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I use the cmus console music player through ssh on a device with OSMC (Kodi, based on Debian Jessie) installed. My problem is that the sound is played to the HDMI, and I want to play music to the jack output.

I tried to use alsamixer, amixer, aplay, etc... but these are not installed and sudo apt-get install alsamixer doesn't help. (Package not found - Maybe there's a better option than installing alsamixer anyway).

I tried to read man cmus, which seems to offer the possibility to change some alsa settings : link to the online manual page, but I don't understand which settings are relevant for me, nor which values to put... Anyway : cmus is maybe not the source of my issue.

How can I achieve what I want to, using only the terminal (I am through SSH) ?

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PS : I finally installed alsamixer (actually the package's name was alsa-utils). And results that my jack output is not recognised. But I know it is working since other programs use it.

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  • Do you run Pulseaudio (check with ps axu)? If no, alsamixer and amixer are in package alsa-utils. If yes, use pacmd (see pacmd help). – dirkt Feb 17 '18 at 14:45
  • No I don't. I have installed alsa-utils, but it doesn't help : I can't find my jack output port in order to select it – Johannes Lemonde Feb 17 '18 at 14:54
  • Hm. You wrote device, so what kind of device exactly? Maybe something exotic? Please edit question with output of lspci -nn | grep Audio, cat /proc/asound/pcm and lsmod | grep snd. – dirkt Feb 17 '18 at 15:00
  • My answer assumed you were on a raspberry pi, for some reason (osmc, hdmi, jack plug). if not, add the output of aplay --list-devices to your post. – meuh Feb 17 '18 at 15:21
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This article explains how you can dynamically switch the audio output between hdmi and analogue on a Raspberry Pi. From the command line use

amixer cset numid=3 2

for hdmi and

amixer cset numid=3 1

for analogue. You can generate a stereo test tone with another command from alsa-utils:

speaker-test -c 2 -s 1 -t sine -f 440
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