Find an article in an aviation-related journal or other current resource focused on filtering (signal processing), in particular, audio filters and their application and to include, amplifiers, oscillators, transmitters, receivers, microphones, and speakers. How do they all work together?

For this Internet Research assignment, find an article in an aviation-related journal or other current resource focused on filtering (signal processing), in particular, audio filters and their application and to include, amplifiers, oscillators, transmitters, receivers, microphones, and speakers. How do they all work together?

This is a general assignment but intended to get you familiar with the reason we have noise filters in aviation. Some of them you might see in the field of aircraft maintenance of aviation radios.

https://aea.net/

https://aviationweek.com/