AKToneFilter

open class AKToneFilter: AKNode, AKToggleable, AKComponent, AKInput

A first-order recursive low-pass filter with variable frequency response.

  • Four letter unique description of the node

    Declaration

    Swift

    public static let ComponentDescription = AudioComponentDescription(effect: "tone")
  • Ramp Time represents the speed at which parameters are allowed to change

    Declaration

    Swift

    @objc open dynamic var rampTime: Double = AKSettings.rampTime
  • The response curve’s half-power point, in Hertz. Half power is defined as peak power / root 2.

    Declaration

    Swift

    @objc open dynamic var halfPowerPoint: Double = 1_000.0
  • Tells whether the node is processing (ie. started, playing, or active)

    Declaration

    Swift

    @objc open dynamic var isStarted: Bool
  • Initialize this filter node

    Declaration

    Swift

    public init(
            _ input: AKNode? = nil,
            halfPowerPoint: Double = 1_000.0)

    Parameters

    input

    Input node to process

    halfPowerPoint

    The response curve’s half-power point, in Hz. Half power is defined as peak power / root 2.

  • Function to start, play, or activate the node, all do the same thing

    Declaration

    Swift

    @objc open func start()
  • Function to stop or bypass the node, both are equivalent

    Declaration

    Swift

    @objc open func stop()