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[BUG] Incorrect DC blocker frequency response #77

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jatinchowdhury18 opened this issue Sep 7, 2020 · 1 comment · Fixed by #83
Closed

[BUG] Incorrect DC blocker frequency response #77

jatinchowdhury18 opened this issue Sep 7, 2020 · 1 comment · Fixed by #83
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@jatinchowdhury18
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bug Something isn't working
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v2.6

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@jatinchowdhury18
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Describe the bug
From user email:

When I added the plugin to a drum set with a really sub-heavy kick drum I noticed that it lost a lot of it's weight. It seems like there is a high pass filter at 70Hz at any settings with the plugin. I think it would be a great improvement if you removed this high pass filter. Here is a frequency analyzer graph of this:
image

Expected behavior
CHOW Tape should attenuate signals at DC, but not at audible low frequencies.

Desktop (please complete the following information):
Probably all versions.
@jatinchowdhury18 jatinchowdhury18 added the bug Something isn't working label Sep 7, 2020
@jatinchowdhury18 jatinchowdhury18 self-assigned this Sep 7, 2020
@jatinchowdhury18 jatinchowdhury18 added this to the v2.6 milestone Sep 7, 2020
@jatinchowdhury18 jatinchowdhury18 linked a pull request Sep 7, 2020 that will close this issue
Update DC blocker to 4th-order Butterworth HPF #83
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@jatinchowdhury18
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#83 Fixes this bug by upgrading the DC blocker to a 4th-order Butterworth HPF. The new frequency response stays with 1dB of unity down to 40 Hz.

DC_blocker_response

@bobobo199733 bobobo199733 mentioned this issue Mar 5, 2024
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Update DC blocker to 4th-order Butterworth HPF jatinchowdhury18/AnalogTapeModel
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@jatinchowdhury18