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Advantages of using HDMI

Source: Nine of view: jooview Published: 2014-09-25 14:27 Read: ( )

HDMI multimedia audio and video interfaces are currently used in a very wide range, such as notebooks, televisions, video recorders, camcorders, set-top boxes, XBOX and other devices with HDMI interfaces. Of course, the advantages of the HDMI interface are also very obvious. The following nine-view editor will briefly introduce it.

The latest version of HDMI is the HDMI 1.4 version. This version can transmit 3D and 4K ultra-high-resolution audio and video. However, most of the current HDMI still adopts the HDMI 1.3 version standard. HDMI supports a data transmission rate of 5Gbps, which can transmit up to 20 meters. Under normal circumstances, it can transmit 15 meters, which is sufficient for a 1080p video and an 8-channel Audio signal. And because a 1080p video and an 8-channel audio signal require less than 4GB / s, there is still a lot of room for HDMI. This allows it to connect the DVD player, receiver and PRR separately with a single cable. In addition, HDMI supports EDID and DDC2B, so HDMI-equipped devices have the feature of "plug and play". The signal source and display device will automatically "negotiate" and automatically select the most suitable video / audio format.

Advantages of using HDMI products: 100% digital; no compression, no conversion required; pure digital images and sound (visible and audible) directly from the source; video and audio signals remain digital from the output device to the display device; best quality Audio and video; bandwidth provided for HDTV; support 1080p and higher resolution; support 3D function; support sound return function; support multiple HD device connections; more than twice the 1080i bandwidth; provide YUV color space support; only One cable; includes all HD video and audio in one cable; replaces up to 8 audio and 5 video cables; reduces wiring complexity; auto-format smart *; TV and AV receivers can be adjusted without consumer intervention The video source receives the video format supported by the display device and outputs the ideal audio and video formats; the display device receives the video format and image aspect ratio from the source as-is; consumer electronics control *; complete control of the entire home theater from a single remote control ; Implement advanced functions such as "one-click play".

The benefits of using HDMI are: only one HDMI cable is needed to transmit audio and video signals at the same time, unlike multiple cables now required to connect; at the same time, due to wireless digital / analog or analog / digital conversion, higher audio can be achieved And video transmission quality. For consumers, HDMI technology not only provides clear picture quality, but also uses the same cable for audio / video, greatly simplifying the installation of home theater systems. At present, HDMI 1.4 has been released, with new features, including HDMI Ethernet channel, audio return channel, HDMI 3D function, 4K x 2K video support, more color space, micro HDMI connector, automotive connection system.

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