Equalizer: Enable the user to change the scale used in the analysis window
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- Dominant language
- C++
- Stars
- 10.4k
- Forks
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- Avg merge
- 2d 13h
- Merged PRs (30d)
- 7
Description
The analysis window of the Equalizer plugin shows the signal in a range of [-18 dB FS, 18 dB FS]. The lower bound of -18 dB FS is too high and can hide a lot of spectral content in the higher frequencies.
Here's an example of a saw wave that's played at A1:
As can be seen it looks like there is no spectral content above 1.5 kHz when in fact there is content up to 20 kHz.
One possible solution to this problem is to give the user the option to adjust the scale of the analysis window.
See #3530 for more details.
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
Start with the Equalizer plugin's analysis window and review issue #3530 for the related context. The work is done when users can adjust the displayed analysis scale and spectral content above 1.5 kHz is no longer hidden by the fixed range.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- audio-video-rtc
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100