Hi. I bought a Phat DAC (PI62991), have not received it yet but I have a question.
Is there a way through software, when playing a sound, to control the sound level? Say, if I'll play an MP3, is it possible through command line to adjust level of that sound, which will leave phat dac?
Thing is, my amp doesn't have volume adjustment, and my speakers do not have it as well. There is no way I can put a mechanical potentiometer to be adjusted by hand (the box will be unreachable). I had high hopes, when I bought it, that I can use my own script to bring the sound level up and down remotely. Now, more I try to read, it seem impossible. Or am I not correct?
Thus, am I understanding correctly, there is nothing I can do to adjust the level through SSH command line?
PS: Also, as a second question, what is the best way to unite left and right channels into mono? Should I put resisters or diodes to make sure one channel does not feed back into another, or it is not an issue?