WaveWarp 2.0 Component
      
Delays:
Controllable Variable Delay
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Functional Description
The audio output is a delayed version of the audio input,
with a delay length which varies in time according to the control input(s).
The maximum delay is adjusted in the Parameter Window, and the instantaneous
value of the delay is given by the product of the maximum delay and the value of the
control input(s). Stereo signals have separate delay settings for left and
right channels.
NOTE: With the appropriate settings and control input(s), this component can be used as a
building block for a
flanger or chorus effect, as well as for creating interesting and bizarre sounds.
Algorithm
The time-varying delay is implemented using a circular buffer with linear (first order) interpolation
to avoid discontinuities
(see
[Moore]
chapter 4.2.5 for further information).
See
[Roa] p.436-440
for an introduction to variable-time-delay-effects, and
[HRM]
for general information on audio effects.
Signal Implementations
| Audio signals | Control signals | Description |
|---|
| Single input single output mono-mono | Single input | Control input modulates the delay of the mono input audio signal, which is then sent to the mono output |
| Single input single output mono-stereo | Double input | The first and second control inputs modulate the delays of the single input signal, creating two output channels, with separate maximum delays for each outut channel. |
| Single input single output stereo-mono | Double input | The first and second control inputs modulate the delays of the left and right input channels, respectively, with separate maximum delays for each channel. The separately-delayed left and right signals are then averaged and sent to the mono output. |
| Single input single output stereo-stereo | Double input | The first and second control inputs modulate the delays of the left and right input channels, respectively, with separate maximum delays for each channel. The separately-delayed left and right signals are then sent to the resepective stereo output channels. |
Related components:
Example DrawingBoards illustrating usage:
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