AudioImporter.threeD  

var threeD : boolean

Description

Is this clip a 2D or 3D sound?

// C#: Prints a warning if the imported audio is a 2D sound.
class Warning2D extends AssetPostprocessor {
    function OnPreprocessAudio () {
        var audioImporter : AudioImporter = assetImporter;
        if(!audioImporter.threeD)
            Debug.LogWarning(assetPath + " is not a 3D audio.");
    }
}