This section outlines the Shared RTPC Parameters that are pre-defined in the WwiseSampleProject, and that can be linked to Simulation Variables so you can use them to trigger audio from your aircraft or scenery SimObjects. This list is by no means all the SimVars that you can use, and you can add new ones as required in Wwise from the RTPC tab:

Creating Custom RTPC Parameters

When adding your own RTPC game parameters linked to SimVars, we suggest following the already established schema of adding SIMVAR_ as a prefix, and replacing all spaces with underscores _. If any of the SimVars need an additional index value, this can be added as a suffix with the format _N, where N is the index to be used. Check the included RTPC game parameters if you need a reference.

IMPORTANT!

None of these RTPC parameters directly correlate to any SimVar, and it is up to you to correctly make the correlation when Creating The Sound.xml using the RTPCName attribute of the <WwiseRtpc /> tag. These RTPC parameters are provided as a convenience, since they are the ones that are most likely to be used on your own aircraft, but you can create your own at any time.

For more information please see the section on Audio.

Ambient Default Game Parameters

The RTPC game parameters listed here are useful when it comes to dealing with certain ambient audio effects. You can find them in the following location in Wwise: >> Game Parameters >> simvar >> ambient

RTPCSimvarsUnits
SIMVAR_AMBIENT_PRECIP_RATEAMBIENT PRECIP RATEMask: 2 = None, 4 = Rain, 8 = Snow
SIMVAR_AMBIENT_WIND_DIRECTIONAMBIENT WIND DIRECTIONDegrees
SIMVAR_AMBIENT_WIND_VELOCITYAMBIENT WIND VELOCITYKnots

APU Default Game Parameters

The RTPC game parameters listed here are useful when it comes to creating audio effects for the aircraft APU. You can find them in the following location in Wwise: >> Game Parameters >> simvar >> apu

RTPCSimvarsUnits
SIMVAR_APU_PCT_RPMAPU PCT RPMPercent Over 100
SIMVAR_APU_PCT_STARTERAPU PCT STARTERPercent Over 100

Engine Default Game Parameters

By default, in the Wwise data approach, Simvar values are sent in Wwise RTPCs. All of these are available in the WwiseSampleProject. You can find them in: >> Game Parameters >> simvar >> engine

Shared with Combustion, Propeller, CombustionStart and Shutdown sounds:

RTPCSimvarsUnits
SIMVAR_ENG_MANIFOLD_PRESSUREENG MANIFOLD PRESSUREInches of mercury (inHg)
SIMVAR_GENERAL_ENG_COMBUSTIONGENERAL ENG COMBUSTIONBoolean
SIMVAR_GENERAL_ENG_COMBUSTION_SOUND_PERCENTSIMVAR_GENERAL_ENG_COMBUSTION_SOUND_PERCENT_DERIVED💡︎GENERAL ENG COMBUSTION SOUND PERCENTPercent Over 100
SIMVAR_GENERAL_ENG_DAMAGE_PERCENTGENERAL ENG DAMAGE PERCENTPercent
SIMVAR_GENERAL_ENG_FAILEDGENERAL ENG FAILEDBoolean
SIMVAR_GENERAL_ENG_FUEL_PUMP_ONGENERAL ENG FUEL PUMP ONBoolean
SIMVAR_GENERAL_ENG_FUEL_PUMP_SWITCHGENERAL ENG FUEL PUMP SWITCHBoolean
SIMVAR_GENERAL_ENG_FUEL_VALVEGENERAL ENG FUEL VALVEBoolean
SIMVAR_GENERAL_ENG_PCT_MAX_RPMGENERAL ENG PCT MAX RPMPercent
SIMVAR_GENERAL_ENG_RPMSIMVAR_GENERAL_ENG_RPM_DERIVED💡︎GENERAL ENG RPMRPM
SIMVAR_GENERAL_ENG_STARTERGENERAL ENG STARTERBoolean
SIMVAR_MASTER_IGNITION_SWITCHMASTER IGNITION SWITCHBoolean
SIMVAR_RECIP_ENG_CYLINDER_HEAD_TEMPERATURERECIP ENG CYLINDER HEAD TEMPERATURERankine
SIMVAR_RECIP_ENG_PRIMERSIMVAR_RECIP_ENG_PRIMER_DERIVED💡︎RECIP ENG PRIMER
SIMVAR_THROTTLE_LOWER_LIMITTHROTTLE LOWER LIMIT

NOTE -‘Derived’ RTPC

The derived version of the SimVar simply means you should be using the derived attribute in the <Sound> element.

