Equalizer Blocks Audio with Peak or Shelf Frequency Connected to Random LFO Controller
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- Dominant language
- C++
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Description
If the frequency control on an equalizer's peak or shelf (filters 2-7) is connected to an LFO controller set to random, the gain of the peak or shelf is not set to 0, and audio passes through it, the EQ will block the entire audio signal. This only seems to happen if the amount on the LFO is set to 0.44 or higher, and slightly lower values than that create artifacts. Even after the controller is disconnected, the EQ still blocks the audio. This doesn't happen with the highpass and lowpass filters, and no other EQ controls seem to have this problem.
Using Windows 10 Home and LMMS 1.2.0 Stable
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Research direction
Reproduce the issue in LMMS 1.2.0 using an equalizer peak or shelf filter 2-7, a random LFO connected to frequency, and an amount of 0.44 or higher. Compare the behavior with highpass and lowpass filters, then verify that audio continues after disconnecting the controller and that lower amounts do not produce artifacts.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- audio-video-rtc
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100