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Surface Explorer 4D features a dedicated audio engine that supports both physical audio tracks and procedural synthesizers, allowing you to combine breathtaking visuals with dynamic soundscapes.

The library recognizes two types of audio elements within the Sounds tab:

• Physical Audio (Music): Standard .mp3, .wav, and .ogg files. These are automatically labeled with an [AUDIO] tag in the Library tree so you can easily distinguish them.
• Procedural Audio (Synth): .json files containing mathematical formulas or script code designed to generate sound waves dynamically using the internal synthesizer.

Audio tracks and synths are directly integrated into your visual scripts. To apply a sound to your current visual creation:

1. Open the Sounds tab in the Library panel.
2. Single-click any audio file or procedural preset in the tree.
3. The software will automatically clean up any previous audio directives, inject the new sound at the top of your current script Editor, and start playing it instantly!
4. To stop playback, single-click the same file again.

Behind the scenes, clicking an item injects one of these special directives into your code:

• //MUSIC: path/to/file.mp3 - Tells the media player to stream the background music track.
• //SYNTH: formula - Feeds the mathematical formula to the internal synthesizer to generate procedural sounds.

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