Berlin / Hamburg Information on HDMI versions 2.0 or 2.1, as found on televisions, monitors, input and playback devices, is irrelevant in the context of stripping, according to the information.
Only these three classes are important for HDMI cables, which guarantee that an error-free image and sound transmission is possible over the offered cable length:
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HDMI High Speed
: Safely transmits 10 Gigabits per second (GBit/s). According to the experts, this bandwidth is already scarce for images with 4K resolution at 60 Hertz (Hz) refresh rate, but it could work.
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HDMI Premium
: This class guarantees 18 Gbit/s, i.e. enough bandwidth for 4K images at 60 Hertz and increased color depth (HDR).
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HDMI Ultra High Speed
: This is how HDMI cables are marked, which guarantee a throughput of 48 Gbit/s. According to the data, this bandwidth is also sufficient for 4K at 120 Hertz and even for 8K images.
If the transmission still does not work or does not work correctly, the experts advise to exchange the relevant HDMI cable for another brand.
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If longer distances have to be overcome than the longest standardized HDMI cable allows for the respective purpose, you can divide the distance into two suitable HDMI cables of the same length and a small HDMI Repeater, also HDMI Extender called, interpose. This amplifies the signal in such a way that at least 20 meters should be bridged for 4K images.
