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Developer website: 
Petri is a sample player & drum machine that generates its own sequences and selects up to eight random samples from a folder of your choosing. It was designed to create glitchy, IDM-inspired drum patterns very quickly. More than simply creating randomized sequences, Petri uses a series of probability algorithms that respond to however sparse or dense you would like the patterns to be, simply by dragging a slider. If you prefer, all randomization can be turned off, and Petri can instead be used as a traditional sample player with sequences input by hand using a familiar 8x8 matrix editor. With a quick-start guide built into the

What's New in Petri

Version 1.1:
  • MIDI synchronization included
  • Volume/Pitch reset buttons added
  • Metronome added
  • Minor bug fixes

Requirements for Petri

Mac OS X 10.6 or later
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Petri User Discussion

Current Version (1.x)
Downloads 383
Version Downloads 284
License Demo
Date 16 Jun 2011
Platform OS X / Intel 32
Price $30.00
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