Doc.: IEEE 802.11-13/0865r2 Submission July 2013 Huai-Rong Shao, et al. (Samsung)Slide 1 Video Data Rate for HEW Date: 2013-07-18 Authors: NameAffiliationsAddressPhoneemail.

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doc.: IEEE /0865r2 Submission July 2013 Huai-Rong Shao, et al. (Samsung)Slide 1 Video Data Rate for HEW Date: Authors: NameAffiliationsAddressPhone Huai-Rong ShaoSamsung 75 West Plumeria Dr., San Jose, CA 95134, USA Chiu NgoSamsung 75 West Plumeria Dr., San Jose, CA 95134, USA Sehee Han Samsung 416, Maetan-3 Dong, Yeongtong-gu, Suwon-city, Gyeonggi-do, South Korea SangHyun Chang Samsung 416, Maetan-3 Dong, Yeongtong-gu, Suwon-city, Gyeonggi-do, South Korea Hyunjeong Kang Samsung 416, Maetan-3 Dong, Yeongtong-gu, Suwon-city, Gyeonggi-do, South Korea David Xun Yang Huawei F1-17, Bantian, Longgang District, Shenzhen , P.R.China Chaochun Wang MediaTek 2860 Junction Ave, San Jose, CA 95134, USA

doc.: IEEE /0865r2 Submission Motivation This presentation explains –How to calculate the data rate of uncompressed video –How to estimate the data rate of compressed video July 2013 Huai-Rong Shao, et al. (Samsung)Slide 2

doc.: IEEE /0865r2 Submission Data Rate of Uncompressed Video (Uncompressed video data rate) = (Video frame Width)*(Video frame Height)*(Bits per pixel)*(Video frames per second) (Bits per pixel) depends on the (Bit depth per each color element) and video format (4:4:4, 4:2:2 or 4:2:0) July 2013 Huai-Rong Shao, et al. (Samsung)Slide 3 Color depth per each element Bits per pixel for 4:4:4 format Bits per pixel for 4:2:2 format Bits per pixel for 4:2:0 format Note: Traditionally commercial video uses 4:2:0 format, but now 4:4:4 and 4:2:2 video formats are mandated by video interface standards

doc.: IEEE /0865r2 Submission Data Rate of Uncompressed Video Data rate examples July 2013 Huai-Rong Shao, et al. (Samsung)Slide 4 Video nameWidthHeight Bits per pixel frame rate (Hz) Video data rate (Gbps) 1080p or Full HD UHD 4K video UHD 8K video Note: Huawei’s contribution r2 has a similar table on 4k and 8k video

doc.: IEEE /0865r2 Submission5 Data rate of compressed video depends on the compression ratio Two major video application areas –Pre-stored video such as TV broadcasting and Blue-ray movies High compression ratio: can go up to several hundreds (MPEG, H.264 and now HEVC) Long latency: Both intra-frame and inter-frame video processing, also multi-frame reference schemes –Real-time video such as 60GHz display extension Low compression ratio: usually at the order of 10 Low-latency: Mainly intra-frame video processing Data Rate of Compressed Video Huai-Rong Shao, et.al. (Samsung Electronics) July 2013 Note: currently a lot of Internet video applications like youtube usually use videos with low resolution and low rate

doc.: IEEE /0865r2 Submission Thank you! January 2013 Huai-Rong Shao, et.al. (Samsung)Slide 6

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