56 lines
2.2 KiB
Markdown
56 lines
2.2 KiB
Markdown
# Diopser
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You were expecting Disperser[¹](#disperser), but it was me, Diopser!
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Diopser lets you rotate the phase of a signal around a specific frequency
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without affecting its spectral content. This effect can be used to emphasize
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transients and other parts of a sound that in a way that isn't possible with
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regular equalizers or dynamics processors, especially when applied to low
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pitched or wide band sounds. More extreme settings will make everything sound
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like a cartoon laser beam, or a psytrance kickdrum.
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This is a port of https://github.com/robbert-vdh/diopser with more features and
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much better performance.
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<sup id="disperser">
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*Disperser is a trademark of Kilohearts AB. Diopser is in no way related to
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Disperser or Kilohearts AB.
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</sup>
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## Tips
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- Alt+click on the spectrum analyzer to enter to enter a frequency value in
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Hertz or musical notes.
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- Hold down Alt/Option while dragging the filter frequency around to snap to
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whole notes.
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- Because this plugin lets you crank every parameter up to 11, you may want to
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avoid rapidly sweeping the frequency parameter down all the way to 5 Hertz
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when you have many filter stages enabled. Because of the way these filters
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work, this may cause comparatively loud resonances in the 0-15 Hertz range. In
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that case you may want to use a peak limiter after this plugin until you
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understand how it reacts to different changes. Or maybe you'll want to check
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out [Safety Limiter](../safety_limiter), which is made for this exact purpose.
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## Download
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You can download the development binaries for Linux, Windows and macOS from the
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[automated
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builds](https://github.com/robbert-vdh/nih-plug/actions/workflows/build.yml?query=branch%3Amaster)
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page. Or if you're not signed in on GitHub, then you can also find the latest nightly
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build [here](https://nightly.link/robbert-vdh/nih-plug/workflows/build/master).
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On macOS you may need to [disable
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Gatekeeper](https://disable-gatekeeper.github.io/) as Apple has recently made it
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more difficult to run unsigned code on macOS.
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### Building
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After installing [Rust](https://rustup.rs/) with the nightly toolchain (because
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of the use of SIMD), you can compile Diopser as follows:
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```shell
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cargo +nightly xtask bundle diopser --release
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```
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