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Audio Bus Property Editor

The Property Editor contains the properties for the selected Audio Bus. You can adjust the overall Volume, Pitch, Low-pass filter and High-pass filter, as well as duck the audio signal of other busses when the current bus is receiving a signal.

General

Interface Element

Description

Name

The name of the object.

Notes

Any additional information about the object properties.

Controls the Mute and Solo states for the object and shows the implicit mute and solo states for the object.

Muting an object silences this object for the current monitoring session. Soloing an object silences all the other objects in the project except this one.

A bold M or S indicates that the Mute or Solo state has been explicitly set for the object. A non-bold M or S with faded color indicates that the object's Mute or Solo state was implicitly set from another object's state.

Muting an object implicitly mutes the descendant objects.

Soloing an object implicitly mutes the sibling objects and implicitly solos the descendant and ancestor objects.

[Tip] Tip

Hold the Ctrl key while clicking a solo button to exclusively solo the object for which the solo button is associated.

[Note] Note

Mute and Solo are designed to be used for monitoring purposes only and are not persisted in the project or stored in the SoundBanks.

Relative Properties

Interface Element

Description

Bus Volume

The attenuation (level or amplitude) applied on the audio signal at the bus or Auxiliary Bus level. Refer to Understanding the Voice Pipeline for more information about volumes.

Default value: 0
Range: -200 to 200
Units: dB

[Note] Note

The default slider range is from -96 to +12. You can go over those limits by entering the value directly, or by rolling the mouse while the focus is on the edit control.

Voice Volume

The attenuation (level or amplitude) applied on the audio object before it is being routed to a bus or sent to an Auxiliary Bus. Refer to Understanding the Voice Pipeline for more information about volumes.

Default value: 0
Range: -200 to 200
Units: dB

[Note] Note

The default slider range is from -96 to +12 dB. You can go over those limits by entering the value directly or by rolling the mouse while the focus is on the edit control.

Voice Pitch

The playback speed of an audio object, where:

  • Pitch 0 = Normal speed.

  • Pitch 1,200 = 2 x speed.

  • Pitch 2,400 = 4 x speed.

  • Pitch -1,200 = 0.5 speed

  • Pitch -2,400 = 0.25 speed

  • Default value: 0
    Range: -2,400 to +2,400
    Units: Cents

  • 1,200 cents is equivalent to one octave.

Voice Low-pass Filter

A recursive filter that attenuates high frequencies based on the value specified.

The units for this filter represent the percentage of low-pass filtering that has been applied, where 0 means no low-pass filtering (signal unaffected) and 100 means maximal attenuation.

Default value: 0
Range: 0 to 100
Units: Percent
(For more detail, see Wwise LPF Value Cutoff Frequencies.)

Voice High-pass Filter

A recursive filter that attenuates low frequencies based on the value specified.

The units for this filter represent the percentage of high-pass filtering that has been applied, where 0 means no high-pass filtering (signal unaffected) and 100 means maximal attenuation.

Default value: 0
Range: 0 to 100
Units: Percent

The High-pass Filter is not available on the Vita Hardware platform.

Bus Specific

Interface Element

Description

(Meter)

A per channel peak meter. For more information about speaker configurations and channels, refer to Understanding Channel Configurations.

The signal level is green under -6 dB, yellow from -6 to 0 dB, and red over 0 dB.

[Note] Note

Meters are only available on mixing busses. To be a mixing bus, a bus must be the master or an Auxiliary Bus, or an Audio Bus with at least one effect enabled, positioning enabled, or not using the "Parent" channel configuration. Refer to Mixing Versus Non-Mixing Busses for more information on this distinction.

 

Channel Configuration

Specifies which channel configuration should be used in this bus. If set to anything other than Parent, it forces a submix at this level of the hierarchy. Parent means that this Bus inherits the channel configuration of its parent. The channel configuration of the Master Audio Bus is implicitly set to Parent, because it inherits the channel configuration of the associated sink/audio output device.

This setting is useful to save CPU for Effects that will be applied on this bus because reducing the number of channels usually reduces the required CPU to process the Effect.

This option works only on software pipeline platforms.

For more information, refer to Understanding Channel Configurations.

 

Mute for Background Music

Enable to specify that the bus will be muted when user music starts. Refer to Replacing Music with a Player's Own Music for important further information.

 

Auto-ducking

The action of lowering the volume level of one audio signal in order for another simultaneous audio signal to have more prominence.

Recovery time

The amount of time from the termination of the audio signal in the current bus to the beginning of the fade-in for the signals that were ducked.

Default value: 1
Range: 0 to 10
Units: Seconds

Maximum ducking volume

The maximum amount by which the current bus volume can be attenuated when ducked by one or more busses.

Default value: -96
Range: -200 to 0
Units: dB

[Note] Note

The default slider range is from -96 to 0. You can go over those limits by entering the value directly, or by rolling the mouse while the focus is on the edit control.

Opens the Project Explorer - Browser where you can select an Audio Bus to add to the auto-ducking list.

The Master Audio Bus cannot be selected, and an Audio Bus cannot duck itself or any of its parent busses.

Deletes the selected Audio Bus from the auto-ducking list.

 

Click the Configure Columns... shortcut (right-click) option from the column header band.

The Configure Columns Dialog opens. Specify which columns to display and their order.

Busses

The name of the Audio Bus.

Volume

The amount by which the volume of the selected Audio Bus is reduced during auto-ducking. In the Target column you can select whether this volume adjustment applies to the voice or the bus volume.

Default value: -6
Range: -200 to 0
Units: dB

[Note] Note

The default slider range is from -200 to 0. You can go over those limits by entering the value directly.

Fade Out

The time to fade out from the original volume to the ducking volume.

Fade In

The time to fade in from the ducking volume back to the original volume.

Curve

The curve shape that defines how the signal will fade out and fade back in.

Target

Defines what property the ducking system will target.

Here are the two possible values:

  • Bus Volume: Targets the final bus volume directly.

  • Voice Volume: Targets the audio objects playing in the bus. This will also affect the sends applied to the targeted audio objects.


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