Recently, HDMI Forum Inc. officially announced the HDMI 2.0b interface standard, which is compatible with all previous HDMI specifications.

HDMI 2.0b specifications are as follows:

1. Support HDR

2. Bandwidth: 18Gbps

3. Maximum resolution 4K@50 /60

4. Up to 32 audio channels for an immersive multi-dimensional audio experience

5. Up to 1536kHz audio sampling rate, providing the highest audio fidelity

6. Synchronous transmission of dual video streams enables different users to watch different videos on the same screen

7. Synchronous transmission of multiple audio streams to multiple users (up to 4)

8. Provide a new experience of wide angle cinema with 21:9 aspect ratio

9. Dynamic automatic sound picture synchronization

10. CEC extension provides more extended control commands for a single remote controller to control multiple consumer electronics products

Previously, the bandwidth of HDMI 2.0a was only 10.4 Gbps, while 2.0b was 18 Gbps.

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