A new generation of video compression standard "HEVC": the core technology in the mobile era

"Tablet computers have now become 'smart' portable TVs. No matter how large the screen size is, devices that can provide users with video content can be called TVs."

Sending HEVC video using LTE transmission band

The photo is a demonstration of the decoding technology of HEVC software developed by NTT DoCoMo. The 4K video that was supposed to be compressed at an encoding speed of 10 Mbit / sec using the LTE transmission band was played.

William Wang, CEO of VIZIO, a large American TV manufacturer, said. He pointed out that for consumers, the definition of "TV" is undergoing tremendous changes. The price of flat-screen TVs is declining rapidly. The "TV receiver", which has long been the center of home video equipment, will give up its "protagonist" status to mobile terminals such as tablets and smartphones.

At present, the network service industry refers to the development of mobile rather than personal computers as "Mobile First". Mobile-first initiatives also involve the development of video technology that takes TV as the apex. The representative video compression technology is "HEVC".

Core technology supporting the next 10 years

HEVC is the abbreviation of "High Efficiency Video Coding" and is the next generation international standard technology of the current mainstream video compression technology "H.264 / MEPG-4 AVC". In January 2013, "H.265" was established as the standard name of ITU (International Telecommunication Union). In ISO (International Standardization Organization) and IEC (International Electrotechnical Commission) it is called "ISO / IEC 23008-2".

Leading the formulation of the HEVC specification is the joint team of the international standardization group "MPEG (Moving Picture Experts Group)" and "VCEG (Video Coding Experts Group)" of the video compression technology. Since the standardization of "MPEG-2" in the mid-1990s, new standards for video compression technology have been unveiled at a rate of 10 years. 2013 coincided with H.264 standardization for about 10 years. In this sense, it can be said that HEVC is the core technology supporting image-related products and image services in the next 10 years.

Started to propose a hardware encoder solution

The photo is a HEVC hardware encoder trial-produced by NTT. Use FPGA to achieve.

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