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Megaemce edited this page Nov 21, 2023 · 8 revisions

Biquad filter

Description:

  • Second order IIR filter. It is high enough order to be useful on its own, and - because of coefficient sensitivities in higher order filters - the biquad is often used as the basic building block for more complex filters

Options:

  • Type list: Filtering algorithm the node is implementing

Parameters:

Note

Since each parameter has a different meaning, depending on the type of filtering algorithm, please check the parameter hint in the live version for a better description.

  • Frequency
  • Detune
  • Q
  • Gain

Code:

Input-output type:

  • Input & Output

Convoler

Description:

  • Takes the sonic properties of a real-world object (acoustic space, analog equipment, etc.) and applies them to a given signal to mimic the sound of the original device/space

Options:

  • IR list: Different types of preloaded IR
  • Normalizer: Apply a fixed amount of gain to audio so that the highest peak is set at the highest acceptable recording level

Code:

Input-output type:

  • Input & Output

Crossfade

Description:

  • Makes smooth transition between the two inputs. If more inputs will be added first one will be dropped and replaced by second. The new input will become second track.

Parameters:

  • Ratio: Crossfade ratio between input one and two. 0 is full first, 100 is full second

Code:

Input-output type:

  • Input & Output

Delay

Description:

  • Records audio signal and then reproduces at a time delay

Parameters:

  • Delay time: Number of seconds by which the signal will be delayed

Code:

Input-output type:

  • Input & Output

Dynamics compressor

Description:

  • Reduces the volume of loud sounds or amplifies quiet sounds, thus reducing or compressing an audio signal's dynamic range

Parameters:

  • Threshold: The level at which a dynamics processing unit will begin to change the gain of the incoming signal
  • Knee: Determines how abruptly or gradually compression begins once the sound level crosses the threshold
  • Ratio: The amount of gain reduction. Input level over this amount dB will be reduced by 1dB over the threshold
  • Attack: The point where the sound begins and increases in volume to its peak
  • Release: The rate at which the volume drops to zero as the sound stops playing

Code:

Input-output type:

  • Input & Output

Envelope

Description:

  • Describes how sound changes over time. When connected to a parameter, it works like a looper

Parameters:

  • Delay: Number of second by which envelope start will be delayed
  • Attack: Time taken for initial run-up of level from nil to peak, beginning when the key is pressed
  • Decay: Time taken for the subsequent run down from the attack level to the designated sustain level
  • Sustain: Level during the main sequence of the sound's duration, until the key is released
  • Hold: Number of second by which sound will be played on the sustain level
  • Release: Time taken for the level to decay from the sustain level to zero after the key is released

Code:

Input-output type:

  • Output (parameter only)

Equalizer

Description:

  • Adjusting the volume of different frequency bands within an audio signal

Parameters:

  • XXXHZ: Boost or an attenuation of frequency XXXHz
  • Band width: Controls the width of the frequency band. The greater the value, the larger the frequency band

Code:

Input-output type:

  • Input & Output

Gain

Increases audio signal strength

Parameters:

  • Gain: Multiplication of sound volume

Code:

Input-output type:

  • Input & Output

Stereo panner

Description:

  • Pans an audio stream left or right

Parameters:

  • Pan: Amount of panning to apply. Full left pan is -1 and full right pan is 1

Code:

Input-output type:

  • Input & Output

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