Doepfer Pocket Dial (device no longer available) - Manual (Page 35)

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The factory presets 105 and 106 contain examples for this message type. The presets 105 und 106
control the same parameters as the presets 17 and 18 resp. 23. But these presets use absolute
data. So far (as of fall 2001) no device is able to recognize this message type. But from our point of
view this type of parameter control would include a lot of advantages. We think that the reason is
that so far no lo-cost controllers like Pocket Dial have been available and we hope that the
manufacturers will take into consideration this very flexible relative controlling idea in the future.
c) For some little time another type of relative parameter control is used by some programs or devices.
In this case relative data is derived from an - in the true sense - absolute data. Certain MIDI
message combinations are interpreted differing from the MIDI standard. As this message type is not
included with MIDI specification there is no standard available (like the message suggestions in
paragraph a and b suggested by Doepfer).
For example Native Instrument's REAKTOR uses the following type of relative parameter control.
The normal MIDI controller messages are read in this way:
controller data value (third controller byte) = 63
→
decrement one step
controller data value (third controller byte) = 65
→
increment one step
Pocket Dial is able to generate these data types as well. The presets 85~88 contain some examples.
We call this message type "relativ binary mode".
Some hardware mixers transmit data in the so-called "signed bit mode" or "two's complement
mode". Preset 108 ~ 111 shows "signed bit mode" and 112 ~ 115 "two complement" examples.
Pocket Dial features supports all these message types. Consequently the number of devices that
may be controlled by Pocket Dial will significantly increase in the future.