steady-state-fate-detect-rx

Steady State Fate Detect-Rx

Three-channel analog S&H with pink noise and high accuracy

6 HP Eurorack module

The Steady State Fate Detect-Rx is a comprehensive envelope follower, gate extractor, and signal detector for Eurorack. It analyzes incoming audio signals and produces several useful CV and gate outputs: a smoothed envelope follower CV (with adjustable gain and smoothing), a threshold-based gate, and a rectified signal output. The module features switchable PEAK/ENV detection modes — peak mode responds rapidly to transients while envelope mode provides smoother amplitude tracking. A range switch optimizes detection for different frequency bands. The Threshold knob (with CV input) sets the gate sensitivity, and the Smooth knob controls envelope follower response time. A thru-pass output provides the unprocessed input signal for parallel routing. Ideal for extracting rhythmic triggers from audio, creating auto-wah effects, sidechain-style ducking, and any application where audio dynamics should control other parameters.

Features

  • Three independent channels of sample and hold
  • Six unique internal analog pink noise generators (two per channel)
  • Unipolar output (0 to +5V) always sourced from internal pink noise, outputs 0V approximately 50% of the time
  • Bipolar output (-5 to +5V) defaults to internal pink noise, overridden by external SAMPLE input
  • External sample and hold input accepts -10V to +10V signals including audio-rate sources
  • Channel 1 trigger normalized to Channel 2 and Channel 3 trigger inputs
  • High-performance analog S&H with average droop rate of 60uV/s (approximately 4mV/min)
  • Worst case sample error margin of 0-80mV with proper trigger requirements
  • Bicolor [+/-] activity LED: RED for positive, GREEN for negative, brightness indicates voltage level
  • Unipolar [+] activity LED with brightness indicating voltage level
  • Trigger requirements: minimum 5V amplitude, 50us width, 1.5ms or less rise time
  • Pink noise probability distribution: bipolar is bell-curve centered near 0V, unipolar peaks near 0V

Controls & Jacks (13)

  • Smooth
  • PEAK/ENV
  • Freq
  • ENV Gain
  • Range
  • Threshold
  • THR CV
  • Extract-R
  • Gate
  • Thru
  • Rect
  • Detect-R
  • ENV

How-To Guides

  • Humanize a Mono Synth Sequence
  • Randomized Hi-Hat Decay Percussion
  • Auto Chordal Composition Drone
  • Analogue Downsampling Destroyer
  • Stepped Arpeggiator from LFO
  • Auto Harmony Generator from Existing Sequence
  • Retro Game Explosion and Percussion
  • Rich Stereo Filter Modulation
  • Digital Style Clocked Noise Texture

Explore the interactive Detect-Rx panel on BleepDex — tap any control to learn what it does.

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