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

Aryeh Friedman aryeh.friedman at
Thu Jul 15 08:21:51 UTC 2021

On Thu, Jul 15, 2021 at 4:09 AM Tomasz CEDRO <tomek at> wrote:

> 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?

Already tried that (should of mentioned it in the original post)
Aryeh M. Friedman, Lead Developer,

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