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Solved: volume control bug when turning off DAC
#1
Hi,

First post.

I've recently installed Moode audio on a rpi4. The pi is connected to a Loxjie D30 DAC via USB, which I turn off when not in use to save power.

I've noticed that when the DAC has been off, and you turn it on and start playing, you can get into a situation where the volume is greater than zero, but reports as -127dB (normally -127dB would be volume level zero).

For example, the last time I turned on the DAC and hit play, moode's volume was at 97/-127dB. See attached screenshot.

When this happens no audio is heard until you touch the volume dial. My theory is that  the volume really is 0, just the volume dial UI hasn't updated. Perhaps moode sets newly attached devices to volume zero to avoid you blowing your head off with 100% volume?

Maybe you can repro this with other USB dacs by unplugging and re-plugging in the DAC?

It's not a big deal, but it did confuse me for a while, as I didn't know why I wasn't hearing anything. Ideally either the volume would restore to the last level it was at for this device, or 0 (but make sure the UI reflects that).

Cheers

P.S. Thank you for developing Moode


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volume control bug when turning off DAC - by vext01 - 03-03-2025, 08:51 PM

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