Voice Isolation is a noise canceling feature that eliminates ambient noise during a call that has become a hot topic on social networking sites.

This article explains the details of the microphone mode and how to set it up.

If you get the message “Voice isolation and wide spectrum are currently unavailable.” or if you do not have a microphone mode or do not know how to set it up, please refer to the following.

What is a microphone mode?

Microphone mode (Voice Isolation) is a feature that was implemented with iOS 15.
It shuts out all sounds and voices except your own, making it a useful feature for meetings in town or when working from home.

Note, however, that microphone modes cannot be used for regular calls made over a phone line or on Discord.

Microphone mode can be used for LINE, Slack, Zoom, Google Meet and others.

How to set the microphone mode

Put simply, microphone mode is not something set in advance.
The microphone mode can be only set during a call.

The following is a step-by-step procedure with images to set the microphone mode during a call.

1. Swipe down from the upper right corner of the screen during a call to bring up the Control Center
2. Tap the microphone mode
3. Tap Voice Isolation and you are done!

Now, “Voice Isolation and wide spectrum are currently unavailable.” may be displayed on the screen, the following content explains how to deal with the situation.

What to do when “Voice isolation and wide spectrum are currently unavailable.” is displayed

If you see “Voice isolation and wide spectrum are currently unavailable.” or if you cannot find the microphone mode in the Control Center, check the following three things.

• Is your iPhone updated to iOS 15 or higher?
• Are the earphones or speakers connected or turned on?
• Are you making a call using a phone line?

It seems many people confused about the reason why they cannot use the microphone mode is that they try to set it up without confirming their earphone or speaker connections.

There are three microphone modes

In addition to “Voice isolation,” there are two other microphone modes: “Standard mode” and “Wide-spectrum mode.”

Voice isolation

A mode that shuts out sounds and other voices besides your own.
This is useful when you hear noise in the city or when you work from home and your family’s voices can be heard.

Standard mode

There will be no correction and the call can be made normally.
Standard mode is selected by default.

Wide-spectrum mode

This mode picks up all sounds heard during a call. Recommended
when you want the other person to hear the sounds around you, such as ambient noise and music. Note: Cannot be used in combination with earphones.

Set the settings according to your own call usage.

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