Add Chebyshev, Inverse Chebyshev, and Elliptical Filters to Equalizer
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- Dominant language
- C++
- Stars
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Description
I think this would be a fun addition to the current 1.2 Equalizer.
The current filter used is Butterworth. If we were to add the other ones as options, that would allow for some interesting uses, not to mention some absurdly steep filter slopes!
I've already spent... a lot of hours researching trying to figure out how to add this, but I haven't had much luck. Here's the guide that was used for the current LMMS 1.2 Equalizer: http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Locate the current 1.2 Equalizer implementation and identify how its Butterworth filter is exposed and configured. Read the linked Audio EQ Cookbook guide and compare the requirements for Chebyshev, inverse Chebyshev, and elliptical filters. Done means the Equalizer offers these filter types as usable options with appropriate behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- audio-video-rtc
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100