Available as an assembled Module and as a DIY project.
This Module is currently available.
Trans Europa is a CV processor/generator module with a number of unique features:
Octave switching over 9 octaves
Voltage controlled octave switching, CV input is bipolar +/-5V
Semitone transposition over 1 octave
Voltage controlled semitone transposition, CV input is bipolar +/-5V
8 Modes (see below)
Glide feature, which can be applied either manually or by external gate.
CV thru, you can patch a 1V/oct voltage source in Trans Europa’s Input, it will be replicated at the Output, with the benefit that all Trans Europa’s features can be applied.
Although both CV inputs are bipolar +/-5V, they will also operate well from 0V to 5V CV sources, courtesy of the cunning way in which the input data is interpreted by Trans Europa. CV inputs are not 1V/oct, as Trans Europa was designed as a transposer rather than a quantiser (see ‘Backstory’). For example, in Mode 1 (Semitones), 0V to +5V CV input will allow transpositions over 13 semitones, -5V to +5V will allow transpositions over 25 semitones, in both cases 0V corresponds to no transposition.
8 Modes are available:
First Fourth Fifth
By applying control voltages to the Transpose CV input, arpeggios and tuned pseudo-random sequences can be achieved based upon the Mode selected, further enhancements can then be made by modulating the Octave CV input. Suitable input devices are wheels, joysticks, touch pads, FSRs, ribbons, LFOs, ADSRs, S/H etc.
Trans Europa can be used in a number of different ways:
As a simple CV source for quick on-the-fly octave and semitone transposition, using the Octave and Transpose knobs only.
As a complex CV source for octave and semitone transposition by applying CVs to the Octave and Transpose CV inputs, in this way many interesting pseudo sequences and arpeggios can be created.
In conjunction with 1V/oct source, using Trans Europa to transpose the octave and semitone of the 1V/oct source. Additionally, the 1V/oct source can be used to transpose pseudo sequences and arpeggios set up in point #2 (above).
The original idea for Trans Europa was to provide a simple octave switch for VCOs which lacked this feature. We then decided that it would also be nice to include semitone switching too. It soon became apparent that working with PIC rather than in the analogue domain would provide for both features plus a lot more. PIC gave us the ability to include CV control of both octaves and semitones. It also presented the opportunity to include additional transposition modes, which added arpeggiation-like abilities to the feature set.
We added 1V/oct CV ‘thru’ so you can send a 1V/oct source such as a keyboard through Trans Europa and have the ability to transpose it both manually and under CV modulation. Finally, as Trans Europa developed into a CV processor, we decided to add gated glide to round out it’s feature set.
Early on in development, we decided that Trans Europa was to be a dedicated transposer, rather than a quantiser, by making this decision we were able to make the Transpose CV input far more manageable and usable, specific pseudo sequences and arpeggios are far more easily dialed in.
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These merchants probably sell this module. Huh?