What is the standard aspect ratio of NTSC video?

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Multiple Choice

What is the standard aspect ratio of NTSC video?

Explanation:
NTSC video was designed for traditional television screens with a 4:3 shape, so the frame is 4 units wide for every 3 units tall. This 4:3 standard existed with the 525-line, 30/29.97 fps NTSC system and carried into standard-definition digital formats. Widescreen formats like 16:9 came later with HDTV, while 21:9 is a cinema ultrawide format and 3:4 would be a portrait-like aspect not used for normal broadcast. So the standard aspect ratio for NTSC video is 4:3.

NTSC video was designed for traditional television screens with a 4:3 shape, so the frame is 4 units wide for every 3 units tall. This 4:3 standard existed with the 525-line, 30/29.97 fps NTSC system and carried into standard-definition digital formats. Widescreen formats like 16:9 came later with HDTV, while 21:9 is a cinema ultrawide format and 3:4 would be a portrait-like aspect not used for normal broadcast. So the standard aspect ratio for NTSC video is 4:3.

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