At this point, it is an overused joke. Someone in a movie steps up to a microphone to say something serious or awkward, and when they start talking, a screeching sound can be heard. For as rote as it ...

Few issues mess up a call like mic echo — it’s incredibly distracting. Thankfully, you can usually fix it in a few seconds. If you’re on a phone or video call and you suddenly hear your own voice on a ...