iPhone 12 Pro: Facetime / speakerphone microphone audio cuts in and out

My wife recently upgraded from the iPhone X to 12 Pro. For Facetime calls, she frequently positions the phone propped up on her desk (bottom part on desk) so it's hands-free. This seems to cause the audio to cut in and out for the people on the other end of the call. My guess is the noise cancellation to prevent feedback from the speakers is causing it. However, it's not an issue on any of the older model iPhone we've had. We've tried it with both case on and off and tried turning off noise cancellation in the settings, but didn't work.


Is anyone having the same issue? I'm wondering if this might be a software fix in the future or if it's hardware related.

iPhone 11 Pro

Posted on Nov 16, 2020 1:21 PM

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Posted on Jan 25, 2021 1:20 AM

You do realise the main microphone is at the bottom of the phone?


By standing it on something in portrait mode it is very likely you are simply blocking the microphone!


Facing the screen, the holes on the bottom of the phone, to the left of the charger socket, are the microphone.

When you are propping up the phone in portrait mode, make sure those holes are not covered. You can buy specialist phone stands that avoid this problem.


This can also be a problem with the way you hold the phone. I have a tendency to block them with my right little finger which I use as a "stand" to stop the phone slipping through my grip.

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191 replies

May 23, 2021 12:01 PM in response to Napoleon71

Exact same issue, upgraded from iPhone 6 to iPhone 11. I returned and bought exact same model twice, tried different methods to setup the new iPhone’s, and also had an in-person session with a Genius/Apple tech, but all of these were nowhere near the solution.


Today I tried turning down the volume a bit and used the phone sideways (landscape orientation) during the video calls and voila! Also entirely upside-down works but is unusual.


Definitely this needs to be addressed and Apple staff should be a bit more aware of this known issue. The noise-cancellation is no bueno. Using the mute button as suggested already is a great way too, or just play with the volume time to time. Other solutions I could think of would be using items such as AirPods, Bluetooth speakers, other earbuds and headsets.

Oct 17, 2021 7:49 AM in response to APPLEMADDAVE

This is a problem with all modern phones on speakerphone. Aggressive anti-echo audio cancellation.


When I'm outside on the street calling my friend I need to mute myself in order to be able to hear her, otherwise every tiny sound on my side will make her phone mute herself. Only if the sound on my side is constant this doesn't happen.


So why not use those AI chips to recognize voice and always let voice through, Apple?


Also, Apple phones do weird things with audio if someone on an iPhone makes a long "eeerrrmmmm" sound. It'll suddenly pump up the volume. Super weird and this is an iPhone-only issue. Hope for quick software fixes.


Using earbuds helps the other side understand you so your phone at least won't mute itself by sounds on the other line.

Oct 17, 2021 2:37 PM in response to Napoleon71

My wife and I have iPhone 8 and iPhone 8 Plus. Our phones work just fine.


Our son-in-law upgraded to iPhone 12pro Max.... and that's when we first noticed the issue in this thread.

While talking to them on Facetime on his phone.... their audio would cut in and out.


Our daughter also had an iPhone 8 Plus..... never had the issue on her phone when we talk to them on her phone.


Now.... about two weeks ago.... she upgraded to the iPhone 13Pro Max...... when ever we Facetime with them on her

new phone.... the cutting in and out happens.... just like our S-I-L's 12Pro Max.


So..... this problem all began with the iPhone 12's.... and now has continued into the iPhone 13's.


So Apple needs to go back and look at the components inside the 12's and 13's..... and compare them to all the

iPhones below them..... because they didn't have the problem with them.

Dec 20, 2021 6:04 AM in response to Napoleon71

This isn’t just iPhone problem… My iPhone 12, my wife’s iPhone 11, my 2021 1iPad 11’ pro does it too. My older iPhone 8 and 2017 iPad 9.7 Pro does not have this problem. My iPad Pro 9.7 and iPhone 8 all have 15.2 OS and they don’t have this problem, the iPad 11 Pro, iPhone 11, 12 all have 15.2 OS also but they have this same problem. Seems to be the phones and iPad’s built in the past three years or so are the ones that have this problem.. I’m like some of the other folks said it seems to be a 1/2 duplex system and not full duplex. As long as both parties aren’t talking at the same time it doesn’t do it. And yes it is extremely aggravating ….. I also had a 2018 iPad Pro 11 and it did not have this problem either.

Basically the 15.2 OS on only my newer devices iPad and iPhone do this, the older devices with same OS don not…

Dec 20, 2021 6:05 AM in response to Towheel

It's not full duplex vs half duplex but rather echo cancellation which causes the other (speaking) person's phone to mute if there's a background noise on my side.


The problem seems to be much better when I'm using Facetime Voice and the other person has me on speaker. The fact that Facetime Voice is in stereo (when on speaker) makes it so much easier to understand the other side btw.

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iPhone 12 Pro: Facetime / speakerphone microphone audio cuts in and out

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