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  1. #1
    New ROGer Array fatalhalt PC Specs
    fatalhalt PC Specs
    MotherboardROG Strix B550-I Gaming 2003 BIOS
    ProcessorRyzen 7 5800X
    Memory (part number)G.SKILL F4-3200C14-16GTRS
    Graphics Card #1Nvidia GeForce RTX 2070 Super
    Storage #1Firecuda 520 1TB PCIe NVMe 4.0
    Power SupplyCorsair SF750

    Join Date
    May 2018
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    B550-I Ryzen 5800X: DtsApo4Service.exe crashes (Sonic Studio 3 effects not working)

    Hello guys,

    I have a following new build:

    AMD Ryzen 7 5800X
    ROG Strix B550-I Gaming
    Windows 10 20H2 (19042.630)

    I have been fighting with trying to get Sonic Studio 3 effects working and the experience so far has been unbearable and painful.

    - the audio doesn't work unless I check "Disable All Sound Effects" in Realtek Audio Console, but when I do this then I can't use Sonic Studio 3 effects...
    - I have tried clean reinstalling Asus audio drivers without any luck, still can't get Sonic Studio 3 effects working
    - I have tried clean installing MoKiChU's AUDIO_Realtek_UAD_ASUS_ROG_SS3-DTS_MB_v6.0.9047.1.7z which at least made my sound continue working without needing to "Disable All Sound Effects", but any changes made to EQ/effects in Sonic Studio 3 are taking any effect. While MoKiChU driver pack worked for a moment , soon I have been back to square one with sound not working again unless I check "Disable All Sound Effects"

    I'm trying to understand if my problems are related to DTS APO4x not being fully functional (the DtsApo4Service.exe is unable to start). I know that Sonic Studio 3 depends on Nahimic service/driver, but is that true with DTS APO4x?

    DtsApo4Service.exe crashes whenever Windows 10 starts, or whenever I try to manually start it:
    Code:
    Faulting application name: DtsApo4Service.exe, version: 1.3.3.0, time stamp: 0x5e4f3765
    Faulting module name: dtscnt64.dll, version: 4.2.7.0, time stamp: 0x5ea9603d
    or
    Code:
    The DtsApo4Service service terminated unexpectedly.
    I have tried to manually start:
    > cd C:\Windows\System32\DTS\PC\APO4x\
    > DtsApo4Service.exe -console
    it crashed and prints:
    CPUBITS 0x3ff
    AVX HIT

    Code:
    C:\Windows\System32\DTS\PC\APO4x>DtsApo4Service.exe -console
    4: Running in console mode. Press enter to start.
    
    4: Starting Rpc Server..
    4: DtsApoService in OnStart
    4: Press enter to stop the server and exit.
    
    
    
    CPUBITS  0x3ff
    
    
    AVX HIT
    
    C:\Windows\System32\DTS\PC\APO4x>
    Has anyone experienced crashing DtsApo4Service.exe? Could this be related to AVX instruction on Ryzen 7 5800X?

  2. #2
    ROG Member Array huppra PC Specs
    huppra PC Specs
    MotherboardX-99 Asus Deluxe II
    Processor6850k
    Memory (part number)CMD16GX4M2B3200C16
    Graphics Card #1Nvidia 1080ti FE + EVGA Hydro Kit
    Sound CardSoundblaster AE-5
    MonitorAcer X34
    Storage #1CORSAIR FORCE Series MP510
    Storage #2Samsung 850
    CPU CoolerCorsair H150I
    CasePhanteks Evolv ATX TG
    Power SupplyCorsair HX850i
    Keyboard Corsair K95
    Mouse Corsair Glaive
    Headset Sennheiser HD 598SE
    Headset/Speakers JBL LSR305
    OS Windows 10 Pro 1903

    Join Date
    Aug 2016
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    10
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    14

    I'm on not Ryzen but a 10900k with the Asus Maximus XII Hero /Wifi and have started having this error pop up as of today, which is 2 days after a complete clean install without this error. I've tried completely reinstalling the realtek drivers, uninstalling and even disabling it bios after removing the drivers and I'm still getting this error.

  3. #3
    ROG Junior Member Array
    Join Date
    Nov 2015
    Reputation
    10
    Posts
    1

    Same problem with a 10850k and Maximus XII Hero

  4. #4
    ROG Guru: Green Belt Array MoKiChU PC Specs
    MoKiChU PC Specs
    MotherboardASUS ROG Strix Z370-F Gaming
    ProcessorIntel Core i7-8700K
    Memory (part number)Corsair Vengeance RGB DDR4 2666MHz CL16 - 16GB (2 x 8GB)
    Graphics Card #1ASUS ROG Strix GTX 1080 Ti OC
    MonitorASUS ROG Strix XG35VQ
    Storage #1SSD Samsung 970 EVO Plus 500GB
    Storage #2SSD Samsung 960 EVO 250GB | SSD Corsair MP510 240GB | SSHD Seagate 2TB
    CPU CoolerCooler Master ML240L RGB
    CaseBitFenix Enso
    Power SupplyCorsair TX850M (850W)
    Keyboard Logitech G413
    Mouse Logitech G502
    Mouse Pad PECHAM MPad-XXL
    Headset/Speakers Logitech Z333
    OS Windows 10 64 bit
    MoKiChU's Avatar
    Join Date
    Aug 2013
    Reputation
    303
    Posts
    567

    Hi,

    Cleanup your audio drivers then install the latest drivers package.

    You have an ASUS ROG SS3|DTS Sound Unbound motherboard, so :

    You need Realtek Audio Drivers (UAD - ASUS ROG SS3-DTS MB) from the first post of this thread : [DRIVERS] Realtek Audio (MB | Intel 2xx/3xx/4xx/5xx & AMD 3xx/4xx/5xx).

    Follow scrupulously your CLEANUP process then your INSTALL process, for the next drivers packages that I would release, you will can directly follow your UPDATE process.

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