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Acoustic Texture Editor

The Acoustic Texture Editor is where you define properties for Acoustic Textures.

Interface Element

Description

Name

The name of the Acoustic Texture.

Shared by

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

Notes

Any additional information about the Acoustic Texture.

Acoustic Texture Settings

Frequency Absorption

The percentage by which sound within a relative frequency range is dampened. The adjustable percentage slider (0 to 100), for each of the following frequency bands, is potentially offset by the global slider at the bottom, ranging from -100 to 100%, to give the applied percentage value (-100 to 200) indicated in the boxes to the right of the frequency band sliders.

In the case of Reflect, a negative value is understood as a zero. It indicates a full, undampened reflection, not a resonant one.

[Note]Note

Although the definitions below suggest absolute cutoffs between the different Frequency Absorption bands, there is some overlap.

The Hz values for each band are defined by the plug-in, such as Reflect, that works with the Acoustic Texture.

Material Filtering in the Reflect plug-in is by default set to Favor Performance, which uses four times less CPU. You can change this setting to Favor Quality in the Reflect properties.

Frequency Bands

Absorption Low

All frequencies below the Mid Low band.

Default value: 0

Range: 0 to 100

Absorption Mid Low

All frequencies below the Mid High band but higher than the Low band.

Default value: 0

Range: 0 to 100

Absorption Mid High

All frequencies below the High band but higher than the Mid Low band.

Default value: 0

Range: 0 to 100

Absorption High

All frequencies higher than the Mid High band.

Default value: 0

Range: 0 to 100

Absorption Offset

A slider value which moves all the values of the above frequency band sliders by that amount, giving an offset applied percentage value.

Default value: 0

Range: -100 to 100

When using the Reflect plug-in and Material Filtering is set to Favor Performance in the Reflect properties, the Absorption Mid Low and Absorption Mid High together parameterize a single mid-absorption. This mid-absorption is calculated as sqrt(Absorption Mid Low * Absorption Mid High). For example, if Absorption Mid Low is 4 and Absorption Mid High is 25, the mid-absorption is 10 when Material Filtering is set to Favor Performance.


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