Sine Machine contains a very unique and interesting “reverb”.

“Reverb” is in quotes because there are no echoes or delay lines. It’s it’s own special thing, a bit like a cross between a resonator and a reverb.

Under the hood, the reverb is outputs another 2000 sine waves (1k for the left channel, 1k for the right channel) on top of the 10k sine waves from the normal voices.

Unique-to-Sine Machine features

Because the reverb is not an audio effect, but part of the additive engine, we can do some really fun things:

  • Only send odd/even/octaves from our voices (octaves-only sounds amazing, you have to try it)
  • Change the amount that each harmonic will contribute to the reverb via the Harmonic XY.

Geeky additive reverb details

  • There’s a fixed 30ms pre-delay on each voice (period before the effect will kick in).
  • There’s a pretty heavy roll-off after 11khz.

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