《国家地理频道 科学新发现 神秘的烟火世界》(National Geographic Naked Science Secret World of Fireworks)[720P]

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[国家地理频道.科学新发现.神秘的烟火世界].National.Geographic.Naked.Science.Secret.World.of.Fireworks.x264.720p.AC3.mkv	1.09 GB
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本片带领观众走进烟火技术中的神秘配方和神秘技巧。(文：life_is_good@YDY)
Secret World of Fireworks explores the closely held secrets, recipes, and techniques from the world of pyrotechnic showmen. National Geographic takes a behind the scenes look into this exclusive world with unique access from Zambelli Internationale of New Castle, Pennsylvania - Americas First Family of Fireworks - along with rocket scientists and chemists from Los Alamos, New Mexico.
代码File size 1.09 GiB
Duration 46mn 56s
Overall bit rate 3,330 Kbps
Video Video Format AVC
Video Format profile High@L4.1
Video Format settings, CABAC Yes
Video Format settings, ReFrames 5 frames
Video Muxing mode Container profile=Unknown@4.1
Video Codec ID V_MPEG4/ISO/AVC
Video Duration 46 mins
Video Bit rate 2,880 Kbps
Video Nominal bit rate 2,947 Kbps
Video Width 1,280 pixels
Video Height 720 pixels
Video Display aspect ratio 16 9
Video Frame rate 25.000 fps
Video Resolution 8 bits
Video Colorimetry 4 2 0
Video Scan type Progressive
Video Bits/ Pixel*Frame 0.125
Video Stream size 967 MiB 86%
Video Writing library x264 core 96 r1613 81e75e9
Audio Format AC-3
Audio Codec ID A_AC3
Audio Duration 46 mins
Audio Bit rate mode Constant
Audio Bit rate 384 Kbps
Audio Channel s 6 channels
Audio Channel positions Front L C R, Side L R, LFE
Audio Sampling rate 48.0 KHz
Audio Stream size 129 MiB 12%
Audio Language English
Encoded by OneDDL