HieroglyphicPlume Pulsar Generator


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Hieroglyphic Plume

Plume, the debut module from Hieroglyphic, explores the sonic capabilities of pulsar synthesis: a granular synthesis method first described by Curtis Roads. In pulsar synthesis, sounds are constructed from a combination of events known as pulsarets and rests—the relationship of which within the driving fundamental frequency can yield a variety of formant and subharmonic sounds. Plume's Formant control effectively allows you to dial in the duty cycle of pulsarets, while Cluster can stack multiple single-cycle waveforms into one pulsar. Then with the Shape and Fold control, you can morph timbres for even more sonic variety.

To round out the pulsar synthesis feature set, Plume also offers Masking parameters. In Burst mode, two sliders are used to define a ratio of bursts to rests: 1–7 and 0–6 respectively. In Stochastic mode, these sliders become probability and panning controls. There's also an option to apply amplitude windows over pulsars, giving you more nuance in the timbres that Plume can produce.

Bring a modern classic computer music technique to your Eurorack system with Plume by Hieroglyphic.

Plume Features

  • Pulsar synthesis module
  • Operates in audio or LFO ranges
  • Formant adjusts duty cycle of pulsars
  • Cluster stacks multiple waveform cycles into one event
  • 7 waveshapes: sine, upwards ramp, triangle, downwards ramp, square, noisy square, white noise
  • West-coast-style wave Fold
  • Burst and Stochastic modes for dividing pulses and rests: Burst and Rest ratios vs Probability and Pan
  • Amplitude window type and amoutn controls
  • Easy firmware updates with Daisy web programmer
  • Eurorack module
  • Width: 18hp
  • Depth: 25mm
  • Current draw: 135mA @ +12V, 15mA @ -12V
Hieroglyphic Plume Pulsar Generator Reviews