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NIST Website: WTC 7 Smoking, Collapsing, and Dust Plume (Unknown, CNN)

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Published on Mar 25, 2014

13:14 - Collapse of WTC Building 7. First collapse part is missing or has been missed by the camera operator.

Unknown videographer, CNN.

Northwest view. Street level.
Intersection of West and Harrison Streets.


Source of excerpt:

Disaster and Failure Studies Repository
World Trade Center Disaster Investigation Materials

1st. Lv. Subfolder: Collected Materials
2nd Lv. Subfolder: Original Video from Tapes
3rd Lv. Subfolder: General Investigation Collection
File: 564_WTCI-329-I_Part 1.mp4
("CNN NIST Dub #23" Tape was splitted here in two video parts by NIST)
File Size of Part 1: 359.43 MB
Link: http://wtcdata.nist.gov/gallery2/v/Co...

See also a much worse WMV3 encoded full tape released by NIST to International Center for 9/11 Studies under NIST FOIA #09-42:
http://911datasets.org/index.php/SFil...
Download through Torrent Filesharing Network.

Interlacing artifacts due to wrong set scan mode in H.264/AVC by NIST have been mostly repaired. The NIST encoding was set on progressive mode instead on interlace coding. Video then has been and gamma-aware resized to 720p by keeping the original display aspect ratio of 4:3.

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