Eurorack Reference / modules /mutable-instruments/streams audit site v0.1 — milestone 3
mutable-instruments/streams

Streams

Mutable Instruments

Dual dynamics gate providing two channels of voltage-controlled filter and amplifier (VCFA), with envelope generation, vactrol emulation, envelope/frequency following, and dynamics compression modes.407

Capabilities 5

Compressorcompressor
Sidechain compressor/limiter using the VCFA; EXCITE input optionally used as sidechain. Attack 0.2ms, release 150ms. MOD controls ratio and makeup gain direction.407
Envelope Followerenvelope-follower
Analyzes EXCITE input for amplitude envelope and spectral centroid across 3 frequency bands; applies to IN signal's amplitude and filter cutoff.407
Envelope Generatorenvelope-generator
Two channels; EXCITE input triggers internal AD or AR envelope controlling VCFA gain and cutoff, with variable cutoff modulation amount.407
Vcfvcf
Analog low-pass filter integrated into the VCFA; cutoff modulated by envelope, vactrol, follower, or direct CV depending on mode.407
Voltage-Controlled Amplifiervca
Dual VCFA with direct amplitude control via LEVEL input; response curve adjustable from exponential to linear.407

Jacks 4 — 3 in / 1 out

NameSignalVoltageDescription
Inputs (3)
EXCITEmixedMulti-purpose control port; accepts audio or CV. Function depends on selected mode (trigger for envelope, vactrol input, follower source, or sidechain for compressor).407
INmixedSignal input for audio or CV. When unpatched, a +3.3V signal is internally routed to the VCFA, enabling envelope or CV output use.407
LEVELcvDirectly wired to the amplitude control section of the VCFA; attenuated by the LEVEL MOD knob. When unpatched, a +8V signal is internally generated, so LEVEL MOD acts as an offset control.407
Outputs (1)
OUTmixed407

Parameters 6

NameTypeRangeBehavior
Function selectorbuttonPress to display the current function; press again to cycle through the four functions. Hold to access the second bank of 5 alternate functions. Hold both channels simultaneously to link them.407
LEVEL MODknobAttenuator for the LEVEL CV input. When no jack is in LEVEL, acts as an offset control over an internally generated +8V signal.407
METERbuttonPress to show the bargraphs; press again to cycle through the 4 visualization modes. Hold for 1 second to enter calibration mode.407
MODknobAdjusts the amount of brightness (cutoff frequency) modulation applied to the signal in addition to amplitude modulation. Behavior varies per mode (envelope amount, filter damping, compression ratio, or attenuverter for EXCITE CV in Direct VCF mode).407
Response curveknobAdjusts the VCA response from exponential (fully CCW) to linear. Compressor mode requires exponential setting.407
SHAPEknobControls the overall attack and decay characteristics of the selected function — envelope times, vactrol or envelope follower reaction time, or cutoff frequency (in Direct VCF mode).407

Firmware history 0 versions

No firmware history recorded.

References 2

  1. [407]
    Streams Manual (full)manual
    verified 2026-05-15
  2. [408]
    Mutable Instruments Streams product pageproduct_page
    verified 2026-05-15