How Analogue Colour Televisions Works: the Coding and Decoding Process

Pye History Trust presents the third part in its video series: “How Analogue Television Works”.

Part 1 (   • How monochrome analogue television works  ) explained monochrome (black & white) television broadcast and receiver technology.

Part 2 (   • How analogue colour television (TV) w...  ) explained how the eye perceives colour; how colour cameras work and how the television receiver displays the original picture.

In this Part 3: a simplified explanation of how the colour signal is encoded onto the video signal by the camera and how the television receiver decodes this signal.

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Audience
- Students: physics, optics
- Electronics engineers
- Broadcast enthusiasts

Contents:
0 -1 min: Introduction to the Pye Story at Cambridge Museum of Technology
1 - 2 mins: introduction to colour television
2 - 3 mins Luminance
3 - 12 mins: National Television System Committee (NTSC) system, developed in the USA
13 -20 mins Phase Alternating Line (PAL) system, developed in Europe

Published under Creative Commons Licence:
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
www.creativecommons.org/licenses/by-nc-nd/4.0

The Pye Story (www.pye-story.org) permanent exhibition at Cambridge Museum of Technology (www.museumoftechnology.com) displays examples of analogue television broadcast and receiver equipment produced by Pye during the 20th century.
Video produced by R N Bates and R Ellis for The Pye History Trust, 2022.

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