Here, for instance, I will use 1920×1080 resolution and take 8 bits as the color depth of my monitor. and the effective data rate each HDMI version can carry, we can determine whether a specific HDMI version can support a 240Hz refresh rate. Such as this very popular calculator So Does HDMI Support 240Hz? You can also use online calculators to determine the data rate. You don’t need to know this in-depth for this article. Vblack is the Vertical blanking Intervalīlanking Interval is the time between the last line scanned of a frame and the first line checked of a frame. Hblank is the Horizontal blanking interval.(H + Hblank) × (V + Vblank) × (C x 3) × F You can use the following equation to calculate the data transfer rate for your desired refresh rate and resolution. So the higher the color bit depth, the higher the data rate your video interface generates. The difference in the image with different color bit depths. Even more robust monitors have a 12-bit color depth. Professional monitors have a 10-bit color depth which can show 1 billion colors. These have the potential to offer 16.7 million colors. Standard monitors have an 8-bit color depth. The color bit depth of a monitor pertains to the number of colors it can show. The higher the resolution, the refresh rate, or the color bit depth, the more data is being carried. Three essential parameters determine the bit rate or the amount of data your display interface generates or carries. However, if the same is transferred over an HDMI 2.0 interface, you will have no issues. In other words, the performance will be affected if you send 12 Gbit/s of data over an HDMI 1.4 interface. Now if the data you transfer (data rate) exceeds the supported amount by the particular HDMI version, the overall performance will be affected by stutters, freezes, or simply lower-than-expected frame rate. If you think of the HDMI version as a pipeline carrying water, adequate bandwidth pertains to the amount of water it can take in a second. The most important parameter here is the Effective bandwidth of the HDMI version. – High-Efficiency Advanced Audio Coding (HE-AAC)Īlso Read: How to Check HDMI Port Version?
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