Strymon BigSky MIDI CCs & NRPNs

MIDI implementation details for the Strymon BigSky

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Knobs

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Type (reverb machine) Selects reverb machine (12 types) 19 0 11 0-based 0-11: Select machine
Decay Reverb decay / RT60 17 0 127 0-based 0~127: Decay time
Pre-Delay Time before reverb onset 18 0 127 0-based 0~127: Pre-delay
Mix Analog dry/wet balance 15 0 127 0-based 0~127: Wet level
Tone Global high-end content 3 0 127 0-based 0~127: Tone
Mod Reverb modulation amount 14 0 127 0-based 0~127: Mod amount
Param 1 Assignable per machine 9 0 127 0-based 0~127: Param 1
Param 2 Assignable per machine 16 0 127 0-based 0~127: Param 2

Common Parameters

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Boost +/-3 dB output trim per preset 23 0 60 Centered Midpoint, approx. unity (0 dB). 0~60: -3 dB to +3 dB
Persist (Trails) Reverb trails spillover when bypassed 22 0 1 0-based 0: Off; 1: On
Hold Mode Selects Freeze or Infinite for press-and-hold 70 0 1 0-based 0: Freeze; 1: Infinite
Expression Enable Enable/disable expression per preset 60 0 1 0-based 0: Off; 1: On
MIDI Clock Follow external MIDI clock 71 0 1 0-based Controls Pre-Delay on most machines; Decay on Magneto/Nonlinear. 0: Off; 1: On

Room

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Low End Low-frequency content / decay profile 61 0 20 0-based 0~20: Low End
Size Studio vs Club room size 59 0 1 0-based 0: Studio; 1: Club
Diffusion Early/overall diffusion amount 58 0 20 0-based 0~20: Diffusion

Hall

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Low End Low-frequency content / decay profile 39 0 20 0-based 0~20: Low End
Size Concert vs Arena 40 0 1 0-based 0: Concert; 1: Arena
Mid Midrange emphasis/attenuation 42 0 20 0-based 0~20: Mid

Plate

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Low End Low-frequency content 69 0 20 0-based 0~20: Low End
Size Small vs Large plate 68 0 1 0-based 0: Small; 1: Large

Spring

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Low End Low-frequency content 64 0 20 0-based 0~20: Low End
Dwell Preamp drive style 63 0 3 0-based 0: Clean; 1: Combo; 2: Tube; 3: Overdrive
# of Springs Select 1, 2, or 3 springs 62 0 2 0-based 0: 1; 1: 2; 2: 3

Swell

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Low End Low-frequency content 65 0 20 0-based 0~20: Low End
Rise Time Rise time of swelled signal 66 0 22 0-based 0~22: Rise time
Mode Wet-in or Dry-in swell 67 0 1 0-based 0: Swell Wet; 1: Swell Dry

Bloom

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Low End Low-frequency content 31 0 20 0-based 0~20: Low End
Length Length of bloom portion 32 0 17 0-based 0~17: Length
Feedback Feedback around bloom generator 30 0 17 0-based 0~17: Feedback

Cloud

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Low End Low-frequency content 38 0 20 0-based 0~20: Low End
Diffusion Input and tank diffusion 37 0 20 0-based 0~20: Diffusion

Chorale

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Vowel Choir vowel selection 33 0 6 0-based 0: AAHHOO; 1: AAHH; 2: AAHHOH; 3: OH; 4: OOOHOH; 5: OOOO; 6: Random
Resonance Vowel resonance intensity 34 0 2 0-based 0: Mild; 1: Medium; 2: High

Shimmer

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Shift 1 Voice 1 interval (-Oct to +2 Oct) 25 0 27 0-based 0-27: Select interval
Shift 2 Voice 2 interval (-Oct to +2 Oct) 26 0 28 0-based 0-28: Select interval
Amount Level of shifted voices 27 0 18 0-based 0~18: Amount
Mode Input/tank shimmer routing 28 0 2 0-based 0: Input; 1: Regen; 2: In+Reg
Low End Low-frequency content 24 0 20 0-based 0~20: Low End

Magneto

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Low End Low-frequency response 55 0 20 0-based 0~20: Low End
Diffusion Head diffusor smear 56 0 20 0-based 0~20: Diffusion
Number of Heads Select 3/4/6 heads 57 0 2 0-based 0: 3; 1: 4; 2: 6
Spacing Even or Uneven head spacing 54 0 1 0-based 0: Even; 1: Uneven

Nonlinear

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Low End Low-frequency content 44 0 20 0-based 0~20: Low End
Shape Nonlinear shape 46 0 5 0-based 0: Swoosh; 1: Reverse; 2: Ramp; 3: Gate; 4: Gauss; 5: Bounce
Diffusion Nonlinear generator diffusion 45 0 20 0-based 0~20: Diffusion
Late Decay Late reverb decay time 47 0 17 0-based 0~17: Late Decay
Late Level Late reverb level 48 0 18 0-based 0~18: Late Level
Mod Speed LFO speed for NL and late reverb 43 0 17 0-based 0~17: Mod speed

Reflections

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Low End Low-frequency decay profile 52 0 20 0-based 0~20: Low End
Location Y Front...Back source position 50 0 6 0-based 0~6: Front to Back
Location X Left...Right source position 49 0 6 0-based 0~6: Left to Right
Shape Room shape 51 0 2 0-based 0: Square; 1: Rect; 2: Oblong

Global / Control

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Footswitch A Front-panel A footswitch (down/up) 80 0 127 0-based 0: Down; 127: Up
Footswitch B Front-panel B footswitch (down/up) 82 0 127 0-based 0: Down; 127: Up
Footswitch C Front-panel C footswitch (down/up) 81 0 127 0-based 0: Down; 127: Up
Press/Hold Switch Footswitch press-and-hold 97 0 127 0-based 0: Off; 127: On
Remote Tap Tap tempo via MIDI 93 0 127 0-based 0-127: Tap
Expression Pedal Expression value (heel to toe) 100 0 127 0-based 0~127: Expression position
Bypass Effect bypass/engage 102 0 127 0-based 0: Bypass; 127: Engage
MIDI Patch Bank Select (MSB) Select MIDI patch bank group. 0 0 2 0-based 0: 00A-42B; 1: 42C-85A; 2: 85B-99C

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