CopierMaschine
Works much the same as the original o_C / quantising ASR firmware. Except, the mode now incorporates some of the new/improved quantiser features, including a larger selection of (editable) preset scales as well as advanced user-scale-edit options (for details, see Quantermain.
Controls
| Left Encoder | Right Encoder | |
|---|---|---|
| TURN | Select scale in main menu; move cursor in scale edit menu | Navigation mode: move up and down through the menu items. Edit mode: increase or decrease the value being edited; move scale “mask” in scale edit menu |
| PRESS | Activate scale in main menu; add/remove note in scale edit menu | Toggle between menu navigation (selection) mode and value editing mode |
| LONG | App selection menu |
| Up Button | Down Button | |
|---|---|---|
| PRESS | Transpose up: one octave | Transpose down: one octave |
| LONG PRESS |
I/O
| 1 | 2 | 3 | 4 | |
|---|---|---|---|---|
| TR | Clock input | Hold (freeze ring buffer) | Transpose: Octave up, when high | Transpose: Octave down, when high (overridden by TR3) |
| CV | Sample in | Index: ring buffer index (= “delay”) | Mask: rotate scale mask | Transpose: octave up/down (-4/+4) |
| OUT | ASR output | ASR output | ASR output | ASR output |
Description
In essence, then, ASR mode works as a cascaded, four-stage sample-and-hold module (see here for a classic exposition). Feed a pulse into the left-most digital input (TR1), and some CV signal (LFO, ADSR, etc) into the leftmost CV input (CV1): on receiving a/the clock, the DAC outputs will be updated, ASR-style: the sampled value will be present at output A, the previous sample values shifted down the remaining outputs B, C, and D.
The ASR mode features additional parameters, including
- a rudimentary delay (= controlled via the
indexparameter (CV2)) - scale ‘mask’ rotation (CV3)
- hold (= “freeze” the sample buffer) (TR2), and
- transposition (in octaves) (TR3, TR4, CV4)
The index parameter works as a delay, sort of: the ASR outputs the sampled values S[x] stored at the buffer locations index * output-stage, ie A = S[i*1], B = S[i*2], C = S[i*3], D = S[i*4]. The default setting or increment is 0 (internally i = 1), in which case things boil down to standard ASR behaviour:
A = S[1], B = S[2], C = S[3], D = S[4]
If the index parameter was set to, say, i = 8, the ASR will now output the values stored in the buffer at locations A = S[8], B = S[16], C = S[24], D = S[32], thus delaying output A by 8 clocks, B by 16 clocks, and so on. Ie, modulating the index parameter doesn’t just delay but allows to create different patterns (based on the contents of the buffer). The size of the buffer is 256. When the hold input goes high (using a gate or the like), no further samples will be acquired; when clocked, the four outputs then simply cycle through what’s already the buffer (with index= 1, the note value at D will reappear at output A, etc)
Please see the discussion of the Trigger delay menu selection in the Quantermain app documentation below - the same considerations apply to the Trigger delay setting in CopierMaschine.
A brief video demonstration of the CopierMaschine in action, with live audio, is available on YouTube.
Available settings (per-channel)
| Setting | Meaning |
|---|---|
scale | Current scale |
Root | Root note for scale |
Active notes | “scale mask” / active note pattern in the selected scale |
Index | ring buffer index (= “delay”) amount |
Mult/att | CV “gain”, multiplies incoming CV sample value by selected value (range: 0.1 - 2.0) |
Trigger delay | sets the delay between receiving a trigger (for details see QQ below) |
Scale edit:
see here for note (scale mask) and scale editing) (user-scales are shared across apps).
Screensaver display
Four little “Arabesque” patterns, representing the pitch CV output on each of the four channels.
This documentation has been reformatted and republished from the original Ornament and Crime manual, with permission from the copyright holders