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Introduction »AVIONICS»EFIS & EMS»Glance Avionics » ANR Function Component set (right and left)
The ANR Function Component consists of:
 - Electret Microphone - Picks up ambient noise within the ear cup cavity.
 - Circuit board - Processes ambient noise and generates a duplicate  wave, which is shifted 180 o out of   phase from the sampled unwanted  noise.
 - Upper Speaker - Emits normal audio signal without modification.
 - Lower Speaker - Emits the generated ANR wave to reduce noise.
