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MacBook Pro (2018) Audio on videos cuts out randomly

I bought the all-new 2018 MacBook Pro (13 inch, touchbar, 256 gb) yesterday and have been having issues since. While streaming video, every 5-15 minutes the audio of the video will cut out but the video will continue to play. If I stop the video and refresh the page, the video does not play. If I stop the video, wait about a minute, then refresh the page, the video plays with sound again.


This has been happening on Netflix, Hulu, and YouTube so it is not a problem with the site itself. I have reset my Wifi and router and have not experienced this problem from my iPhone, so I don't believe that that is the issue either.


Any thoughts? It's disappointing that this is happening when this computer is so new.

MacBook Pro TouchBar and Touch ID, macOS High Sierra (10.13.6)

Posted on Jul 17, 2018 2:29 PM

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Posted on Jul 19, 2018 4:55 PM

I got the 15 inch (i9, 32GB RAM, 1 TB SSD)one and having the same problem.


Done some basic testing and these are my findings:

1. It's not specific to any browser (Tested on Safari and Chrome, in safari the video stops for a second and then returns but the sound takes a few seconds more and comes back as well. In chrome though if the video stopped once it won't resume!! refreshing the page also won't help! need to open a totally new tap for it to work properly again).


2. It's not browser specific (Same problem happens on Quicktime as well).


3. Tested with iTunes (audio only) and it still happens. It's more subtle but is still there.


4. It happens on both Mojave and high Sierra.


I tried to reset the audio system by doing:

1. reseting coreAudio by typing: "sudo killall coreaudiod" in terminal

2. Reset PRAM & SMC


Didn't fix anything though ....

If anyone has any input

75 replies
Question marked as Best reply

Jul 19, 2018 4:55 PM in response to skylar73

I got the 15 inch (i9, 32GB RAM, 1 TB SSD)one and having the same problem.


Done some basic testing and these are my findings:

1. It's not specific to any browser (Tested on Safari and Chrome, in safari the video stops for a second and then returns but the sound takes a few seconds more and comes back as well. In chrome though if the video stopped once it won't resume!! refreshing the page also won't help! need to open a totally new tap for it to work properly again).


2. It's not browser specific (Same problem happens on Quicktime as well).


3. Tested with iTunes (audio only) and it still happens. It's more subtle but is still there.


4. It happens on both Mojave and high Sierra.


I tried to reset the audio system by doing:

1. reseting coreAudio by typing: "sudo killall coreaudiod" in terminal

2. Reset PRAM & SMC


Didn't fix anything though ....

If anyone has any input

Aug 20, 2018 9:26 AM in response to skylar73

Same issue.

  • 2018 MacBook Pro 15 Inch (2.6ghz/16gb/512gb)
  • High Sierra (10.13.6) > Safari Browser


Description:

Audio cuts out sometimes during videos, while the video continues. Happens every 20 mins or so, and the audio seems to come back after 15ish seconds if I let the video continue playing silently.

Quick fix:

Rewind the video back to where the audio cut out (using the left arrow key).


Has anyone else experienced this on other browsers?

Also, while adding the underlines on the headings above, the Touch Bar began to flicker uncontrollably. Lots of bugs!

Jul 29, 2018 5:01 AM in response to GotDamned

No, not yet. I went to the apple store yesterday and they just decided to give me a new one on the premise that it's a hardware problem, but even the new one still has the same issue (way less frequent though). But I'm still in contact with Apple support. They now have the sysdiagnose results for both laptops, and I'm just waiting for the result of their investigation. Will let you know as soon as I hear back from them (probably Wednesday).

Jul 29, 2018 5:08 AM in response to GotDamned

It could very much be! I'm not really sure what's going on yet. But I wanted to check if you had any other issues with it?
For me for example, when I restart the Mac and sign into my user account the animation is very glitchy. Also when I sign into my iCloud account to link it to the MacBook Pro, I receive an email saying that I've signed into a 13" MacBook Pro, even though I have the 15"!!

Jul 29, 2018 5:18 AM in response to GotDamned

Well so far I've tried everything I could. Reseting PRAM, upgrading to Mojave, installing a fresh copy of High Sierra, running hardware diagnostic tool (no issues found), got a replacement MacBook Pro and still no fix! Will have to wait for the apple engineers to get back to me I guess. I'll let you guys know how it goes, but it might be a good idea if you contact them as well!

Jul 29, 2018 4:05 PM in response to GotDamned

Glad to know that I'm not the only one experiencing this. Haven't been able to solve it yet. Private browser windows are very inconvenient because I am streaming video and I would have to log in every time, but that does make it seem like it's a software problem rather than hardware?


If anyone learns anything else, please keep me updated.

Aug 12, 2018 7:40 PM in response to skylar73

I have the same issue. I've just disabled Hey Siri and will report back later if it solved my issue. If it does, not sure what to do about it. It seems like faulty hardware/design but given I got my laptop on launch day, it's a bit too late to "return" the device... Let's see if this test does work and if so, I'll chat with Apple Care folks and figure it out.

MacBook Pro (2018) Audio on videos cuts out randomly

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