How to turn HDMI video off but keep audio on (slightly OT?)

Tomasz CEDRO tomek at
Thu Jul 15 08:09:03 UTC 2021

there is /dev/dsp for each audio sink. have you tried cat /dev/random
>/dev/dspN for N=0,1,.. and check wherher noise is produced over hdmi when
monitor is enabled/disabled in/without WM?


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