Amateur Extra › E4 Amateur Practices › E4E02
E4E02
Which of the following types of noise can often be reduced by a digital noise reduction?
Pick an answer to check it.
Answer: D. All these choices are correct
Digital noise reduction uses DSP to pick out signals from random noise. It can often reduce broadband white noise, ignition noise, and power line noise.
Tip: DSP noise reduction helps with all three.