In December 2002, seven companies formally launched the HDMI 1.0 specification.
In May 2004, the HDMI 1.1 specification was released.
In August 2005, the HDMI version 1.2 was introduced. In order to be more compatible with PC systems, the 1.2 version adds several important improvements to facilitate the transfer of PC connections and digital audio streams.
In December 2005, the HDMI 1.2a standard was introduced to add CEC functionality and test specifications were perfected. The CEC feature can control all home entertainment devices through a single remote control.
On May 22, 2006, seven companies that developed the HDMI standard announced HDMI 1.3. The new standard increased bandwidth and speed by more than two times, reaching 340MHz bandwidth and 10.2Gbps speed to meet the latest 1440P/WAXGA. Resolution requirements.
The traditional AV composite and color difference interfaces need separate audio and video data lines to transmit signals. The DVI interface with digital interfaces does not support audio transmission. Currently, only HDMI has the ability to transmit audio and video signals simultaneously on a data line. Ability, so people are also accustomed to HDMI called HD Live.
The typical distribution box is equipped with a solid case that is capable of protecting the interior components from various adverse conditions, such as excessive exposure to heat or cold. The wiring and other parts that are contained in the box are usually mounted within the interior, helping to lessen the potential for the components to be damaged during any type of shifting that would otherwise create some type of abrasive action on wire coverings and other elements.
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