Using Audio Player Devices in UEFN
Use the Audio Player device to play audio in your project with your own custom sound waves and sound cues.
Finding and Placing the Device
- Open the Content Browser.
- Open the Fortnite folder index list.
- Open the Devices folder.
- Select the Audio Player device and drag the device into the viewport.
- Select the Audio Player device in the Outliner panel.
- Configure the User Options for the Audio Player device in the Details panel.
User Options
This device plays a sound wave or sound cue asset when activated. When added to the viewport, the Audio device will appear as a small speaker. This mesh can be hidden during the game or customized to suit the world you are creating.
You can configure this device with the following options.
| Option | Value | Description |
|---|---|---|
| Audio | Select a sound wave or sound cue | The audio to play when the device is triggered to play. |
| Volume | 1.0, Select a Volume | Sets the volume for the audio. This is a linear setting, so 0.5 is half as loud and 2.0 is twice as loud as the source audio volume. |
| Visible in Game | False, True | Determines whether the device will be visible during the game. |
| Fade in Duration | 0.0, Select a Duration | The time it takes the sound to reach full volume in seconds when the device is triggered to play. |
| Fade Out Duration | 0.0, Select a Duration | The time it takes the sound to reach full volume in seconds when the device is triggered to stop. |
| Enabled During Phase | Always, None, Pre-Game Only, Gameplay Only, Create Only | Determines the game phase in which the device is automatically enabled. |
| Restart Audio when Activated | False, True | Determines whether audio will restart when triggered to play. If not set, activations will be ignored if audio is already playing. |
| Play on Hit | True, False | Determines whether the audio will play when hit by the player. |
| Can be Heard By | Everyone, Instigator Only, Registered Players Only, Non-Registered Players Only | Determines who will be able to hear audio from this device. |
| Play Location | Device, Local Player, Registered Players, Instigating Players | Determines if the audio should be played from the device location or the location of any registered players. |
| Playback Speed | 1.0, Select a Play Rate | Raises or lowers the pitch of the audio by changing the playback speed. 2.0 is twice as fast, 0.5 is half-speed as the source audio volume. |
| Enable Spatialization | True, False | Enables audio panning based on position relative to the listener. |
| Enable Volume Attenuation | True, False | Enables volume changes based on proximity to the listener. Source audio will become quieter the further the listener is from the location of the sound. |
| Attenuation Function | Linear, Logarithmic | Defines the mapping function between the Attenuation Min Distance and Attenuation Falloff Distance. |
| Attenuation Min Distance | 4.0, Set a Distance | The range in which the audio will remain at the value set in the Volume setting. |
| Attenuation Falloff Distance | 32.0, Set a Distance | The range from Attenuation Min Distance over which the sound will go from set Volume to silent |
| Enable Attenuation Visuals | False, True | If set, shows additional attenuation visuals while editing. |
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