| Microsoft DirectX 9.0 |
The Volume Envelope effect sets the volume on an audio stream.
Class ID (CLSID): {036A9790-C153-11D2-9EF7-006008039E37}
CLSID Variable Name: CLSID_AudMixer
Properties
| Property | Type | Default | Description |
| Vol | double | 1.0 | Volume, as a percentage of the authored volume. You can produce audio fades by varying this property value over time. |
Remarks
Each object in a timeline can have at most one volume envelope effect. In a composition or a group, the volume envelope is applied first, before any other audio effects, regardless of its priority. In a source or a track, the volume effect is applied according to its priority.