Your iPhone, iPad and Mac have a secret setting to massively boost call quality

There’s a bizarrely hidden setting in the Control Center of Apple’s iOS 15 and MacOS Monterey that you need to know about, because it significantly boosts vocal clarity when using audio and video calling apps.  The feature is called Voice Isolation and, though it was announced when iOS 15 launched (and was reported on by us here), it has tiptoed largely under the radar. But it’s great, and and whenever people discover it, it tends to blow minds.

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