For Propeller sounds:

RTPCSimvarsUnits
SIMVAR_PROP_BETAPROP BETARadians
SIMVAR_PROP_MAX_RPM_PERCENTPROP MAX RPM PERCENTPercent Over 100
SIMVAR_PROP_RPMPROP RPMRPM

For Rotor sounds:

RTPCSimvarsUnits
SIMVAR_DISK_BANK_ANGLEDISK BANK ANGLE
SIMVAR_DISK_BANK_PCTDISK BANK PCTPercent
SIMVAR_DISK_PITCH_ANGLEDISK PITCH ANGLE
SIMVAR_DISK_PITCH_PCTDISK PITCH PCT
SIMVAR_RECIP_ENG_BRAKE_POWER_PCTRECIP ENG BRAKE POWER PCTPercent
SIMVAR_ROTOR_CLUTCH_ACTIVEROTOR CLUTCH ACTIVE
SIMVAR_ROTOR_COLLECTIVE_BLADE_PITCH_PCTSIMVAR_ROTOR_COLLECTIVE_BLADE_PITCH_PCT_DERIVED💡︎ROTOR COLLECTIVE BLADE PITCH PCTPercent
SIMVAR_ROTOR_CYCLIC_BLADE_MAX_PITCH_POSITIONROTOR CYCLIC BLADE MAX PITCH POSITIONPercent
SIMVAR_ROTOR_CYCLIC_BLADE_PITCH_PCTSIMVAR_ROTOR_CYCLIC_BLADE_PITCH_PCT_DERIVED💡︎ROTOR CYCLIC BLADE PITCH PCTPercent
SIMVAR_ROTOR_RPMROTOR RPMRPM
SIMVAR_ENG_ROTOR_RPMENG ROTOR RPMPercent Over 100
SIMVAR_TAIL_ROTOR_BLADE_PITCH_PCTSIMVAR_TAIL_ROTOR_BLADE_PITCH_PCT_DERIVED💡︎TAIL ROTOR BLADE PITCH PCTPercent

For JetWhine sounds on turbine engines and Combustion sounds on turboprop, turbofan, turbojet and engines:

RTPCSimvarsUnits
SIMVAR_TURB_ENG_AFTERBURNERTURB ENG AFTERBURNERBool
SIMVAR_TURB_ENG_BLEED_AIRTURB ENG BLEED AIRPounds per square inch (psi)
SIMVAR_TURB_ENG_CORRECTED_FFTURB ENG CORRECTED FFPounds per hour
SIMVAR_TURB_ENG_CORRECTED_N1TURB ENG CORRECTED N1Percent
SIMVAR_TURB_ENG_CORRECTED_N2TURB ENG CORRECTED N2Percent
SIMVAR_TURB_ENG_ITTTURB ENG ITTRankine
SIMVAR_TURB_ENG_JET_THRUSTTURB ENG JET THRUSTPounds
SIMVAR_TURB_ENG_MAX_TORQUE_PERCENTTURB ENG MAX TORQUE PERCENTPercent Over 100
SIMVAR_TURB_ENG_N1TURB ENG N1Percent
SIMVAR_TURB_ENG_N2TURB ENG N2Percent
SIMVAR_TURB_ENG_PRESSURE_RATIOTURB ENG PRESSURE RATIORatio
SIMVAR_TURB_ENG_REVERSE_NOZZLE_PERCENTTURB ENG REVERSE NOZZLE PERCENTPercent
SIMVAR_TURB_ENG_VIBRATIONTURB ENG VIBRATIONNumber

Flight Control Surfaces Default Game Parameters

By default, in the Wwise data approach, Simvar values are sent in Wwise RTPCs. All of these are available in the WwiseSampleProject. You can find them in: >> Game Parameters >> simvar >> flight_control_surfaces

