![]() ![]() ![]() The jump from Full HD to 4K was as important with respect to image quality as that from PAL or NTSC to HD resolutions, of course four times more pixels require four times more information to transmit. The interface had an improved version in the form of 1.4b, which increased the bandwidth to 10.2 Gbits per second, allowing higher resolutions. Which allowed it to even reach 2160 or 4K resolutions under certain conditions. The big news was DSC compression technology, which is based on the HDMI output interface compressing the RGB information of each pixel. Both were impossible on televisions at the time, but which were clearly within the needs of PC monitors. This allowed it to go up to a resolution of 2560 x 1440 pixels at a rate of 144 Hz. The first major change in the first major evolution of HDMI? An increase in bandwidth that went from 3.96 Gbits per second transfer speed to 8.96 Gbits per second. From that moment until today, both would share a good part of the technologies and it became necessary to adopt higher resolutions and frequency rates. In the middle of 2006, HDMI had not yet been adopted on a large scale in the field of consumer electronics, but the adoption of LCD screens had finally unified two worlds that had been separated for decades, that of PC monitors and computers. Which allows you to control the volume and certain image options from the same control knob. Of this there was an improved version that was 1.2a and that added the so-called CEC or Electronic Consumer Control. The HDMI 1.2 version expanded the audio capacity up to 8 channels.Version 1.1 of the HDMI standard added support for DVD Audio, allowing sound to be transmitted to players from the interface and not having to rely on red and white composite or component video cables.The evolution from HDMI 1.0 to 1.2 was as follows: And what is it that produced it? Well, the appearance of the Blu-Ray that was accompanied by the third generation SONY console that required an HDMI interface to be able to transmit data through the HDCP. The first revisions of HDMI were not widely adopted by the market, after all, Full HD panels did not yet exist and other video interfaces gave enough bandwidth to be able to reproduce at 720p and 60 Hz, hence why its adoption was much later. ![]()
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