Hot on the heels of spotting at least a few HDMI v1.4 compatible devices from Onkyo, HDMI Licensing – the group responsible for the A/V connectivity standard – have officially announced HDMI Specification Version 1.4a. Most notably, the new standard adds in extra support for 3D content, including a number of mandatory formats that devices must support for video and gaming, together with the new inclusion of the Top-and-Bottom 3D format.
The mandatory formats include a standard 1080p @ 23.98/24Hz mode for video content and a 720p @ 50 or 59.94/60Hz mode for gaming. As for Top-and-Bottom 3D, that system now joins Side-by-Side Horizontal 3D as the two main 3D formats HDMI supports. HDMI Licensing had previously deferred picking 3D standards when settling the HDMI v1.4 feature list because of uncertainty in the market.
The mandatory formats include a standard 1080p @ 23.98/24Hz mode for video content and a 720p @ 50 or 59.94/60Hz mode for gaming. As for Top-and-Bottom 3D, that system now joins Side-by-Side Horizontal 3D as the two main 3D formats HDMI supports. HDMI Licensing had previously deferred picking 3D standards when settling the HDMI v1.4 feature list because of uncertainty in the market.
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