iOS 16.4 Beta: How to enable voice isolation for mobile calls

In iOS 16.4, currently in beta, Apple has made its Voice Isolation feature available during phone calls. Read on to learn what voice isolation does and how to enable it.

In iOS 15, Apple has added several new features to make video conferencing using FaceTime and other video calling apps more attractive. One of the features, called Voice Isolation, makes it easier for people to hear you on video calls, and in iOS 16.4, Apple enabled it for regular phone calls as well.

When you're on a call, your device's microphone typically picks up a variety of sounds in the environment, but with Voice Isolation, machine learning can differentiate between these sounds, blocking out any ambient noise and prioritizing your voice. , so that it passes through clearly.

The following steps show you how to enable Voice Isolation during regular calls on an iPhone running iOS 16.4, which is still in beta at the time of this writing.

1. Open the "Phone" app and start a regular audio call with someone.
   
2. After a call, pull down Control Center by dragging diagonally downward from the top right corner of the screen.
3. Click the Microphone Mode button at the top.
4. Select the Voice Isolation option.

Voice Isolation will now be activated and you can turn it off at any time by visiting Control Center again and selecting Standard.

When Apple originally launched Voice Isolation for FaceTime, it also launched another audio option called Wide Spectrum, which the company said can "capture the complete symphony of sound — your voice and Everything around you." Essentially, this mode brings every sound into your call, perfect for situations where you want the other person to hear everything that's going on in your space.

Currently, Wide Spectrum doesn't work with regular phones, but the fact that the iOS 16.4 beta says it's "currently unavailable" suggests the feature could be extended to the Phone app as well.

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