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ARTA To Test DAC Performance
ARTA To Test DAC Performance
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Old 19th September 2018, 06:00 PM   #1
GOR3 is online now GOR3  United States
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Default ARTA To Test DAC Performance

If you have used ARTA to measure a DAC's performance, I would be interested in your experience.
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Old 22nd September 2018, 02:52 AM   #2
Pano is offline Pano  United States
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ARTA To Test DAC Performance
I have. Use the spectrum FFT section. You can look at all sorts of things, single tones, high-mid-low, multi-tones, etc.
Of course you'll need a soundcard with an input to do the measuring. It becomes a little difficult to tell what is the DAC and what is the ADC. The compare overlay function can help there.

I'm sure some other folks will chime in.
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Old 22nd September 2018, 02:23 PM   #3
bolserst is offline bolserst  United States
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I posted some DAC measurements taken with ARTA a few years ago, including impulse response, tone bursts, and IMD. DACs were running at 44.1khz rate, and data was captured at 192kHz Juli@ sound card to try and minimize tainting the DAC behavior with the ADC response. For the DACs in CD players, I used ARTA to export *.wav file that was written to CD and then used ARTA's trigger/capture capability when playing it back. For the stand-alone DACs, you can just feed the signal directly from computer to DAC.

Practical Implementations of Alternative Post-DAC Filtering

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In case somebody might be interested in more details of the Pioneer Legato Link DAC see related posts:
Practical Implementations of Alternative Post-DAC Filtering: Post#322
Practical Implementations of Alternative Post-DAC Filtering: Post#326

Last edited by bolserst; 22nd September 2018 at 02:43 PM.
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Old 22nd September 2018, 10:03 PM   #4
Pano is offline Pano  United States
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ARTA To Test DAC Performance
Nice examples Bolserst. Thank you for posting those.
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