MP-201 Multi-Pedal Manual
Firmware v2.0 Addendum
By contrast, in Constant Time mode, any glide between any two notes takes the same amount of time (as set by
the
GLIDE RATE
parameter), no matter how far apart the notes are. This means that the actual rate of change
(volts per second) is faster for wide intervals and slower for narrow intervals between notes, which creates some
interesting effects.
LOG
glides start out fast and then slow down as they approach the ending pitch, while
EXP
glides start slow and
accelerate as they approach the ending pitch.
Additional notes: MIDI TO CV
channels are CV output only. There is no MIDI output from a MIDI to CV
channel, and it does not output or respond to any MIDI CC numbers. The Channel On/Off footswitch toggles
MIDI to CV channels on and off.
When
OFF
, a MIDI to CV channel outputs zero Volts and does not respond to any MIDI notes. Turning off a
MIDI to CV channel also clears and resets the channel's note stack, which can be used to clear any stuck notes
if they occur.
Note stacks on the MP-201 are used by Gate channels (if Gate Source = MIDI Notes) and by MIDI to CV
channels; in both cases you have an eight-note stack which is monophonic, with last-note priority.
NOISE
The
NOISE
Channel Mode provides a digitally-generated Noise source with dynamic performance control.
Noise output is now much smoother and more consistent than was possible with the MP-201 v1 firmware.
Parameters include the following:
NOISE AMOUNT
- sets the amplitude of the Noise signal, while Noise Offset sets the DC voltage about which
the Noise signal is centered.
FPEDAL MODE
- allows you to control either Noise Amount or Noise Offset from the Foot Pedal. Heel and Toe
Value set the Foot Pedal response range as usual.
OFF MODE
- determines what the channel output will be when the channel is turned Off:
INITIAL
- sets the output to a preset voltage (and/or MIDI value), set by the INITIAL VALUE parameter.
OFFSET
- sets the output to the current Noise Offset value when the channel is turned Off (Useful when
FPEDAL MODE = Noise Offset), and
CONTINUOUS
allows the noise to continue being noisy (although no
longer influenced by the Foot Pedal) when the channel is turned Off.
The
RESOLUTION
parameter determines the digital resolution of the generated noise. The noise is restricted to
the number of bits shown, which determines how many discrete values the output can take. 2-bit noise can only
take one of four possible values, 3-bit noise can be randomly any of 8 values, n-bit noise can be any of 2 to the n
values.
Sonically, there is a big difference between 2-bit and 3-bit noise, some difference between 3 and 4 bits, and
almost no audible difference between 4 bits and any higher number of bits. The difference in noise texture at
different bit resolutions may be more audible depending on what the Noise is being used to modulate. If you
connect the Noise output to a Sample & Hold input (on the Moog Voyager or CP-251, for example), changing the
Noise Resolution will determine how many possible voltage values the output of the Sample & Hold can have.
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Specifications subject to change without notice
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