Xonar Essence STX ii recording - no info above 22KHz - diyAudio
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Old 30th April 2016, 09:35 PM   #1
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Default Xonar Essence STX ii recording - no info above 22KHz

Asus' web specs say this card will record at multiple sample rates including 96KHz and 192KHz. When used with Adobe Audition under Win10 or Audacity under Xubuntu 16.04, the files are at a higher sample rate, but there is ZERO information above a sharp 22KHz cutoff. It's as if the card itself is operating the analog-digital conversion at a lower rate and/or stripping info. See screenshot or spectral analysis.

Can anyone say they've seen the same (or something different?)

I did not see this behavior with my older M-audio Delta 24/96.
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Old 1st May 2016, 08:32 AM   #2
phofman is offline phofman  Czech Republic
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You xubuntu screenshot shows "pulse" input device. IMO you are running the recording at 44.1kHz (default pulseaudio rate).

Try to choose another input device - at best hw:XXX or plughw:XXX
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