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Author Topic: DAC Filter Impulse Response  (Read 220 times)

Tranquility Bass

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DAC Filter Impulse Response
« on: March 08, 2021, 12:43:41 PM »
Test Methodology:

In this test we excite the DAC with a 1KHz impulse train at -3dBFS and observe the impulse response on a scope for each of the seven different reconstruction filters available in the DAC settings menu.

Test Results:


Conclusion:

« Last Edit: March 11, 2021, 10:39:07 AM by Tranquility Bass »
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Tranquility Bass

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1: Fast roll-off, linear phase filter
« Reply #1 on: March 08, 2021, 12:45:12 PM »




« Last Edit: March 11, 2021, 10:30:53 AM by Tranquility Bass »
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Tranquility Bass

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2: Slow roll-off, linear phase filter
« Reply #2 on: March 08, 2021, 12:46:08 PM »


« Last Edit: March 11, 2021, 10:31:36 AM by Tranquility Bass »
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Tranquility Bass

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3: Fast roll-off, minimum phase filter
« Reply #3 on: March 08, 2021, 12:46:36 PM »


« Last Edit: March 11, 2021, 10:32:02 AM by Tranquility Bass »
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4: Slow roll-off, minimum phase filter
« Reply #4 on: March 08, 2021, 12:47:04 PM »



« Last Edit: March 11, 2021, 10:32:26 AM by Tranquility Bass »
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Tranquility Bass

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5: Apodizing, fast roll-off, linear phase filter
« Reply #5 on: March 08, 2021, 12:47:34 PM »




« Last Edit: March 11, 2021, 10:32:48 AM by Tranquility Bass »
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Tranquility Bass

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6: Hybrid, fast roll-off, minimum phase filter
« Reply #6 on: March 08, 2021, 12:47:53 PM »


« Last Edit: March 11, 2021, 10:33:10 AM by Tranquility Bass »
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Tranquility Bass

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7: Brickwall filter
« Reply #7 on: March 08, 2021, 12:48:11 PM »


« Last Edit: March 11, 2021, 10:33:31 AM by Tranquility Bass »
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