sunny25a wrote:
> Hi all,
>
> I'm very new to Linux and hopefully this question is not too stupid.
> I've installed DEBIAn on a Rasperry PI 2 and also installed the LMS and
> squeezelite Player. Works really good :-) Now I extended the system to
> several rooms and in 2 of the rooms (bathroom) I just have one speaker.
> I use a Rasperry with a HifiBerry DAC on TOP that outputs the signal via
> SPDIF. As I just have one speaker the signal have to be converted to
> MONO - but how? I know that you can convert a stereo analogue singal
> easy to two mono signals (small box 10 $). Buit on SPDIF, no idea if
> that is possible?
>
> The other idea was to do that on the software but to be hones I do not
> know how. If that's possible do I have to do that on the OS side or in
> the player?
>
> Appreciate any advise
>
> Thanks Alex
Hi Alex,
You need to read up about ALSA. Here is an example of my asound.conf
that gives mono on my Raspberry Pi B+. There are some many variables
though and it may not work you your setup, but it should point you in
the right direction. I haven't tested it on a I2S DAC.
Code:
--------------------
# mono - Generated by piCorePlayer
pcm.!default {
type route
slave.pcm hw
ttable {
0.1 1
0.0 1
1.0 1
1.1 1
}
}
--------------------
regards
Greg
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