RTPCSimvarsUnits
SIMVAR_AILERON_LEFT_DEFLECTION_PCTSIMVAR_AILERON_LEFT_DEFLECTION_PCT_DERIVED💡︎AILERON LEFT DEFLECTION PCTPercent Over 100
SIMVAR_AILERON_POSITIONSIMVAR_AILERON_POSITION_DERIVED💡︎AILERON POSITIONPosition (-16K to 0)-16K = full left
SIMVAR_AILERON_RIGHT_DEFLECTION_PCTSIMVAR_AILERON_RIGHT_DEFLECTION_PCT_DERIVED💡︎AILERON RIGHT DEFLECTION PCTPercent Over 100
SIMVAR_ELEVATOR_POSITIONSIMVAR_ELEVATOR_POSITION_DERIVED💡︎ELEVATOR POSITIONPosition (-16K to 0)-16K = full left
SIMVAR_GEAR_ANIMATION_POSITION_DERIVED💡︎GEAR ANIMATION POSITIONPercent
SIMVAR_GEAR_LEFT_POSITIONSIMVAR_GEAR_LEFT_POSITION_DERIVED💡︎GEAR LEFT POSITIONPercent Over 100
SIMVAR_GEAR_RIGHT_POSITIONSIMVAR_GEAR_RIGHT_POSITION_DERIVED💡︎GEAR RIGHT POSITIONPercent Over 100
SIMVAR_GEAR_TOTAL_PCT_EXTENDEDSIMVAR_GEAR_TOTAL_PCT_EXTENDED_DERIVED💡︎GEAR TOTAL PCT EXTENDEDPercent
SIMVAR_ROTOR_LATERAL_TRIM_PCTSIMVAR_ROTOR_LATERAL_TRIM_PCT_DERIVED💡︎ROTOR LATERAL TRIM PCTPercent Over 100
SIMVAR_ROTOR_LONGITUDINAL_TRIM_PCTSIMVAR_ROTOR_LONGITUDINAL_TRIM_PCT_DERIVED💡︎ROTOR LONGITUDINAL TRIM PCTPercent Over 100
SIMVAR_RUDDER_POSITIONSIMVAR_RUDDER_POSITION_DERIVED💡︎RUDDER POSITIONPosition (-16K to 0)-16K = full left
SIMVAR_SPOILERS_LEFT_POSITION_DERIVED💡︎SPOILERS LEFT POSITIONPercent Over 100 or Position (0 = retracted, 16K fully extended)
SIMVAR_SPOILERS_RIGHT_POSITION_DERIVED💡︎SPOILERS RIGHT POSITIONPercent Over 100 or Position (0 = retracted, 16K fully extended)
SIMVAR_TRAILING_EDGE_FLAPS_LEFT_PERCENTSIMVAR_TRAILING_EDGE_FLAPS_LEFT_PERCENT_DERIVED💡︎TRAILING EDGE FLAPS LEFT PERCENTPercent Over 100
SIMVAR_TRAILING_EDGE_FLAPS_RIGHT_PERCENTSIMVAR_TRAILING_EDGE_FLAPS_RIGHT_PERCENT_DERIVED💡︎TRAILING EDGE FLAPS RIGHT PERCENTPercent Over 100
SIMVAR_WATER_LEFT_RUDDER_EXTENDED_DERIVED💡︎WATER LEFT RUDDER EXTENDEDPercent
SIMVAR_WING_FLEX_PCTWING FLEX PCTPercent Over 100

Ground Default Game Parameters

By default, in the Wwise data approach, WindSounds Trigger receives Simvar values through Wwise RTPCs. All of these RTPC are available in the WwiseSampleProject. You will find them in: >> Game Parameters >> simvar >> grounds

RTPCSimvarsUnits
SIMVAR_GEAR_STEER_ANGLEGEAR STEER ANGLEDegrees
SIMVAR_SIM_ON_GROUNDSIM ON GROUNDBool
SIMVAR_SURFACE_TYPESURFACE TYPEEnum
SIMVAR_WHEEL_RPMSIMVAR_WHEEL_RPM_DERIVED💡︎WHEEL RPMPercent Over 100

