HDMI 2.0 unveiled several highlights innovation boost ultra high definition industry development


HDMI 2.0 The advent of several major highlights of innovation to boost the development of ultra high definition industry in our side, whether it is television, computer or mobile phones, HD has become an indispensable component, and high-definition signal transmission between different devices, can not be separated from the support of HDMI. Many years ago, HDMI seemed to remain an unattainable concept, and now it has come into our lives, each with more than 35 devices that support HDMI.

This interface has become an indispensable standard, like USB.

We know that HDMI as a standard, actually there is also a version of the distinction, now used in HDMI devices and interfaces are mostly compliant with HDMI 1.4b standard, the standard was actually enacted in 2009, followed by four years of time. HDMI 1.4b labeling is mature and stable and widely adopted, and even advanced to provide support for 4K, but the development of technology is endless, people's pursuit of high-quality audio-visual is never-ending, as a high-definition transmission standards, HDMI also need to make a forward-looking upgrade. In this context, HDMI 2.0 came out on the IFA in 2013, a new standard that not only delivers a leap in transmission rates, but also provides higher-quality audio output and more feature features. So, what's the update on the HDMI 2.0 standard, which has been grinding a sword for four years? What new experiences can it bring us? Will it lead to a more superior HD experience?

Everyone is asking these questions, and the new specs will give us the best answers. Highlight one: Transmission bandwidth surges support 60 frames 4K Video HDMI 1.4b Although it provides support for 4K Hyper-Def, it is still mainly a full HD customization standard, in 60 frame premise, the maximum can only support 2048 X 1536p video, and for 4K video, can provide 24 frames and 30 frames of frame speed.

This rate obviously can not meet the needs of the future, to this end, HDMI 2.0 specifications will transmit bandwidth to 18Gb, can synchronously transmit 4096 X 2160p resolution 60 frames of video, for UHD, 4K transmission provides sufficient bandwidth support. Highlight two: Audio transmission quality greatly improved from HDMI 1.0 to HDMI 1.4b, the HDMI alliance will focus on improving video performance and features, with no significant improvement in audio, HDMI 1.0 supports 8-channel and 768kHz sampling rates, in HDMI 1.4b, this specification has no change. However, 2.0 as a huge version of the update, not only on the video to do optimization improvements, on the audio level, also has a huge leap. HDMI 2.0 offers up to 32 channels of support, which is no doubt an amazing specification and offers a rich selection of home theater and other professional audiovisual environments.

At the same time, HDMI 2.0 also increases the maximum audio sample rate to 1536kHz, achieving double audio truthful. Highlight three: Double screen support This is a sharp tool to ease family conflicts. This and 3D are two different but quite similar techniques.

The same screen double screen, as the name suggests, is on the same screen, showing two different images, and two of users wearing different glasses, can see their respective screen, non-interference, using this technology, a television can allow many people to watch different programs at the same time, family TV disputes will no longer exist. Highlight four: The enhanced CEC expansion was launched at the beginning of the HDMI specification and the HDMI Alliance provided support for CEC. CEC full name is consumer electronics control, that is, consumer electronic controls, it can allow a variety of consumer electronics, through the wired or wireless way to control the playback of audio and video, so that the operation more convenient.

In the HDMI 2.0 specification, the CEC extension support is provided for CEC 2.0 to extend command and control, enabling one-touch unicast, Standby mode, remote control, System audio control, one-click Recording, and so on.

Highlight five: Provide 21:9 screen ratio support today's consumer electronics, based on a 16:9 screen ratio, however, in a broader perspective and screen cost considerations, some 21:9 of the device is emerging, the new HDMI 2.0 specification also provides support for this display ratio. Highlights six: Automatic audio and video synchronization in HD, the screen and audio is not a big probability event, but it does exist, we often need to manually rectify, let them achieve synchronization, and in the use of HDMI 2.0 specifications, this operation can be ignored. HDMI provides support for voice-painting synchronization, which enables synchronization of video and audio streams without user action (article information comes from the Internet).