Sound Volume problem when using digital audio (s/pdif) listening devic

  1. Posts : 22
    Microsoft Windows 10 Pro 64-bit

    Sound Volume problem when using digital audio (s/pdif) listening devic

    I am having a problem with my sound. Whenever I play a video with A52 or DTS codec, I cannot control the volume with the player or with Windows volume control, other than muting the volume. The sound plays straight through the speakers.Now for a little background:This past weekend I wiped my hard drive that still had Windows 10 build 1511. For the past year and a half, I have not been able to upgrade, and in the past few months have not been getting updates either. I now have 1709. And that is when the volume problem began. I am using the on-board sound (VIA HD). I have used the drivers for VIA and the generic Microsoft drivers. The volume problem occurs with both drivers. I am connected to a VIZIO 5.1 Sound Bar with an Optical Digital Audio Cable. When listening through the sound bar, the playback device is digital audio (s/pdif). When listening through the headphones, I choose the speakers playback device. When listening through the speakers device/headphones, I can control the volume normally. Before reinstalling Windows, I did not have this problem.
      My ComputerSystem Spec

  2. Posts : 22
    Microsoft Windows 10 Pro 64-bit
    Thread Starter

    No one else has had this problem?
      My ComputerSystem Spec

  3. slicendice's Avatar
    Posts : 4,065
    Windows 10 Pro x64 v1809 Build 17763.379 (Branch: RS5 Release Preview)

    ShdwKnght said: View Post
    No one else has had this problem?
    I recognize this issue from other people with similar issues. I don't use optical nor digital output so, I can't help much...

    I think your driver/audio output is set to passthrough rather than going via some sort of mixer or similar. Please check all audio tools and control panels available from the driver package and Windows built in audio applications that manages sound. Maybe there is a switch in wrong position!?

    OH, and another thing...since you are having the problem when you use multi channel audio, I think you are missing the proper codecs.
      My ComputersSystem Spec


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