Hi Tim
Yes, I found it all rather confusing when I first started looking at it,
but it's not too bad.
So, the default asound.conf looks like
Code:
--------------------
# default - Generated by piCorePlayer
pcm.!default {
type plug
slave.pcm "hw:0,0"
}
pcm.pcpinput {
type hw
card Headphones
device 0
}
#---ALSA EQ Below--------
pcm.sound_device {
type plug
slave.pcm {
type hw
card Headphones
device 0
}
}
ctl.equal {
type equal;
controls "/home/tc/.alsaequal.bin"
library "/usr/local/lib/ladspa/caps.so"
}
pcm.plugequal {
type equal;
slave.pcm "sound_device";
controls "/home/tc/.alsaequal.bin"
library "/usr/local/lib/ladspa/caps.so"
}
pcm.equal {
type plug;
slave.pcm plugequal;
}
--------------------
The first bit
Code:
--------------------
pcm.!default {
type plug
slave.pcm "hw:0,0"
}
--------------------
creates a default device for alsa to use if no device is specified. The
UI in the Extras\asound modifies this device. BTW, that's why is says
that the entry for output on the squeezelite page must be blank - so
that default is used.
However, I think it's easier if you're going to edit asound anyway, to
create a new device specifically for mono. So, take the default
asound.conf (use the above maybe if you've messed around with it to
start from scratch), edit it and add
Code:
--------------------
pcm.HifiBerryDevice {
type plug
slave.pcm {
type hw
card sndrpihifiberry;
device 0
}
}
pcm.HifiBerryMono {
type plug;
slave.pcm HifiBerryDevice;
ttable {
0.0 0.5 # L(0) to L(0) at 0.5 volume
1.0 0.5 # R(1) to L(0) at 0.5 volume
0.1 0.5 # L(0) to R(1) at 0.5 Volume
1.1 0.5 # R(1) to R(1) at 0.5 Volume
}
}
--------------------
The devices in asound.conf build on top of each other. So, this creates
a device called HifiBerryDevice, which refers to the underlying hardware
you have (I have the same one). Then, on top of that, it creates a
device called HifiBerryMono, which creates the mapping table.
Add that to asound.conf, save it, then go to the main page and do a
Backup (to keep the changes) and Restart to restart Squeezelite. Then,
if you look at the Squeezelite Settings page, and click on more next to
output settings, you'll see a new device called HifiBerryMono available
to choose. Select that, save it, and you should be good to go.
If you just want volume from the right speaker, you could change the
mapping table to
Code:
--------------------
0.0 0 # L(0) to L(0) at 0 volume
1.0 0 # R(1) to L(0) at 0 volume
0.1 0.5 # L(0) to R(1) at 0.5 Volume
1.1 0.5 # R(1) to R(1) at 0.5 Volume
--------------------
but maybe start with dual mono to check it's working.
I'm no huge expert in this - just my findings from fiddling around.
pete S
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