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Last modifiedby & filed under KSP Scripting (NI Kontakt) - Tutorials, KSP: Basics, KSP: UI (design) & Engine.

This article explains the bus section and routing. Manual routing as well as dynamic routing via ksp drop down menu and button (premium).

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Content

  1. bus section explained

  2. kontakt routing map

  3. manual routing

  4. static routing via ksp

  5. real dynamic routing via ksp  premium


1. Bus section explained

bus_overall_screenshot

 

 

The bus section offers 16 additional channels with 8 FX slots each and an amp section with separate volume & pan controls.
So we can consider the bus section as 16-Channel Mixer with 8 FX slots each channel.

However unfortunately we can not modulate these FX with LFO or EG etc. This is only possible with the group FX.

But we can route each group individually to one of the 16 buses. So we can use up to 8 new FX slots from each of the buses.

We can route the signal either manually or via KSP. Of course also dynamically. By default the group output signal is routed directly to the instrument insert FX, bypassing the Bus section.

Each Bus’s output signal is routed to the instrument insert FX by default. It can also be be routed to the “physical” Outputs bypassing the instrument insert FX.

 

  • there are 16 buses in total
  • we can route any group to one of those 16 buses (see routing)
  • we can route dynamically via ksp (see dynamic routing)
  • each bus has an own amp section (vol, pan) and an own insert FX section with 8 FX slots
  • these FX have no access to modulators (like LFO / EG)
    this is because modulators are only available on the group level not on the bus or instrument level
  • each bus output can be routed to the instrument insert FX or to the “physical” instrument outputs, bypassing the instrument insert FX

2. Routing Map

Basically we can route the group signal either to buses, to the instrument insert FX or directly to the “physical” instrument outputs of Kontakt.

Also see channel selectors and routing below


3. MANUAL ROUTING

  1. within a group select output.
    ksp_bus_routing_screenshot_a
  2. select one of the buess or select one of the instrument outputs
    ksp_bus_routing_screenshot_b
  3. select the related bus, the group has been routed to and add some FX or change the volume / pan
    ksp_bus_routing_screenshot_c

3. Routing via KSP

set_engine_par(parameter, value, group, slot, generic)

// to route the output signal of groups:
set_engine_par($ENGINE_PAR_OUTPUT_CHANNEL, <channel_selector>, <group>, -1, -1)

// to route the output signal of buses:
set_engine_par($ENGINE_PAR_OUTPUT_CHANNEL, <channel_selector>, -1, -1, $NI_BUS_OFFSET + [0-15])

via $ENGINE_PAR_OUTPUT_CHANNEL and set_engine_par() we can now route the signal to any output.
Thereby we can route it dynamically on specific events like on init, on note, on control, on async etc.

Parameter

here goes $ENGINE_PAR_OUTPUT_CHANNEL

set_engine_par(parameter, value, group, slot, generic)

Value

here goes the channel selector

set_engine_par(parameter, value, group, slot, generic)

Channel selectors

-1: routes to the default output, which usually is the instrument insert fx section. This is the default setting when creating a blank new instrument.

-2: “routes to the instrument output with the instrument insert effects bypassed.” – KSP reference guide
but actually we couldn’t notice any bypassing

0,1,2,3,4,5,.. routes to one of the Kontakt “physical” instrument outputs. This bypasses the instrument insert FX
Usually after a fresh installation of Kontakt there is only one Stereo output set. You can add more instrument outputs manually also surround outputs.

$NI_BUS_OFFSET + [0-15] routes to one of the 16 buses

Group

here goes the group index we want to address. The first group = 0. The second group = 1 and so on

set_engine_par(parameter, value, group, slot, generic)

Slot

in this case a slot is not needed. So we set it to -1

set_engine_par(parameter, value, group, slot, generic)

Generic

To rout the output signal of groups we set generic to  -1.

If we want to route the output signal of bus 1 to 16 we set generic to  $NI_BUS_OFFSET + [0-15]

set_engine_par(parameter, value, group, slot, generic)

KSP – GROUP OUTPUT ROUTING

on init
  set_engine_par($ENGINE_PAR_OUTPUT_CHANNEL, -1, 0, -1, -1)
end on

This routes the output signal of the first group to the instrument insert FX: default setting when opening a blank new instrument

on init
  set_engine_par($ENGINE_PAR_OUTPUT_CHANNEL, $NI_BUS_OFFSET + 0, 0, -1, -1)
end on

This routes the output signal of the first group to Bus 1.

$NI_BUS_OFFSET + [0-15] sets the bus. Whereas $NI_BUS_OFFSET + 0  equals Bus 1 and $NI_BUS_OFFSET +15 equals Bus 16

on init
  set_engine_par($ENGINE_PAR_OUTPUT_CHANNEL, $NI_BUS_OFFSET + 8, 2, -1, -1 )
end on

This routes the output signal of the third group to Bus 9

on init
  set_engine_par($ENGINE_PAR_OUTPUT_CHANNEL, 0, 0, -1, -1 )
end on

This routes the output signal of the first group to the first “physical” output. Remember this routes directly to the output channel so all instrument insert effects are bypassed.

on init
  set_engine_par($ENGINE_PAR_OUTPUT_CHANNEL, 0, 1, -1, -1 )
end on

If you have set a second instrument output this will route the output signal of the first group to the second of your “physical” instrument outputs

KSP – BUS OUTPUT ROUTING

on init
  set_engine_par($ENGINE_PAR_OUTPUT_CHANNEL, 0, -1, -1, $NI_BUS_OFFSET + 0 )
end on

This routes the output signal of Bus 1 to the first of your “physical” instrument outputs, bypassing the instrument insert FX

on init
  set_engine_par($ENGINE_PAR_OUTPUT_CHANNEL, -1, -1, -1, $NI_BUS_OFFSET + 4)
end on

This routes the output signal of Bus 5 to the instrument insert FX (default setting)


Example: dynamic bus routing via routing menu & button

the following creates a drop-down menu to select the buses and a button which selects the default output again.

ksdp_example_bus_routing

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