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Standards, process, requirements 4K PLAYBACK EXPLAINED.

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Presentation on theme: "Standards, process, requirements 4K PLAYBACK EXPLAINED."— Presentation transcript:

1 Standards, process, requirements 4K PLAYBACK EXPLAINED

2 COMPRESSION STANDARDS The evolution of compression technology  JPEG  MPEG-2  MPEG-4, H.264, AVC (Advanced Video Coding)  H.265, HEVC (High-efficiency Video Coding)

3 4K PLAYBACK – STANDARDS Optimal playback of native 4K content on a 4K UHD display New 4K Standards  H.265/HEVC video compression: enables delivery of high- quality 4K content at a manageable file size and data rate  HDMI 2.0: only the new HDMI 2.0 output can support 60 fps playback

4 4K PLAYBACK – ENCODING Process to deliver native 4K 60fps Video Encoding  The native 4K (3840x2160) video file should be encoded to the new compression format H.265 in order to playback at 60 fps  H.265 HEVC (high efficiency video codec) enables delivery of high-quality 4K content at about the same file size and data rate as HD content at H.264

5 H.265/HEVC – THE NEW STANDARD The importance of proper video compression Smaller File  Advanced compression efficiencies from larger block sizes  Up to 50% efficiency gain in coding translates to lower bitrates Better Picture Quality  Increased intra prediction modes and higher encoding computation allows for soft blur effect rather than macro-blocking

6 4K PLAYBACK – VIDEO FILE Process to deliver native 4K 60fps 4K Video File  Resolution: H.265 encoded 4K (3840x2160) video file  Frame rate: playback at 60 fps

7 4K PLAYBACK – DECODE Process to deliver native 4K 60fps Decoding  Player must be able to decode an H.265 4K (3840x2160) encoded file  Player must be able to decode at a data rates of 60 fps

8 4K PLAYBACK – OUTPUT Process to deliver native 4K 60fps Output to 4K Display  Player must have HDMI 2.0 output to enable playback at a frame rate of 60 fps  HDMI 1.4a only supports 30 fps


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