E2B05:

Which of the following describes the use of vestigial sideband in analog fast-scan TV transmissions?

  1. The vestigial sideband carries the audio information
  2. The vestigial sideband contains chroma information
  3. Vestigial sideband reduces bandwidth while allowing for simple video detector circuitry
  4. Vestigial sideband provides high frequency emphasis to sharpen the picture