class RemiAudio::DSP::MVerb

• RemiAudio::DSP::MVerb
• RemiAudio::DSP::Reverb
• Reference
• Object

Overview

Implements a reverb effect.

This is a port of MVerb, a studio quality, open-source reverb based on a figure-of-eight structure.

Defined in:

remiaudio/dsp/reverbs/mverb-classes.cr
remiaudio/dsp/reverbs/mverb-presets.cr
remiaudio/dsp/reverbs/mverb.cr

Constant Summary

BANDWIDTH_FREQ_MAX = 1.0

BANDWIDTH_FREQ_MIN = 0.0

DAMPING_FREQ_MAX = 1.0

DAMPING_FREQ_MIN = 0.0

DECAY_MAX = 1.0

DECAY_MIN = 0.0

DEFAULT_BANDWIDTH_FREQ = 0.5

DEFAULT_DAMPING_FREQ = 0.5

DEFAULT_DECAY = 0.5

DEFAULT_DENSITY = 0.5

DEFAULT_EARLY_LATE_MIX = 0.5

DEFAULT_GAIN = 1.0

DEFAULT_MIX = 0.5

DEFAULT_PREDELAY = 0.5

DEFAULT_SIZE = 0.5

DENSITY_MAX = 1.0

DENSITY_MIN = 0.0

EARLY_LATE_MIX_MAX = 1.0

EARLY_LATE_MIX_MIN = 0.0

GAIN_MAX = 1.0

GAIN_MIN = 0.0

MIX_MAX = 1.0

MIX_MIN = 0.0

PREDELAY_MAX = 1.0

PREDELAY_MIN = 0.0

PRESETS = {PresetNames::GmDefault => Preset.new(dampingFreq: 0.59, density: 0.469, bandwidthFreq: 0.688, decay: 0.5084, predelay: 0.0, size: 0.69, gain: 0.5, mix: 1.0, earlyLateMix: 0.795), PresetNames::GmDefault2 => Preset.new(dampingFreq: 0.69, density: 0.425, bandwidthFreq: 0.785, decay: 0.5036, predelay: 0.0, size: 0.42, gain: 0.5, mix: 1.0, earlyLateMix: 0.79), PresetNames::Subtle => Preset.new(dampingFreq: 0.0, density: 0.5, bandwidthFreq: 1.0, decay: 0.5, predelay: 0.0, size: 0.5, gain: 1.0, mix: 0.15, earlyLateMix: 0.75), PresetNames::Stadium => Preset.new(dampingFreq: 0.0, density: 0.5, bandwidthFreq: 1.0, decay: 0.5, predelay: 0.0, size: 1.0, gain: 1.0, mix: 0.35, earlyLateMix: 0.75), PresetNames::Cupboard => Preset.new(dampingFreq: 0.0, density: 0.5, bandwidthFreq: 1.0, decay: 0.5, predelay: 0.0, size: 0.25, gain: 1.0, mix: 0.35, earlyLateMix: 0.75), PresetNames::Dark => Preset.new(dampingFreq: 0.9, density: 0.5, bandwidthFreq: 0.1, decay: 0.5, predelay: 0.0, size: 0.5, gain: 1.0, mix: 0.5, earlyLateMix: 0.75), PresetNames::Halves => Preset.new(dampingFreq: 0.5, density: 0.5, bandwidthFreq: 0.5, decay: 0.5, predelay: 0.5, size: 0.75, gain: 1.0, mix: 0.5, earlyLateMix: 0.5), PresetNames::Hall => Preset.new(dampingFreq: 0.79, density: 0.785, bandwidthFreq: 0.555, decay: 0.675, predelay: 0.0105, size: 1.0, gain: 1.0, mix: 0.32, earlyLateMix: 0.69), PresetNames::SubtleHall => Preset.new(dampingFreq: 0.59, density: 0.525, bandwidthFreq: 0.685, decay: 0.599, predelay: 0.007, size: 0.655, gain: 1.0, mix: 0.15, earlyLateMix: 0.78)}

Pre-constructed Preset instances for MVerb that correspond to the names in PresetNames.

SIZE_MAX = 1.0

SIZE_MIN = 0.0

Constructors

• .new(newSampleRate : Number)

Class Method Summary

• .checkBandwidthFreq(value) : Nil

  Checks if value is a valid bandwidth frequency value.

• .checkDampingFreq(value) : Nil

  Checks if value is a valid damping value.

• .checkDecay(value) : Nil

  Checks if value is a valid decay value.

• .checkDensity(value) : Nil

  Checks if value is a valid density value.

• .checkEarlyLateMix(value) : Nil

  Checks if value is a valid early/late mix value.

• .checkGain(value) : Nil

  Checks if value is a valid gain value.

• .checkMix(value) : Nil

  Checks if value is a valid mix value.

• .checkPredelay(value) : Nil

  Checks if value is a valid predelay value.

• .checkSize(value) : Nil

  Checks if value is a valid size value.

Instance Method Summary

• #bandwidthFreq : Float64
• #bandwidthFreq=(value : Float64) : Float64
• #dampingFreq : Float64
• #dampingFreq=(value : Float64) : Float64
• #decay : Float64
• #decay=(value : Float64) : Float64
• #density : Float64
• #density=(value : Float64) : Float64
• #earlyLateMix : Float64
• #earlyLateMix=(value : Float64) : Float64
• #gain : Float64
• #gain=(value : Float64) : Float64
• #mix : Float64
• #mix=(value : Float64) : Float64
• #mute : Nil
• #predelay : Float64
• #predelay=(value : Float64) : Float64
• #process(inputLeft : Array(Float64) | Slice(Float64), inputRight : Array(Float64) | Slice(Float64), outputLeft : Array(Float64) | Slice(Float64), outputRight : Array(Float64) | Slice(Float64)) : Nil

  Applies a reverb effect to inputLeft and inputRight, storing the 100% wet results in outputLeft and outputRight.

• #process(inputLeft : Array(Float32) | Slice(Float32), inputRight : Array(Float32) | Slice(Float32), outputLeft : Array(Float32) | Slice(Float32), outputRight : Array(Float32) | Slice(Float32)) : Nil

  Applies a reverb effect to inputLeft and inputRight, storing the 100% wet results in outputLeft and outputRight.

• #process(input : Array(Float64) | Slice(Float64), output : Array(Float64) | Slice(Float64)) : Nil

  Applies a reverb effect to the interleaved samples in input, storing the 100% wet results as interleaved samples in output.

• #process(input : Array(Float32) | Slice(Float32), output : Array(Float32) | Slice(Float32)) : Nil

  Applies a reverb effect to the interleaved samples in input, storing the 100% wet results as interleaved samples in output.

• #process(buffer : Array(Float32) | Slice(Float32), multiplier : Float32 = 1.0) : Nil

  Applies a reverb effect to the interleaved samples in buffer, mixing the the results back into buffer.

• #process(buffer : Array(Float64) | Slice(Float64), multiplier : Float64 = 1.0) : Nil

  Applies a reverb effect to the interleaved samples in buffer, mixing the the results back into buffer.

• #reset : Nil
• #sampleRate : Float64
• #sampleRate=(value : Number) : Float64
• #size : Float64
• #size=(value : Float64) : Float64
• #usePreset(preset : Reverb::Preset) : Nil

Constructor Detail

Class Method Detail

Instance Method Detail