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Ultimate-Preamplifier by Analog-Precision
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DAC Filter Impulse Response
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Topic: DAC Filter Impulse Response (Read 1385 times)
Tranquility Bass
Analog-Precision
Administrator
Sr. Member
Posts: 289
DAC Filter Impulse Response
«
on:
March 08, 2021, 10:43:41 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:
Fast roll-off, linear phase filter
Slow roll-off, linear phase filter
Fast roll-off, minimum phase filter
Slow roll-off, minimum phase filter
Apodizing, fast roll-off, linear phase filter
Hybrid, fast roll-off, minimum phase filter
Brickwall filter
Conclusion:
Logged
"The only thing necessary for the triumph of evil is for good men to do nothing"
-John Stuart Mill,
Tranquility Bass
Analog-Precision
Administrator
Sr. Member
Posts: 289
1: Fast roll-off, linear phase filter
«
Reply #1 on:
March 08, 2021, 10:45:12 PM »
Logged
"The only thing necessary for the triumph of evil is for good men to do nothing"
-John Stuart Mill,
Tranquility Bass
Analog-Precision
Administrator
Sr. Member
Posts: 289
2: Slow roll-off, linear phase filter
«
Reply #2 on:
March 08, 2021, 10:46:08 PM »
Logged
"The only thing necessary for the triumph of evil is for good men to do nothing"
-John Stuart Mill,
Tranquility Bass
Analog-Precision
Administrator
Sr. Member
Posts: 289
3: Fast roll-off, minimum phase filter
«
Reply #3 on:
March 08, 2021, 10:46:36 PM »
Logged
"The only thing necessary for the triumph of evil is for good men to do nothing"
-John Stuart Mill,
Tranquility Bass
Analog-Precision
Administrator
Sr. Member
Posts: 289
4: Slow roll-off, minimum phase filter
«
Reply #4 on:
March 08, 2021, 10:47:04 PM »
Logged
"The only thing necessary for the triumph of evil is for good men to do nothing"
-John Stuart Mill,
Tranquility Bass
Analog-Precision
Administrator
Sr. Member
Posts: 289
5: Apodizing, fast roll-off, linear phase filter
«
Reply #5 on:
March 08, 2021, 10:47:34 PM »
Logged
"The only thing necessary for the triumph of evil is for good men to do nothing"
-John Stuart Mill,
Tranquility Bass
Analog-Precision
Administrator
Sr. Member
Posts: 289
6: Hybrid, fast roll-off, minimum phase filter
«
Reply #6 on:
March 08, 2021, 10:47:53 PM »
Logged
"The only thing necessary for the triumph of evil is for good men to do nothing"
-John Stuart Mill,
Tranquility Bass
Analog-Precision
Administrator
Sr. Member
Posts: 289
7: Brickwall filter
«
Reply #7 on:
March 08, 2021, 10:48:11 PM »
Logged
"The only thing necessary for the triumph of evil is for good men to do nothing"
-John Stuart Mill,
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Analog-Precision Board
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Ultimate-Preamplifier by Analog-Precision
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DAC Filter Impulse Response
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