UpdateAmbientCueTowardStopping()

void Terraria.Audio.IAudioSystem.UpdateAmbientCueTowardStopping	(	int	i,
		float	stoppingSpeed,
		ref float	trackVolume,
		float	systemVolume )

Implemented in Terraria.Audio.DisabledAudioSystem, and Terraria.Audio.LegacyAudioSystem.