In iOS 15, Apple added the Voice Isolation feature to FaceTime calls to filter out noise around you while you’re talking, which is a boon if you’re making a call in a loud space or outside environment. With the recently released iOS 16.4, Apple has now brought that feature to cellular calls as well, but it’s not an option in Settings > Phone, as you might expect. Instead, during a call, open Control Center by swiping down from the top right of the screen (Face ID iPhones) or up from the bottom (Touch ID iPhones). Then tap the Mic Mode button and Voice Isolation. You won’t hear any difference, but the person on the other end should be able to hear you better. iOS remembers your setting, so switch back to Standard when you’re done—Voice Isolation may not sound as good as Standard in quiet spaces.
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