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Like a ScaledEnvelope with frequency

summary (oneliner)

FrequencyEnvelope is a ScaledEnvelope, but instead of min and max it’s got a baseFrequency and octaves parameter.

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Inputs

Base Frequency (Number)

The envelope's mininum output value. This is the value which it starts at


Octaves (Number)

The number of octaves above the baseFrequency that the envelope will scale to


Attack (Number)

When triggerAttack is called, the attack time is the amount of time it takes for the envelope to reach it's maximum value.


Decay (Number)

After the attack portion of the envelope, the value will fall over the duration of the decay time to it's sustain value


Sustain (Number)

The sustain value is the value which the envelope rests at after triggerAttack is called, but before triggerRelease is invoked


Release (Number)

After triggerRelease is called, the envelope's value will fall to it's miminum value over the duration of the release time


Attack Curve (Number)

The shape of the attack


Release Curve (Number)

The shape of the release


Exponent (Number)

The envelope's exponent value


Outputs

Audio Out (Object)

The signal


Credits

  • Uses library: Tone.js (Webaudio Library)

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Examples using FrequencyEnvelope

Public Patches using FrequencyEnvelope