HDMI can be used for future audio and video format upgrades. Moreover, because 1080p video and 8-channel audio signals require less than 4Gbps, HDMI still has a lot of room. In this way, it can connect the DVD player, receiver and PRR respectively through a cable.
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