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  1. #1
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    Exclamation ALC 4080 random static noise UPDATED!

    UPDATE 3:
    Ok. So I've repro static noise using ASUS Dual Intelligent Processors 5 like Sasha did in his video. If you can't repro, try to use different songs, higher volume level and higher samping rate e.g. 192000 Hz and 24 Bit.
    Audio track in my video: Metallica - Sad But True.
    Volume level: 20%.
    Speakers: EDIFIER R2750DB (line 1 RCA) and rear Realtek audio out (lime).
    Also there is same weird sound cuts when I switching AI Cooling toggle and my mouse hangs sometimes for a second and not reacting (tried with SteelSeries Sensei Ten and ASUS ROG STRIX Evolve). When static sound plays you can see how volume slider is being slightly unresponsive, it's lagging when I change volume.
    No errors, same behaviour with BIOS optimized default settings, different BIOS versions and even on clean Win 10 installation without Realtek driver (with Microsoft default audio driver).
    This sound issue can occurs everywhere. Dual Intelligent Processors 5 - it's just the fastest way to repro this issue.
    Imagine what people feel when this crap happens suddenly at the high volume when people don't expecting this at all

    Video:


    UPDATE 2:

    Today I caught this hiss in the BIOS.
    I don't know how to reproduce it in Windows but I know how to trigger this static sound via analog outputs in the BIOS.
    Here's how to reproduce it:

    1. Change your CPU vcore voltage in the BIOS to any value which will get you BSOD under stress. Unstable overclock or unstable undervolt, doesn't matter.
    2. Set this voltage and launch something like Cinebench R23 or any stress load to get BSOD.
    3. When you will see BSOD screen - use reset button on your chassis or motherboard (don't wait while Windows will reset PC, reset it manually).
    4. Enter the BIOS and static sound will be there. It will be more quiet than regular sudden static noise in Windows but you can hear it via analog outputs and it will have the same character, until you exit the BIOS and start Windows boot.

    P.S. if this won't work for you, try to reproduce it again with chassis front panel audio output.

    Video:
    https://www.youtube.com/watch?v=BZ81fs330DY

    One more method how to catch it under Windows (might take some time) from another 13 Apex owner using Dual Intelligent Processors 5 app (there is also weird sound cuts when he switching AI Cooling toggle, I suspect this is not normal too). 5.1 speakers, 192000Hz 32Bit, analog.
    Video:
    https://www.youtube.com/watch?v=14PV2ftGUVw

    UPDATE:

    Igor's Lab digging this problem with analog static noise and cuts out.

    https://www.youtube.com/watch?v=cryOdl4e_2M

    Long story short:

    Now we come to the actual problem, namely the dropouts, sporadic volume changes and even a (rather rare) unmotivated "pop" when the volume control is set above 50%. Here I have used my manufacturer contacts and asked directly to the producers and their development departments. If you believe the first findings of the FAE (Field Application Engineer) involved everywhere, the problem even lies outside the audio chip, namely in the MCU (Micro Controller Unit), which is responsible for the RGB effects of the individual components.

    English article https://www.igorslab.de/en/realtek-a...st-workaround/

    ORIGINAL POST

    ----------------------------------------------------------------------------------------------------------------------------------

    Asus Maximus XIII Apex onboard ALC 4080 audio codec makes static noise over front or rear analog audio outputs.
    Happens absolutely random and unpredictable. When I rewind videos on YouTube or rewind\change audio tracks in music player but never in games. Usually once a day.
    Asus support insist this is a faulty motherboard and recommend to RMA board to local seller but I saw few messages from Rog Strix Z590-F and Z590-E owners who have exactly the same issue (since these boards have ALC 4080 codec too). Some owners encounter exactly the same analog outputs issue with other vendors ALC4080 motherboards (Gigabyte\Aorus\MSI).
    Realtek audio drivers uninstall does nothing, static noise randomly repeats. SPDIF firmware for ALC 4080\4082 is applied. I never had this issue over SPDIF by the way.
    Any ideas what else to try?

    Static noise example (if video doesn't work here, open it on YouTube):

    https://www.youtube.com/watch?v=8K5UJWwIxA8

    Fresh Windows 10 install (latest updates).
    i7 11700K
    ASUS ROG MAXIMUS XIII APEX
    G.SKILL F4-4000C19D-16GTZKW
    Gigabyte GTX 1660 Super Gaming OC
    EVGA SuperNOVA 1000 P2

    Reddit reports from Gigabyte\Aorus mobos owners with ALC4080 related to analog outputs static noise:
    https://www.reddit.com/r/gigabyte/co...on_z590_ultra/
    https://www.reddit.com/r/gigabyte/co..._static_audio/

    YouTube videos:
    Another ASUS Z590 Maximus XIII Apex
    https://www.youtube.com/watch?v=kiMFy8PxMqA
    MSI Z590 Carbon
    https://www.youtube.com/watch?v=SbfINusobRo&lc=
    Last edited by Rocket Scientist; 10-07-2021 at 06:01 PM. Reason: Updated