Instruments Default Game Parameters

By default, in the Wwise data approach, WindSounds Trigger receives Simvar values through Wwise RTPCs. All of these RTPC are available in the WwiseSampleProject. You will find them in: >> Game Parameters >> simvar >> instruments

RTPCSimvarsUnits
SIMVAR_AILERON_TRIM_PCTSIMVAR_AILERON_TRIM_PCT_DERIVED💡︎AILERON TRIM PCTFloat
SIMVAR_AUDIO_PANEL_VOLUMEAUDIO PANEL VOLUMEPercent
SIMVAR_BRAKE_LEFT_POSITIONSIMVAR_BRAKE_LEFT_POSITION_DERIVED💡︎BRAKE LEFT POSITIONPosition (0 to 32K)0 = off32K = full
SIMVAR_BRAKE_PARKING_POSITIONSIMVAR_BRAKE_PARKING_POSITION_DERIVED💡︎BRAKE PARKING POSITIONBool
SIMVAR_COLLECTIVE_POSITIONCOLLECTIVE POSITIONPercent Over 100
SIMVAR_COM_VOLUMECOM VOLUMEPercent
SIMVAR_ELECTRICAL_BATTERY_BUS_VOLTAGEELECTRICAL BATTERY BUS VOLTAGEVolts
SIMVAR_ELECTRICAL_MAIN_BUS_VOLTAGEELECTRICAL MAIN BUS VOLTAGEVolts
SIMVAR_ELECTRICAL_MASTER_BATTERYELECTRICAL MASTER BATTERYBool
SIMVAR_ELEVATOR_TRIM_POSITION_DERIVED💡︎ELEVATOR TRIM POSITIONRadians
SIMVAR_FLAPS_HANDLE_PERCENTSIMVAR_FLAPS_HANDLE_PERCENT_DERIVED💡︎FLAPS HANDLE PERCENTPercent Over 100
SIMVAR_GENERAL_ENG_ANTI_ICE_POSITION_DERIVED💡︎GENERAL ENG ANTI ICE POSITIONBool
SIMVAR_GENERAL_ENG_MIXTURE_LEVER_POSITIONSIMVAR_GENERAL_ENG_MIXTURE_LEVER_POSITION_DERIVED💡︎GENERAL ENG MIXTURE LEVER POSITIONPercent
SIMVAR_GENERAL_ENG_PROPELLER_LEVER_POSITIONSIMVAR_GENERAL_ENG_PROPELLER_LEVER_POSITION_DERIVED💡︎GENERAL ENG PROPELLER LEVER POSITIONPercent
SIMVAR_GENERAL_ENG_THROTTLE_LEVER_POSITIONSIMVAR_GENERAL_ENG_THROTTLE_LEVER_POSITION_DERIVED💡︎GENERAL ENG THROTTLE LEVER POSITIONPercent
SIMVAR_NAV_VOLUMENAV VOLUMEPercent
SIMVAR_ROTOR_BRAKE_HANDLE_POSROTOR BRAKE HANDLE POSPercent Over 100
SIMVAR_ROTOR_CLUTCH_SWITCH_POSROTOR CLUTCH SWITCH POSBool
SIMVAR_RUDDER_PEDAL_POSITIONSIMVAR_RUDDER_PEDAL_POSITION_DERIVED💡︎RUDDER PEDAL POSITIONPosition (-16K to 0)-16K = left pedal pushed full in
SIMVAR_RUDDER_TRIM_PCTSIMVAR_RUDDER_TRIM_PCT_DERIVED💡︎RUDDER TRIM PCTPercent Over 100
SIMVAR_SPOILERS_HANDLE_POSITIONSIMVAR_SPOILERS_HANDLE_POSITION_DERIVED💡︎SPOILERS_HANDLE_POSITIONPercent Over 100 or Position (16K = down, 0 = up)
SIMVAR_TAIL_ROTOR_PEDAL_POSITIONSIMVAR_TAIL_ROTOR_PEDAL_POSITION_DERIVED💡︎TAIL ROTOR PEDAL POSITIONPercent Over 100
SIMVAR_YOKE_X_POSITIONSIMVAR_YOKE_X_POSITION_DERIVED💡︎YOKE X POSITIONPosition (-16K to 0)
SIMVAR_YOKE_Y_POSITIONSIMVAR_YOKE_Y_POSITION_DERIVED💡︎YOKE Y POSITIONPosition (-16K to 0)

