public static void PreviewStop()
{
if (previewEventInstance.isValid())
{
previewEventInstance.stop(FMOD.Studio.STOP_MODE.IMMEDIATE);
previewEventInstance.release();
previewEventInstance.clearHandle();
previewEventDesc.clearHandle();
previewBanks.ForEach(x => { x.unload(); x.clearHandle(); });
masterBanks.ForEach(x => { x.unload(); x.clearHandle(); });
previewState = PreviewState.Stopped;
}
}