/// <summary>
        /// Removes a listener for new file events.
        /// </summary>
        public void RemoveNewFileListener(IAudioFileProcessListener l)
        {
            if (l == null)
            {
                return;
            }

            FileListeners.Remove(l);
        }
        /// <summary>
        /// Adds a new listener for new file events.
        /// </summary>
        public void AddNewFileListener(IAudioFileProcessListener l)
        {
            if (l == null)
            {
                return;
            }

            FileListeners.Add(l);
        }