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Consumer Electronics by S. P. Bali

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Descriptive Questions

  1. What are the problems in video recording and how are these overcome?
  2. Describe the basic principle of video recording.
  3. Compare audio cassette recording with video cassette recording.
  4. What is a format? Compare the three most popular video formats. Enumerate the relative similarities of the three formats.
  5. Explain why signals are attenuated as the gap size increases beyond 1/2.
  6. What is the relation between gap width and writing speed?
  7. What techniques are adopted to record and replay video signals?
  8. With the help of a suitable sketch, explain the slant azimuth system of video recording.
  9. How the colour signal is recorded on the tape?
  10. What is the significance of recording bias?
  11. Briefly explain the colour-under recording system. ...

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