Miscellaneous Default Game Parameters

By default, in the Wwise data approach, WindSounds Trigger receives Simvar values through Wwise RTPCs. All of these RTPC are available in the WwiseSampleProject. You will find them in: >> Game Parameters >> simvar >> miscellaneous

RTPCSimvarsUnits
SIMVAR_CANOPY_OPENSIMVAR_CANOPY_OPEN_DERIVED💡︎CANOPY OPENPercent Over 100
SIMVAR_EXIT_OPENSIMVAR_EXIT_OPEN_DERIVED💡︎EXIT OPENPercent Over 100
SIMVAR_INTERACTIVE_POINT_OPEN_0INTERACTIVE POINT OPEN:0Percent Over 100
SIMVAR_INTERACTIVE_POINT_OPEN_1INTERACTIVE POINT OPEN:1Percent Over 100
SIMVAR_OVERSPEED_WARNINGOVERSPEED WARNINGBool
SIMVAR_RECIP_ENG_COWL_FLAP_POSITIONSIMVAR_RECIP_ENG_COWL_FLAP_POSITION_DERIVED💡︎RECIP ENG COWL FLAP POSITIONPercent

Physics Default Game Parameters

By default, in the Wwise data approach, WindSounds Trigger receives Simvar values through Wwise RTPCs. All of these RTPC are available in the WwiseSampleProject. You will find them in: >> Game Parameters >> simvar >> physic

RTPCSimvarsUnits
SIMVAR_ACCELERATION_BODY_XACCELERATION BODY XFeet (ft) per second squared
SIMVAR_ACCELERATION_BODY_YACCELERATION BODY YFeet (ft) per second squared
SIMVAR_ACCELERATION_BODY_ZACCELERATION BODY ZFeet (ft) per second squared
SIMVAR_AIRSPEED_INDICATEDAIRSPEED INDICATEDKnot
SIMVAR_AIRSPEED_TRUEAIRSPEED TRUEKnot
SIMVAR_G_FORCEG FORCEGforce
SIMVAR_GROUND_VELOCITYGROUND VELOCITYKnot
SIMVAR_INCIDENCE_ALPHAINCIDENCE ALPHARadians
SIMVAR_INCIDENCE_BETAINCIDENCE BETARadians
SIMVAR_PLANE_ALT_ABOVE_GROUNDPLANE ALT ABOVE GROUNDFeet (ft)
SIMVAR_PLANE_ALTITUDEPLANE ALTITUDEFeet (ft)
SIMVAR_PLANE_BANK_DEGREESPLANE BANK DEGREESRadians
SIMVAR_PLANE_PITCH_DEGREESPLANE PITCH DEGREESRadians
SIMVAR_ROTATION_VELOCITY_BODY_XROTATION VELOCITY BODY XFeet (ft) per second
SIMVAR_ROTATION_VELOCITY_BODY_YROTATION VELOCITY BODY YFeet (ft) per second
SIMVAR_ROTATION_VELOCITY_BODY_ZROTATION VELOCITY BODY ZFeet (ft) per second
SIMVAR_VELOCITY_BODY_XVELOCITY BODY XFeet (ft) per second
SIMVAR_VELOCITY_BODY_YVELOCITY BODY YFeet (ft) per second
SIMVAR_VELOCITY_BODY_ZVELOCITY BODY ZFeet (ft) per second
SIMVAR_VELOCITY_WORLD_XVELOCITY WORLD XFeet (ft) per second
SIMVAR_VELOCITY_WORLD_YVELOCITY WORLD YFeet (ft) per second
SIMVAR_VELOCITY_WORLD_ZVELOCITY WORLD ZFeet (ft) per second
SIMVAR_VERTICAL_SPEEDSIMVAR_VERTICAL_SPEED_DERIVED💡︎VERTICAL SPEEDFeet (ft) per second

Shared Control Signal Game Parameters

Control Signal RTPC can be found in the GameSync tab in the project explorer: >> Game Parameters >> control_signal >> sidechain

