[pulseaudio-discuss] how to change default sound card using a command line ?
tanuk at iki.fi
Sat Nov 14 03:25:03 PST 2009
la, 2009-11-14 kello 10:04 +0000, Colin Guthrie kirjoitti:
> There is not really such a thing as a "default" audio card in PA. The
> term we use is usually "fallback" as this more accurately represents
> what it means. PA remembers each application's preferred device. Thus if
> you play something in e.g. mplayer and we've never seen an mplayer
> stream before, we will use the "fallback" device and then save that
> choice in a little database. The next time mplayer tries to play
> something, we first look to see if we've got a preferred device for
> mplayer and if so, we use it. In this second case the "fallback" device
> is not consulted.
> So, from the command line you can indeed set the fallback sink via the
> pacmd set-default-sink index|name
> But this will only really change the "fallback", e.g. all apps that have
> played before will continue using that device. If you want to change
> these previously stored preferences, the only tool that supports that
> currently is the gnome-volume-control. pavucontol does not update the
> individual application preferences either.
> Hope that clarifies things.
I think you've explained that at least three times by now ;) I created a
wiki page that you can hopefully use as a canned response in the future:
Please improve it if needed.
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