Audacity Forum

Strangely enough, disabling OSS emulation support in the kernel seems to have solved the problem.

Is it possible to configure Audacity not to automatically scan for new devices at startup? No. Audacity needs to scan the sound system so that it can populate the options in the Device Toolbar. It may help you to debug the problem by forcing Audacity to rescan. That option is near the bottom of the...

The problem is not dmix not working (like I said it does work), but the fact that every time I start Audacity it's attempting to use the sound card directly even when it's not selected. I don't know if it happens when scanning for the devices, but since no other program I use does this I don't see h...

Audacity 2.2.2, 64-bit Gentoo.

It's still selected in the toolbar for me as well, but I have to reselect it (switch to any other device and then back to dmix) for Audacity to actually start using it.

Or maybe Audacity is using it but also reserves the physical device at startup for no reason?

I'm using an USB sound card that has dmix disabled by default, so I've manually created a dmix device in asound.conf, made my USB sound card its slave and set the dmix sevice as the default output device. With this setup all of my other programs output to the dmix device, but Audacity always attempt...