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Software Volume Issues

Benjamin A Knibbe

November 21, 2022 00:59

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I have my DAC+DSP connected via optical to a miniDSP 2x4HD and am having volume control issues. If I adjust the volume via the HifiBerry via keyboard media keys, the volume has instability issues for a few minutes where the volume jumps up/down sporadically for <1sec. It eventually settles, but it makes me not want to ever change volume. If I change volume on say a Bluetooth device or ony chromecast Audio, the issue doesn't come up.

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3 comments

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  HiFiBerry team November 21, 2022 07:27

  This might happen with some services that do not have any way to feed back the current volume from the Pi to the service. In this case the service doesn't know about the volume change and might set the old volume again. In these cases, it's best to use the volume control of the service directly.

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  Benjamin A Knibbe November 21, 2022 11:47

  A device connected via optical is not able to receive volume feedback, meaning it doesn't care if the volume in the HiFiBerry OS is changed. It's a software issue, no?

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  HiFiBerry team November 21, 2022 11:57

  If you think this is a bug, please create a clear bug report here:
  https://github.com/hifiberry/hifiberry-os/issues/new/choose
  
  Make sure you describe it in a way we can reproduce it easily. Bluetooth is a not a good way as different BT devices can act very differently. But if you can reproduce it using SPDIF, this might be easier to work with.