RTPCUnitDescription
SC_AURAL_WARNING
SC_COMBUSTION
SC_ENGINES
SC_RADIO_NOISE
SC_SFX_THUNDER
SC_VO
SC_WIND

Shared Engine Game Parameters

Engine RTPC can be found in the GameSync tab in the project explorer: >> Game Parameters >> engine >> spp

RTPCUnitDescription
SPP_DISTANCE
SPP_EMITERCONE
SPP_LISTENERCONE

Shared Environment Game Parameters

Environment RTPC can be found in the GameSync tab in the project explorer: >> Game Parameters >> environment >> common

RTPCUnitDescription
ENV_COCKPIT_INSULATIONdBThis game parameter allows you to set up RTPC for cockpit insulation in order to attenuate outside sounds. Game parameter values come from Insulation_ExitClosed & Insulation_ExitOpen values set in the AcousticParameters in the sound.xml.
ENV_DOPPLERCENTSENV_DOPPLERCENTS_DERIVED💡︎Pitch centThis game parameter allows to set up RTPC based on physical based Doppler effect in true pitch cents. The Doppler effect is disabled in camera chase.
ENV_ELEVATION_AGLmeterThis game parameter allows to set up RTPC based on altitude above ground variable.
ENV_GROUND_REFLECTION_DELAY
ENV_MACH_CONE_DEGREEdegreeThis Game parameter allows you to set up RTPC depending on the degree of the mach cone from 180° to 0°.
ENV_MACH_CONE_ZONEbooleanThis Game parameter allows you to set up RTPC depending on whether the listener is inside or outside the mach cone: 0 = The listener (camera) is not in the mach cone zone, 1 = The listener (camera) is in the mach cone zone

Shared Game Play Game Parameters

Game Play RTPC can be found in the GameSync tab in the project explorer: >> Game Parameters >> gplay

RTPCUnitDescription
CAMERA_VIEWPOINTBooleanThis game parameter allows to set up RTPC based on the camera ViewPoint: 0 = camera inside, 1 = camera outside
HEADPHONE_FILTERBooleanThis game parameter allows to set up RTPC based on the headphone filter state: 0 = headphone filter off, 1 = headphone filter on
HEADPHONE_IN_COCKPIT
HEADPHONE_SWITCHBooleanThis game parameter allows to set up RTPC based on how the headphone filter state: 0 = headset switch off: headset not put, 1 = camera is in outside view, 1 = headphone filter is set to on, 1 = communication device is set to on
PASSENGER_NUMBER

Shared GUI Game Parameters

GUI RTPC can be found in the GameSync tab in the project explorer: >> Game Parameters >> gui (>> mixer)

RTPCUnitDescription
MIXER_AIRCRAFT_AI_VOLUMEValue from 0 to 1
MIXER_COCKPIT_VOLUMEValue from 0 to 1Cockpit volume level. Includes sounds coming from cockpit such as instrument & avionic sounds, switch & lever foleys.
MIXER_ENGINE_VOLUMEValue from 0 to 1Aircraft engines volume level
MIXER_ENVIRONMENT_VOLUMEValue from 0 to 1The environment volume level (covers things like ambiances weather, biomes, airports, etc…)
MIXER_GLOBAL_VOLUMEValue from 0 to 1Overall volume level
MIXER_INTERFACE_VOLUMEValue from 0 to 1User interface sounds volume level.
MIXER_MISCELLANEOUS_VOLUMEValue from 0 to 1Aircraft miscellaneous volume level. Includes diverse aircraft sounds such as flight controls, rattles, ground sounds, pumps, hydraulics, etc.
MIXER_MUSIC_VOLUMEValue from 0 to 1Music volume level.
MIXER_VOICE_VOLUMEValue from 0 to 1Voices volume level.
MIXER_WARNING_VOLUMEValue from 0 to 1Warning volume level. Includes stalls, aural, GPWS, TCAS, and autopilot warning sounds.
MUTE_WARNING_OUTSIDEValue from 0 to 1

Shared NPC Game Parameters

NPC RTPC can be found in the GameSync tab in the project explorer: >> Game Parameters >> npc

RTPCUnitDescription
NPC_ALPHA_PERCENT

0/255