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- Order number: 81007
- Supplier Name: Cooper FX
The GRAIN Card for the Cooper FX Arcades includes the following effects:
To familiarize ourselves with granular delays, buffers, and sound manipulators lets go over some basics. For the following info, refer to the diagram to the right. Here you see audio clip (which we will refer to as a buffer). Granular manipulation can be done when you break down this buffer Into many small chunks of sound, or grains. on this bank of effects, the SIZE knob will set the size of the grains. Fully CW you get a single large grain. As you turn it CCW, the gains decrease in size.
The knob labeled POS will allow you to point to a specific point or position within the buffer. This is a basic overview of how the granular engines on this card work
this is a 'simple' granular buffer. Look to the information above for more info on how this works. DENS determines the density of the granular buffer. CCW you hear one grain and less density. turning CW the sound becomes fuller as you dial in a second grain.
Granular time stretching, or manipulating playback speed but NOT pitch with forward reverse, and random playback. The SPD knob de-termines the direction and speed of the time stretching. See the SPD note for more info. As you increase the RAND knob, you introduce random jumps in the buffer.
The FRZ knob is in most modes on this card and works like a non additive feedback knob, meaning it will loop without ascending/ descending in pitch. Turning the FRZ knob fully CW will lock the audio in the buffer and loop infinitely.
Similar to mode 1, but instead of the freeze knob dictating the looping behavior of the buffer, the incoming audio's dynamics will de-termine when the buffer is recording/frozen.
Similar to mode 2, but instead of the freeze knob dictating the looping behavior of the buffer, the incoming audio's dynamics will de-termine when the buffer is recording/frozen. Also, the stretching will stall and stop when the audio triggers the envelope detector.
Bounce plays back two grains at different pitches. SIZEdoes two things in this mode: set the size of the grain as well as the speed at which the pitch 'bouncing' happens. The PIT knob increases the amount of pitch shifting and is unquantized. CCW there is no pitch shifting, and as you turn it up CW, one grain increases to an octave up, while the other de-creases to an octave down. The FBK knob is an additive feedback looper. Each repeat, the signal that is pitched up or down is again sent through the pitch shifter routine and ascends or descends.
This program takes the grains and plays them back faster or slower, resulting in a pitch shifted grain. SIZE and FRZwork the same as in the other modes. PlTselects the unquantized pitch shift amount, from an octave down to an octave up, with a 'sweet spot' of no pitch shifting towards the middle of the rotation. FBK introduces cascading / additive feedback.
The LOFI program is similar to the pitch program, but instead adds a crinkly tape like modulation on the tails. The PIT knob is quantized in fifths, see the PIT note. The LOFI knob introduces the lo-fi elements like wow, flutter, and noise.
Randomize the grain size with this program for ultimate glitchyness. SIZE and FBK work as expected, similar to in other modes on this card. RAND is the probability of randomizing the grain. Turn it CCW for no random, and CW for 100% random. At noon the grain size will randomize with a probability of 50%, so roughly for every two repeats, one of those repeats will have a random size. The knob la-beled RSPD determines the speed at which the randomization occurs.