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Old 02-14-2020, 09:32 PM   #1
Registered: May 2008
Location: Brooklyn ZOO
Distribution: Slackware64 14.2
Posts: 514

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Pulseaudio defaults not working for USB DAC, but fine in Windows, Ubuntu, MacOS

Currently on my Slackware64 14.2 system I cannot get my USB DAC working at all unless I set the sample rate to 48000Hz in daemon.conf using 'default-sample-rate = 48000'. the output of iecset on my system shows

control "IEC958 Playback Default" (index -1) not found

however if I run this on Ubuntu Live I actually output except the rate is 44100 Hz. I've tried looking on the Ubuntu Live system and do not see anything changed with daemon.conf and the sample rate still seems to be set to 44100Hz. any idea what I might be missing so that the system matches that of Ubuntu's configuration?
Old 02-15-2020, 06:04 PM   #2
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Registered: Jul 2017
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Distribution: Slackware
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It would be interesting to know what kernel & alsa & pulseaudio versions you are running in Ubuntu Live, I guess they're newer (latest) than what you get in the stable Slackware64 14.2.
You could try running Slackware Live and test your desired configuration:
If it works, maybe you should use Slackware -current instead of Slackware64 14.2

These are some relevant links I found looking after your reported issue (basically, you can try the advice you find there on your Slackware system ):
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