Created attachment 113100 [details] pacmd list-sinks > pacmd-list-sinks-1.log On OS X, pulseaudio attributes human-unreadable names to the sinks and sources it detects, and in addition to that, they vary across restarts for USB sound devices. They may also vary for other external sound devices (FireWire), but I don't have any way to test that. The attachments highlight the issue: they are the output of `pacmd list-sinks` for 2 consecutive runs of `pulseaudio -C`: > pulseaudio -C > pacmd list-sinks > pacmd-list-sinks-1.log > pulseaudio -C > pacmd list-sinks > pacmd-list-sinks-2.log > pacmd list-sources > pacmd-list-sources-2.log > pulseaudio -C > pacmd list-sinks > pacmd-list-sinks-3.log > pacmd list-sources > pacmd-list-sources-3.log The implications are clear: it's impossible to set a default sink and/or source persistently, other than to the internal devices.
Created attachment 113101 [details] pacmd list-sinks > pacmd-list-sinks-2.log
Created attachment 113102 [details] pacmd list-sources > pacmd-list-sinks-2.log
Comment on attachment 113102 [details] pacmd list-sources > pacmd-list-sinks-2.log that's `pacmd list-sources > pacmd-list-sourcess-2.log`, of course
Created attachment 113103 [details] pacmd list-sources > pacmd-list-sources-3.log
Created attachment 113104 [details] pacmd list-sinks > pacmd-list-sinks-3.log
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