The HDMI technology update fast. The newest version now is HDMI Cable 2.0. The HDMI Forum unveiled the next version of its HDMI standard at the IFA trade show in Berlin. HDMI 2.0, as it is called, will bring people 4K video at higher frame rates than previously possible.
HDMI 2.0, which is backwards compatible with earlier versions of the HDMI specifications, significantly increases bandwidth up to 18Gbps and adds key enhancements to support continuing market requirements for enhancing the consumer video and audio experience.
It is said that HDMI 2.0 can bring many benefits for users.
The first and foremost, HDMI 2.0 is born to 4K. Existing HDMI 1.4 technology can only send video signals to your TV at up to 10 gigabits per second. HDMI 2.0 ups that to 20 gigabits, which makes it possible to show 2160p 4k video with frame rates of up to 60 frames per second, whereas the existing HDMI 1.4 could only transmit 4k with up to 30 frames per second.
Second, HDMI 2.0 can make your sound performance perfect. HDMI 2.0 also supports up to 1536kHz audio sample frequency, which sounds equally ridiculous, but more importantly, it adds the capability to better sync audio to what’s happening on your TV.
Third, HDMI 2.0 is backwards-compatible with previous version, which means that you can use it for all HDTVs with old HDMI version. And also, with HDMI 2.0, things like remote control pass-through, system audio control and standby have to be implemented as part of CEC, which means fewer remote controls to get more stuff done.
However, Some people argue that there is no need to buy an HDMI 2.0 cable for now. Version 2.0 (like 1.4 before it) is entirely a hardware change. It is not a cable change. You can expect cable manufacturers to proclaim that you need expensive new “Version 2.0 cables” but this is untrue. Your current High Speed cables should work just fine. So in few years, if you buy a 4K OLED TV, and want to send it 2160/60p from your 4K Blu-ray player, then yes, you’ll need to upgrade your receiver to one that can pass HDMI 2.0.
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