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Use PFFFT for spectrogram calculation #5880

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saintmatthieu opened this issue Jan 22, 2024 · 0 comments · May be fixed by #5960
Open

Use PFFFT for spectrogram calculation #5880

saintmatthieu opened this issue Jan 22, 2024 · 0 comments · May be fixed by #5960
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@Paul-Licameli
Labels
Enhancement Request Or feature requests. Open-ended requests are better suited for discussions.
Milestone
Audacity 3.6

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@saintmatthieu
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Your idea

Working on #5794, I could see that PFFFT might be 10 times faster than our custom RealFFTf function. At least it was a game changer in that PR.
Maybe using it for spectrum display isn't too difficult and would make it smoother.

Problem to be solved

Sometimes FFT spectrum display feels slow.

Prior art

No response

Additional context

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@saintmatthieu saintmatthieu added the Enhancement Request Or feature requests. Open-ended requests are better suited for discussions. label Jan 22, 2024
@saintmatthieu saintmatthieu linked a pull request Feb 16, 2024 that will close this issue
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@saintmatthieu saintmatthieu added this to the Audacity 3.5 milestone Feb 22, 2024
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@Paul-Licameli Paul-Licameli

Labels
Enhancement Request Or feature requests. Open-ended requests are better suited for discussions.
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Status: Review in Progress
Milestone
Audacity 3.6
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Use pffft in spectrogram Paul-Licameli/audacity
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@Paul-Licameli @saintmatthieu @LWinterberg