Amateur Extra › E2 Operating Procedures › E2B10
E2B10
What aspect of an analog slow-scan television signal encodes the brightness of the picture?
Pick an answer to check it.
Answer: A. Tone frequency
In analog SSTV, the brightness of each point in the picture is set by the audio tone frequency. Higher frequency means brighter, lower frequency means darker.
Tip: SSTV brightness = tone pitch.