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Problem: No volume control over Bluetooth
#1
Hello Tim
I installed version 7.1.0 yesterday. For me, it is the best working version so far. But there is one point that is not usable to me. I have a turntable connected via Bluetooth. Unfortunately, the volume cannot be adjusted in that mode, or I don't know-how.
I am using the HIFIBerry Amp2 hat. Therefore there is no volume control via potentiometer.
Do you have any suggestions or ideas?
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#2
moOde's Bluetooth receiver function assumes the client (Smartphone, Tablet, etc) is responsible for controlling volume. I think Bluetooth turntables assume the receiver controls volume as would be the case for Bluetooth speakers.

Bluetooth receiver volume could prolly be added to moOde but it's not a trivial amount of work and so there would need to be some amount of demand for this to get it on the TODO list.
Enjoy the Music!
http://moodeaudio.org | http://twitter.com/MoodeAudio | http://github.com/moodeaudio
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#3
Thanks, Tim, for the quick answer. That means I have to go back to the old times and use an ordinary analog amplifier for the turntable. Wink
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#4
(04-07-2021, 03:00 PM)BitCoder Wrote: Thanks, Tim, for the quick answer. That means I have to go back to the old times and use an ordinary analog amplifier for the turntable. Wink

If it's just the lack of a physical volume control that is troubling you, then why not get a self-contained, USB-interfaced volume-control knob? One such example is the Drok that I use but there are others. 

These devices have been supported in moOde for some time. Look under Volume options in the Audio Config panel.

Regards,
Kent
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#5
I am coming back to this subject. After a long time, I have got the time to test a USB volume control as suggested. In general, it does work. But there is a problem when switching from the ordinary to the Bluetooth source. The volume changes to 100% for a short period. If the Bluetooth source already sends music, then you will be startled, and the loudspeaker might be damaged too.
Is there a way that the volume is set to 0% while switching the sources until the USB volume control is reread?
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#6
USB volume control is only for MPD.

Volume for a Bluetooth source is always set by the source. Set the source volume to 0 before connecting.
Enjoy the Music!
http://moodeaudio.org | http://twitter.com/MoodeAudio | http://github.com/moodeaudio
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