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MPX 1 V1.10 MIDI Implementation Details
preceding block
upper
lower
split
parallel
NOTES:
1.
A block is on a single path unless it is in between a split and merge. (There can be as many as six
blocks between a split and merge.)
2.
Split changes a single path into a double path. Merge changes a double path back into a single path.
3.
If a split is inserted into a single path and there is no merge between it and the output block, the
output block is automatically set to merge.
4.
If a split is inserted in front of a previously exisiting split, and there is no merge in between them,
the previously existing split is changed to upper.
5.
If a merge is inserted into a double path and there is no split between it and the output block, then
all following blocks are set to upper. If there is a split between the merge and the output block, then
all blocks between the merge and the split are set to upper.
6.
When the routing configuration of a block is changed, its input and output connections should be
reset to the default value, stereo.
Algorithm numbers (Bytes 480-491)
Algorithm numbers is a list of the current algorithms assigned to each of the six effects blocks in the
system. The algorithm numbers appear in the following order:
Index
Effect
0
Pitch
1
Chorus
2
EQ
3
Modulator
4
Reverb
5
Delay
A zero (0) in all cases represents "no effect" algorithm assigned. The "no effect" algorithm actually contains
a "Mix" and "Level" parameter though they are ignored by the system.
When changing the algorithm number of an effect, remember that the parameter values for the old
algorithm may not be compatible with the new algorithm. In much the same way you would reference the
Parameter Type numbers for a given algorithm when interpreting the 32 bit parameter effect data, you
should check the values of all parameters against the limits in the Parameter Description. If a particular
parameter has an out-of-range value when it is loaded into the MPX 1, the system will fix the value but
the edit indicator will always come on when the program is loaded.
Note that programs are recognized as "cleared" by the system if the pitch algorithm number is 0xFF.
Program name (Bytes 492-515, Parameter Type 0x010B in V1.00; 0x010C in V1.10)
These 12 bytes represent the name that is associated with the stored program. The name does NOT need
to be null (0) terminated but must instead be padded with spaces (0x20).
32
SELECTED BLOCK IS ON A DOUBLE PATH
configurations selectable with KNOB
upper
lower
•
•
•
•
•
•
•
•
Range
V1.00
0-10
0x014D
0-11
0x014E
0-18
0x014F
0-8
0x0150
0-5
0x0151
0-8
0x0152
split
parallel
•
•
Parameter Type
V1.10
0x014E
0x014F
0x0150
0x0151
0x0152
0x0153
Lexicon
merge
•
•
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