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Rearrange compressor and threshold parameters

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This commit is contained in:
Robbert van der Helm 2022-07-22 15:48:06 +02:00
parent 70f50018ad
commit 2658404162
1 changed files with 20 additions and 20 deletions
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40
plugins/spectral_compressor/src/compressor_bank.rs
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@ -19,17 +19,17 @@ use nih_plug::prelude::*;
#[derive(Params)]
pub struct ThresholdParams {
// TODO: Sidechaining
/// The compressor threshold at the center frequency. When sidechaining is enabled, the input
/// signal is gained by the inverse of this value. This replaces the input gain in the original
/// Spectral Compressor. In the polynomial below, this is the intercept.
#[id = "input_db"]
threshold_db: FloatParam,
/// The center frqeuency for the target curve when sidechaining is not enabled. The curve is a
/// polynomial `threshold_db + curve_slope*x + curve_curve*(x^2)` that evaluates to a decibel
/// value, where `x = log2(center_frequency) - log2(bin_frequency)`. In other words, this is
/// evaluated in the log/log domain for decibels and octaves.
#[id = "thresh_center_freq"]
center_frequency: FloatParam,
/// The compressor threshold at the center frequency. When sidechaining is enabled, the input
/// signal is gained by the inverse of this value. This replaces the input gain in the original
/// Spectral Compressor. In the polynomial above, this is the intercept.
#[id = "input_db"]
threshold_db: FloatParam,
/// The slope for the curve, in the log/log domain. See the polynomial above.
#[id = "thresh_curve_slope"]
curve_slope: FloatParam,
@ -86,6 +86,20 @@ pub struct CompressorBankParams {
impl Default for ThresholdParams {
fn default() -> Self {
ThresholdParams {
center_frequency: FloatParam::new(
"Threshold Center",
500.0,
FloatRange::Skewed {
min: 20.0,
max: 20_000.0,
factor: FloatRange::skew_factor(-2.0),
},
)
// This includes the unit
.with_value_to_string(formatters::v2s_f32_hz_then_khz(0))
.with_string_to_value(formatters::s2v_f32_hz_then_khz()),
// These are polynomial coefficients that are evaluated in the log/log domain
// (octaves/decibels). The threshold is the intercept.
threshold_db: FloatParam::new(
"Global Threshold",
0.0,
@ -96,20 +110,6 @@ impl Default for ThresholdParams {
)
.with_unit(" dB")
.with_step_size(0.1),
center_frequency: FloatParam::new(
"Threshold Center",
500.0,
FloatRange::Skewed {
min: 20.0,
max: 20_000.0,
factor: FloatRange::skew_factor(-1.0),
},
)
// This includes the unit
.with_value_to_string(formatters::v2s_f32_hz_then_khz(0))
.with_string_to_value(formatters::s2v_f32_hz_then_khz()),
// These are polynomial coefficients that are evaluated in the log/log domain
// (octaves/decibels). The threshold is the intercept.
curve_slope: FloatParam::new(
"Threshold Slope",
0.0,
@ -128,7 +128,7 @@ impl Default for ThresholdParams {
max: 24.0,
},
)
.with_unit(" dB/oct^2")
.with_unit(" dB/oct²")
.with_step_size(0.1),
}
}