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4ms Spectral Multiband Resonator Firmware Installation

4ms Spectral Multiband Resonator Firmware Installation

Firmware version 5 new features summary

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December 5, 2016: Firmware version 5 is announced for the Spectral Multiband Resonator. Many new features and improvements have
been included, and all users are encouraged to update their SMR for free!
To download the new firmware
Go to http://4mscompany.com/smr.php
Click on "Manuals/Firmware"
Download/Save the .wav file for firmware version 5 (we do not recommend playing it from your browser)
To load the firmware into your SMR
Follow the instructions at the end of this document
New Features in version 5:
1V/Octave outputs: Control up to 6 external VCOs with 1V/oct CV, for sequences, chords, and melodies
Holding down ROTATE while flipping to "Fast" enables 1V/octave outputs on Env Out jacks
Glissando (glide) can be enabled with the Pre/Post switch
In System Mode, adjust the 1V/oct tracking for 1V/oct outputs, in order to compensate for external VCOs that may
track slightly more or less than 1.00V/octave
User Manual pages 18 and 20
Transposition and fine tuning allows the SMR to be quickly tuned to external equipment
Each channel can be transposed from -6 to +6 semitones
Each channel can be fine-tuned up to 120 cents (a little over a half-step)
New light display features show the transposition and fine tuning
User Manual page 12
Forbidden Notes - select notes that will be skipped when rotating or spreading
Forbidden Notes can be saved into Settings Slots for use after power-down
User Manual page 16
Two-pass resonant filter - lusher tones and tighter filtering of the input signal
New algorithm filters out all background bleed-through by acting like two SMRs in series
RES (Q) knob fades in the second resonator for a much wider range of resonance values
Two-pass resonance has a slower attack and decay when "struck" with a trigger, so backwards strike effects can be
obtained
Original one-pass resonant filter available by turning Q knob down, or by selecting it System Mode
User Manual page 13 and 21
New major and minor scale banks
Major and Minor scales
Major chords: Pentatonic, Major 6
Minor chords: Blues Scales, Minor Pentatonic, Minor 6
All scales and chords can be transposed to any key
User Manual, back page
New intuitive organization and display of scales and banks
Banks are now arranged into Color Groups (blue, pink orange, green, white)
Each Color Group has a theme: for example Blue is Equal Temperament and Green is Modern
The six Env Out lights show the Color Group, and the current bank selection within the group
Env Out Trigger threshold level can be saved independently of channel audio level
Flip switch to "Pre" to cache the threshold levels set by the sliders. Then you can adjust the audio mix with the sliders
without changing the trigger thresholds
User Manual page 18, and "Beat-syncing: Advanced Re-mixing" example patch, page 7
To adjust 1V/oct input (Freq jack) tracking, press Lock button 5 in Custom Scale mode
To adjust 1V/oct output (Env Out jack) tracking, press Lock button 6 in Custom Scale mode
Reduced noise in controls, cleaned up some scales
The following pages are excerpts from the User Manual. Read the full manual here: http://4mscompany.com/SMR/manual/SMR-
manual-1.1.pdf
Spectral Multiband Resonator
Firmware version 5 New Features Summary
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Summary of Contents for 4ms Spectral Multiband Resonator

  • Page 1 Spectral Multiband Resonator Firmware version 5 New Features Summary December 5, 2016: Firmware version 5 is announced for the Spectral Multiband Resonator. Many new features and improvements have been included, and all users are encouraged to update their SMR for free! To download the new firmware Go to http://4mscompany.com/smr.php...
  • Page 2 Six voice sequencer, chord machine and hexaphonic VCO controller 6-channel mixer (or other FX, etc) Connect audio output to mixer when tuning VCOs to The SMR's Env Out jacks have a special feature where they can output 1V/octave CV to control external VCOs.
  • Page 3 run some VCOs through VCAs or effects or other processing (or even use one VCO to FM the next) – but if you want to keep things simple, just run the VCOs directly to a mixer. Also run the SMR to the mixer so you can monitor it.
  • Page 4 Light display of Freq Nudge New in v5: When you turn either Freq Nudge knob, the channels that are effected will change color on their Env Outs lights to indicate how much “Nudge” is assigned to that channel. After a second, the lights will go back to their original function to indicate the signal on the Env Out jacks.
  • Page 5 New in v5: Transposition (changing keys) New in v5: Besides being able to fine-tune each channel using the Freq Nudge knob (see above), you also can transpose each channel by an integer number of semitones, a maximum of 6 half-steps up or down. Each channel can be transposed on the fly, while playing live, independently of other channels.
  • Page 6 Transposition is very useful with the Major and Minor scales in the Western Bank, which are tuned to C-major and C-minor. With transposition you can set them to any key. For instance, if you want to play minor chords in the key of E, you would go to the C-Minor scale bank (Blue group, Bank 2, Scale 1) and then transpose all six channels up 4 semitones (4 blue lights).
  • Page 7 Banks and Scales display and organization New in v5: As you turn the ROTATE knob while holding it down, you will notice the six Env Outs lights change color. The dominant color of the lights tell you what bank Group you are in. There are five groups: blue, pink, orange, green, and white.
  • Page 8 the frequency content stays above the threshold. This is very useful for beat-syncing or triggering external modules that track percussive content of an audio signal (see example patch). It's also useful for patching the SMR to itself (Env Out → Rotate Trigger jacks and Lock jacks) Pre | Post (trigger mode) The threshold is set by the channel's slider (and the Level CV jack).
  • Page 9 Adjust 1V/oct output tracking (Env Out jacks in 1V/oct mode) The 1V/octave tracking of the Env Out jacks when in 1V/oct mode can be fine tuned. This allows you to compensate for external VCOs that do not have tracking adjustments of their own. The exponential tracking can be adjusted by about +/-10%.
  • Page 10 more exponential. However, the BPRe filter type cannot be tracked 1V/octave. Thus the Freq jacks and Freq Nudge knobs do a linear frequency shift (will not track to external gear if tuned with the jack or knob). To change filter types, enter System Mode and turn the Odds Freq Nudge knob all the way down. Then rapidly turn it all the way up and the all the way down.
  • Page 11: Firmware Version

    Lock lights should turn off. Play the file from the beginning again. The open-source licensed source files (in C, for compiling with gcc-arm) can be found at https://www.github.com/4ms/SMR The audio files are not at this location, they are available from http://4mscompany.com/smr.php Firmware Version To view the firmware version, tap the ROTATE button 10 times rapidly to enter “Custom Scales”...
  • Page 13 Blue Group = Equal Temperament Bank 1 Bank 2 Bank 3 Bank 4 Bank 5 Bank 6 Major scale/chords Minor scale/chords Single Western Intervals Western Triads Chromatic Scale Diatonic Scales (key of C-maj unless (key of C-min unless (key of A unless (key of G unless (Half-steps) (Equal Temperament)