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Time Stretch Plug-in Properties

The Wwise Time Stretch plug-in contains a series of properties, many of which can be edited in real-time and can be mapped to specific game parameters using RTPCs.

Interface Element

Description

Name

The name of the effect instance.

Effect instances are a group of effect property settings. They can be one of two types: custom instances or ShareSets. Custom instances can be used by only one object, whereas ShareSets can be shared across several objects.

Effect

The type of effect.

Shared by (Used by)

A list of objects that currently subscribe to the selected ShareSet.

This field is called “Used by” when editing a custom instance of the effect.

Returns the effect property settings to their default values.

This option is only available when editing a custom instance of the effect.

Notes

Additional information about the effect.

Effect Settings

Window Size

Larger window size gives better frequency resolution but more smearing of transients. This parameter is thus a compromise between time resolution and frequency resolution. See section above for a more detailed discussion on how to choose the value for this parameter.

Default Value: 2,048
Range: 256 to 4,096
Units: Sample frames

Time Stretch

Percentage of original sound duration. 100% corresponds to no time stretch while 200% is twice as long. Similarly time compression is possible using 50% to get the sound at half the duration. This value supports RTPC and may be smoothly changed during playback without additional artefacts.

Default Value: 100
Range: 25 to 1,600
Units: % of original duration

Time Stretch Random

Offsets the time stretch factor specified by a random amount up to plus or minus the time stretch random value. This will be effective for the whole duration of the voice on which the time stretch will be applied. RTPC received during the playback will be considered only on the next playback.

Default Value: 0
Range: 0 to 200
Units: % of original duration

Output gain

The amount of gain applied to the output signal after the dynamic compression that makes up for potential gain losses.

Default Value: 0
Range: -24 to 24
Units: dB

info Note

This effect is only available within the Actor-Mixer hierarchy. It is also possible to use it inside the interactive music hierarchy but this is not recommended as it will affect the timings in an undesirable manner in the context of interactive music.

dangerous Warning

Time compression of streamed assets is not recommended and may cause source starvation due to higher throughput required. Time stretching on the other hand is not a problem for streaming sounds.


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