MC wrote:Correction: MIDI 7-bit CC messages are 128 steps, not 256
Right, this is the confusing part. The Voyager sends out two 7-bit messages per step. For filter cutoff it sends CC19 as the MSB and CC51 as the LSB. Not sure if you would call this 14-bit or just two 7-bit messages. On the MIDI resolution sent though the MIDI out, it is tough to get more than two values per LSB, before the next increment on the MSB. So aprox. 256 steps sending both CC19 and CC51.
Here is the MIDI readout for the filter cutoff. Try it!
B0 13 4E Controller Channel: 1, Controller: 19 (GP Controller 4), Val: 78
B0 33 34 Controller Channel: 1, Controller: 51 (), Val: 52
B0 13 4E Controller Channel: 1, Controller: 19 (GP Controller 4), Val: 78
B0 33 78 Controller Channel: 1, Controller: 51 (), Val: 120
B0 13 4F Controller Channel: 1, Controller: 19 (GP Controller 4), Val: 79
B0 33 3C Controller Channel: 1, Controller: 51 (), Val: 60
B0 13 50 Controller Channel: 1, Controller: 19 (GP Controller 4), Val: 80
B0 33 00 Controller Channel: 1, Controller: 51 (), Val: 0
B0 13 50 Controller Channel: 1, Controller: 19 (GP Controller 4), Val: 80
B0 33 44 Controller Channel: 1, Controller: 51 (), Val: 68
B0 13 51 Controller Channel: 1, Controller: 19 (GP Controller 4), Val: 81
B0 33 08 Controller Channel: 1, Controller: 51 (), Val: 8
B0 13 51 Controller Channel: 1, Controller: 19 (GP Controller 4), Val: 81
B0 33 4C Controller Channel: 1, Controller: 51 (), Val: 76
B0 13 52 Controller Channel: 1, Controller: 19 (GP Controller 4), Val: 82
B0 33 10 Controller Channel: 1, Controller: 51 (), Val: 16
B0 13 52 Controller Channel: 1, Controller: 19 (GP Controller 4), Val: 82
B0 33 54 Controller Channel: 1, Controller: 51 (), Val: 84
B0 13 53 Controller Channel: 1, Controller: 19 (GP Controller 4), Val: 83
B0 33 18 Controller Channel: 1, Controller: 51 (), Val: 24
B0 13 53 Controller Channel: 1, Controller: 19 (GP Controller 4), Val: 83
B0 33 60 Controller Channel: 1, Controller: 51 (), Val: 96
In theory the combination of the two CC's should give me 16384 different values. But in practice I can only get aprox. 256 steps from the MIDI output. If you are getting more steps than I am then they made a change to the MIDI processor somewhere during the Voyager run and I have an early one. The internal resolution is much higher than the MIDI output.