One detects edit in audio (6)
I believe the answer is:
sensor
'one detects' is the definition.
(I've seen this before)
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for sensor that I've seen before include "Detecting device" , "A furtive look" , "One detects" , "device to detect change?" , "Device that reacts to stimulus from snores" .)