MacBook Pro 2018 - Speakers Crackling

Discussion in 'MacBook Pro' started by jaack, Jul 18, 2018.

  1. jaack, Jul 18, 2018
    Last edited by a moderator: Aug 8, 2018

    jaack macrumors member

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    #1
  2. Brookzy macrumors 601

    Brookzy

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    UK
    #2
    It happened once to me for a split second. Was playing iTunes at high volume at the time and re-played the track to see if it was a glitch in the recording, but the second time there was no crackle.

    It sounded literally like scratching a record, it wasn’t like a background crackle or anything - it completely distorted the audio.
     
  3. Bob1985 macrumors member

    Joined:
    Sep 19, 2015
    #3
    I had a similar issue with my external DAC/AMP. Lots of hiccups.

    Once macOS had finished with its iCloud downloads, indexing, and whatever else it does, the issue went away completely.

    I think macOS has a bug related to prioritizing audio streams during these background activities.
     
  4. Newtons Apple macrumors Core

    Newtons Apple

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    Mar 12, 2014
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    Jacksonville, Florida
    #4
    No crackling from mine, so far. I do not play a lot of music though, not through my MBPro.
     
  5. jaack thread starter macrumors member

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    Oct 30, 2016
    #5
    It's happening every 10-15 minutes when I'm listening to music. Is it still happening for you?
     
  6. mr.anthonyramos macrumors 6502

    mr.anthonyramos

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    Hong Kong
    #6
    Haven’t heard it on mine (yet). Possible to record the sound and post it?
     
  7. stailey macrumors newbie

    stailey

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    Jul 22, 2018
    #7
    I'm having the same problem. I was playing audio in iTunes and maybe about 15 minutes in it made this weird metallic scratching sound. I called Apple Support and they think its a hardware issue.
     
  8. ksj1 macrumors newbie

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    Jul 17, 2018
  9. tianhuailiu macrumors member

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    Nov 8, 2016
    #9
    I have the same issue and think that my speaker is broken. I am not even in bootcamp just in macOS..... SAD.
     
  10. zshane1125 macrumors regular

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    Jul 16, 2018
  11. Ocias macrumors newbie

    Ocias

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    Location:
    Sydney, Australia
    #11
    Just had my new 2018 15" MBP replaced after experiencing severe regular crackling/popping audio, but the new one shows the same initial symptoms.

    Wondering if anyone else is experiencing the same problem.

    How to test:
    - Open a youtube video in safari
    - Hold shift and press the volume up/down buttons repeatedly
    - Does the volume change sound play consistently for you? Or does it skip, and the audio crackles and pops occasionally?

    Video demonstration using an Audacity tone:

    If you run into this, you may want to get your machine checked, as this was the most obvious initial symptom, and it got worse to the point where the crackling was constant on both input and output and made calls impossible after just one week.

    Other notes:
    - It happens on both speakers and through the headphone jack
    - Happened for me on both 10.13.5 and 10.13.6
    - Resetting SMC and NVRAM do not help the issue
    - The crackling and distortion occurs even with nothing playing and volume low, it's just much more difficult to make out
     
  12. macpro2018 macrumors newbie

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    Jun 13, 2018
    #12
    I heard crackles/pops from right top while I was watching a film today.I paused for a minute then it disappeared.
    I am worried if that is gonna happen again.
     
  13. GerritB macrumors regular

    Joined:
    Jul 18, 2018
    #13
    Yes I have this issue.

    Together with other issues I'm experiencing, I'm quickly moving into the territory of bringing it back to the store unless some quick update releases that fixes most of them.
     
  14. markusberger macrumors member

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    Jun 12, 2012
    #14
  15. SaintBol, Jul 27, 2018
    Last edited: Jul 27, 2018

    SaintBol macrumors newbie

    SaintBol

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    Jul 27, 2018
    #15
    Have same issue (MBP2018 15" i9).
    After a long moment, it starts and occurs every 11 seconds exactly. It can occur in iTunes, or in web videos, and so on.
    Under VLC, when it happens, the logs are full of "playback too late", so it's not a speaker problem.

     
  16. Ocias macrumors newbie

    Ocias

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    Sydney, Australia
    #16
  17. Ocias macrumors newbie

    Ocias

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    Jul 27, 2018
    Location:
    Sydney, Australia
    #17
  18. Bill Gates macrumors 68020

    Bill Gates

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    #18
    I haven't watched your video, but I have had a couple audio stutters/drop-outs with my 15".
     
  19. volumeWindow macrumors newbie

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    Jul 27, 2018
    #19
    I am noticing the same thing, but only (so far) while playing games. It happens after just a couple minutes in CivVI which is a DX10 game. M$ support site says to download the latest Realtek drivers, but device manager says it's an AMD sound driver?
     
  20. Bill Gates macrumors 68020

    Bill Gates

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    #20
    I have the same issue with my 2018 15". If I were using Windows, the first thing I would look at would be the DPC latency. I don't know what the equivalent would be (if there is one) under MacOS. From the multiple user reports, I expect this is not a hardware defect, so I see no reason to exchange/replace the machine, although that would certainly help bring the issue to Apple's attention.
     
  21. stylinexpat macrumors 65816

    stylinexpat

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  22. Aea macrumors 6502a

    Aea

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    Denver, Colorado
    #23
    "Crackle?" Sounds like it just ripped a big one.
     
  23. zshane1125 macrumors regular

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    Jul 16, 2018
    #24
    disturbing! I haven had any issues.
    --- Post Merged, Jul 27, 2018 ---
    AHAHAHA that's hilarious.

    But yea man, check your macbook's diet bro. i9 too much power, too much protein shakes...
     
  24. volumeWindow macrumors newbie

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    Jul 27, 2018
    #25
    I installed a latency check tool (https://www.thesycon.de/eng/latency_check.shtml) and everything is in the yellow, for the mostpart. The tool seems to think there shouldn't be a problem.

    Nevertheless, I went through and disabled a few drivers (wifi cards etc) and it didn't reduce the latency.

    Where the bar chart turns red is where the crackling started. Where it returns to yellow is where I exited CivVi.

    https://i.imgur.com/ZVIjpG3.png
    --- Post Merged, Jul 27, 2018 ---
    Well, I found the problem. And... it's an Apple driver. So not much to do about it since we need that driver for audio.

    https://imgur.com/a/vI9nIVt
     

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