iPhone’s secret features that polish your call quality

Apple released it iOS 18.3 In December, that update brought some Bug fixes For iPhone. But when Apple was released iOS 16.4 In 2023, we introduced voice separation, a feature that greatly improves the sound quality of calls.

Apple had already added Voice Isolation and Wide Spectrum to FaceTime Calls. iOS 15 In 2021, voice separation is only available on current phones.

read more: Everything you need to know about iOS 18

When enabled, voice separation will distract background noise that blocks the phone. That way, if you’re making a business call or catching up with a friend, you won’t be interrupted by barking or building your dog outside your home.

To enable voice separation, you must answer an active call as the feature is not in the settings. Once active, Voice Isolation remains for all future calls unless you manually turn it off.

Here’s how to activate and disable voice separation on your phone:

How to enable audio separation

1. Tap phone App.
2. During a call, swipe from the top right corner of the screen to access it Control Center.
3. Tap Phone Control Near the top of the screen.
4. Tap Audio separation.

To disable audio separation, follow the same steps above and tap standard With phone control. This will restore the microphone to its default settings.

What is a broad spectrum?

Next to the phone control voice separation, a wide spectrum is also found. Unlike speech separation (muffling background sounds), a wide spectrum amplifies background sounds without affecting the voice.

Wide spectrum is useful for calls with multiple people on a single telephone line. This way, not just anyone who has the phone, but everyone can listen.

Wide spectrum is currently available FaceTime Calls. This feature still exists in phone controls, so it may be available on phones in the future.

For more information about iOS 18, here are some things you need to know iOS 18.3 and iOS 18.2. You can also check out us iOS 18 Cheat Sheet.