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mfcc64
searching PlanetScale…
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7 ms
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31.
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by
mfcc64
5y ago
> So this is some sort of compromise to increase speed? Partially. The main purpose is to increase time domain accuracy on low frequency. If you want to do experiment on window length (in time domain), use ffmpeg showcqt filter ( https:&
32.
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by
mfcc64
5y ago
linear STFT's window length in time domain = k (constant) CQT's window length in time domain = k/f showcqt-js window length in time domain = a * b / (a / c + b * f / (1 - c)) + a * b / (b * f / c + a
33.
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by
mfcc64
5y ago
No, I don't use autocorrelation. Of course, it isn't a pitch detection software.
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by
mfcc64
5y ago
For a website, probably you want to try this example at https://mfcc64.github.io/html5-showcqtbar/
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by
mfcc64
5y ago
The visualization engine is showcqt-js ( https://github.com/mfcc64/showcqt-js ). It is a javascript port of ffmpeg showcqt (Show Constant Q Transform). Probably, more correct name is Variable Q Transform.
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by
mfcc64
5y ago
Can you detect notes with missing fundamental?
37.
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by
mfcc64
5y ago
Thank's :).
38.
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by
mfcc64
5y ago
I'll be glad if someone ports it to Audacity.
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by
mfcc64
5y ago
>Why does the extension on Firefox block AV1 by default? It seems unrelated to the purpose of the extension. Because AV1's decoding is slow and on some low-end hardware it makes the animation stutter. > Also have you considered c
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by
mfcc64
5y ago
Thank's for the support.
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by
mfcc64
5y ago
Actually, you can use mpv player and install visualizer.lua on mpv-scripts repository. The engine of YouTube Musical spectrum (showcqt-js) is a javascript port of ffmpeg showcqt filter.
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Show HN: YouTube Musical Spectrum – visualizer for YouTube with musical notes
(github.com)
72 points
by
mfcc64
5y ago
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32 comments