  2. #2
    ROG Guru: White Belt Array kvarq PC Specs
    kvarq PC Specs
    MotherboardAsus Apex XII
    Processor10900K
    Memory (part number)F4-4000C16D-32GTRSA
    Graphics Card #13090 K|NGP|N
    Sound CardSound Blaster Z
    MonitorPG279Q
    Storage #1980 Pro 2TB
    CPU CoolerThermaltake Ultimate 3.0
    CaseMeshify S2
    Power SupplySeasonic Titanium TX850
    Keyboard Razer Huntsman
    Mouse Razer Viper 8K
    Mouse Pad RAZER Firefly V2
    OS 21H1

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    Asus XIII boards are in general crap, especially Apex XIII, which is FUBAR.
    I feel you man, couldn’t return mine either, 500 Euros thrown down to the toilet. I decided just to give up, does not worth time, energy and being continuously annoyed trying to make work something which is by default a bad design, having bios written Friday afternoons remotely and so on.
    *Very nice job, Asus!*

  3. #3
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    Bump.

  4. #4
    ROG Member Array tadekm PC Specs
    tadekm PC Specs
    MotherboardROG STRIX Z590-A Gaming
    ProcessorIntel Core i7 11700K
    Memory (part number)IRX3000D464L16S/8G x4 (32GB)
    Graphics Card #1Intel UHD 750
    MonitorDELL S3422DWG
    Storage #1Samsung SSD 970 EVO 512GB NVMe
    Storage #2Samsung SSD 980 1TB NVMe
    CPU CoolerFortis 3
    CaseFractal Design Define R5
    Power SupplySeasonic Platinum 650
    Keyboard Logitech MX Keys
    Mouse Logitech MX Master 3
    Headset SONY XB900N
    Headset/Speakers Harman Kardon SoundSticks III
    OS Windows 11
    Network RouterMikrotik hAP AC2

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    Had the same in ROG STRIX Z-590A Gaming. When installed latest drivers from this forum (thanks MoKiChU) it stopped or it rarely happens.

  5. #5
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    Quote Originally Posted by tadekm View Post
    Had the same in ROG STRIX Z-590A Gaming. When installed latest drivers from this forum (thanks MoKiChU) it stopped or it rarely happens.
    I have suspicions that changing sampling rate for analog outputs to anything different than stock settings can be cause of this issue but I'm not sure. I'm still testing. By default sampling rate settings in my case are 48000Hz and 32Bit.
    Can you check please your current sampling rate in Windows sound settings? And if they are same as mine could you change it to something like 48000Hz/24Bit or 192000Hz/32Bit for couple of days, just to check if problem appears again? Thanks.

  6. #6
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    Bumping this.

    Am having the same issue with my ROG Strix Z590-F. Randomly sound will just go to a static hiss, mainly during video but has happened once in a game too.

    Going to sound settings, changing output to another option and then back to Realtek USB Audio resolves it - until next time.

    (Latest drivers from ASUS installed and the firmware update)

  7. #7
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    Quote Originally Posted by gryphon2 View Post
    Bumping this.

    Am having the same issue with my ROG Strix Z590-F. Randomly sound will just go to a static hiss, mainly during video but has happened once in a game too.

    Going to sound settings, changing output to another option and then back to Realtek USB Audio resolves it - until next time.

    (Latest drivers from ASUS installed and the firmware update)
    Just for clarification, are you speaking of analog audio outputs? Could you post your current sampling rate from Windows settings and also, if you know, is your RAM running in Gear 1 or Gear 2 mode?

  8. #8
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    All settings are the default - 24bit 48,000Hz sampling rate
    Realtek USB Audio is the analog output for speakers.
    As for my RAM I'm not sure of that setting but again I haven't changed anything so I suspect whatever the default is!



    Quote Originally Posted by Rocket Scientist View Post
    Just for clarification, are you speaking of analog audio outputs? Could you post your current sampling rate from Windows settings and also, if you know, is your RAM running in Gear 1 or Gear 2 mode?

  9. #9
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    Just had a short conversation with a guy who have the same problem on his M13Apex too with 5.1 analog outputs. He also claims that the issue occurs more frequent with 192000Hz\32Bit sampling rate.
    His video:
    Last edited by Rocket Scientist; 09-03-2021 at 04:21 PM. Reason: Link

  10. #10
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    i have the same static noise issue with two ROG Z590 F Gaming WIFI Mainboards.
    All i know so far, it has nothing to do with overclock, drivers, Bios or sound settings, it is complete random.

    Windows loudness control is stuttering and System Sounds are delayed all the time.
    It is most likely a Hardware design issue.

    340 Euros for the toilet. good Job Asus
    Last edited by Sync Entity; 09-04-2021 at 09:25 AM.

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