[pulseaudio-discuss] How to create a virtual microphone with source set as default monitor device?
sean at seangreenslade.com
Mon Sep 7 21:31:41 UTC 2020
On Mon, Sep 07, 2020 at 12:31:22AM -0700, guest271314 wrote:
> > There are a couple of options. One is to simply redirect the sink input
> > once it is opened (e.g. with pavucontrol).
> That option is used at
> For the pavucontrol option the next goal is to embed pavucontrol in an
> HTML document.
I doubt that will be possible. Pavucontrol makes use of the native
> > If you really need a non-monitor source device to be present, I think
> > your best option would be module-remap-source. It shouldn't be too hard
> > to come up with a "remap" that's just a passthrough:
> > https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Modules/#module-remap-source
> Chromium is expecting a microphone device. Currently if a monitor is
> set at command line the capture throws an exception, see
After reading through those bug reports and related issue links, it's
pretty clear that this is not a use case that they are particularly
interested in supporting. May I perhaps suggest using a different
browser? Firefox had no problem with monitor inputs last time I
> Have so far tried kernel module and null-sink without achieving
> capture of system audio.
> What is the command for the remap option for this case?
No idea, I've never done it myself. The example listed in the online
docs shows a simple stereo swap, so you could presumably adapt it by
switching the channels to be non-swapped (and of course substitute your
specific master source name).
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