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Geek Out - How television led to streaming video on your mobile phone

Talkat CPH DevFest 2024 · 2024-08-26..08-30· [computing-history]
slides:none on file

Explains how TV moves from mechanical 30‑line experiments to modern phones by naming formats, tools and bottlenecks: 405/525/625 line standards, NTSC 29.97 vs PAL 25 and 60/50Hz interlacing; how CCDs use a Bayer filter versus 3‑tube prism cameras; CRT shadow‑mask vs Trinitron stripe tradeoffs; LCD polarization and OLED burn‑in; MPEG GOPs with I/P/B GOP demo showing video collapse when I‑frames drop; how satellite boxes use an LNB polarization tuning and multiplex metadata so channel changes take ~1s; origin of MP3 from MPEG‑1.

AI-written summary · about

  1. 0:00Introduction
  2. 1:28Fascination with television
  3. 5:48Birth of TV tech
  4. 8:14Early cameras
  5. 12:52Vacuum tubes to sensors
  6. 17:30CRT color challenges
  7. 23:12LCD physics
  8. 28:52OLED advantages
  9. 32:51Video scanning basics
  10. 38:12NTSC vs PAL
  11. 43:29Video compression (MPEG)
  12. 51:18Satellite TV signals
  13. 56:17TV to mobile streaming
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