         defaultValue: 5.0,
         range: 0 ... 200,
         unit: .hertz)
-    
+
     /// Voice Vibrato speed (Hz)
     @Parameter(voiceVibratoFrequencyDef) public var voiceVibratoFrequency: AUValue
 

        range: 0 ... 10,
        unit: .seconds,
        flags: nonRampFlags)
    
    /// Filter Amplitude attack duration (seconds)
    @Parameter(filterAttackDurationDef) public var filterAttackDuration: AUValue

    
    /// Specification details for filterDecayDuration
    public static let filterDecayDurationDef = NodeParameterDef(
        identifier: "filterDecayDuration",

        range: 0 ... 1,
        unit: .generic,
        flags: nonRampFlags)

    /// Filter Amplitude sustain level (fraction)
    @Parameter(filterSustainLevelDef) public var filterSustainLevel: AUValue

