This document summarizes various film and video formats including the scanning standards, screen resolutions, and aspect ratios. It lists different film gauges like 35mm, 16mm, and 8mm as well as analog and digital video tape formats. The scanning standards discussed are NTSC, PAL/SECAM, and HDTV with their respective line counts and frame rates. Common aspect ratios from 4:3 to widescreen 16:9 are also defined.

1. Formats
Film Videotape
 35mm  2” Quadraplex
 16mm  Helical scan/Analog
 8mm 1” proprietary
½” reel
 Super 8
¾” U-matic
 70mm
Betamax
VHS
Super VHS
Betacam
Video-8
Hi-8

2. Formats
 Helical scan/Digital
D1, D2, D3, DCT
Digital Betacam
Mini-DV
DVCAM
DVCPRO

3. International Standards
NTSC HDTV
 525 lines  1125 lines
 30 fps  30 fps
 Interlace  Progressive
PAL/SECAM 24P
 625 lines  24 fps
 25 fps  Progressive
 Interlace

4. Screen Resolutions
VHS - 200 by 480
Hi-8 - 400 by 480
MiniDV - 720 by 480
24P - 1920 by 1080
35mm film - 4000 by 3000

5. Scanning

6. Aspect Ratio
Ratio of width of
screen to height
 4 by 3 (1.33:1)
8mm, 16mm, 35mm
film
TV
 Widescreen film
1.85:1 U.S.
1.66:1 Europe
 Anamorphic lens
2.35:1
 HDTV
16:9