 
 	if(settings.xml != 1) {
 		printf("GPGPU-Based recursive sound synthesis filter.\n\n");
-
-		if(argc == 1) {
-			printf("Available parameters:\n", argv[0]);
-			printf("  -g         use GPU\n");
-			printf("  -f <int>   number of filters\n");
-			printf("  -c <int>   chunksize\n");
-			printf("  -s <int>   length of signals in seconds\n");
-			printf("  -l <float> length of string\n\n");
-			printf("  -x         return benchmark data as XML\n\n");
-			return 1;
-		}
+		printf("Use option -h to see all available switches.\n\n");
 	}
 
 

			case 'x':
				settings.xml = 1;
				break;
			case '?':
				return 1;
			default:


	setlocale(LC_ALL, "");

	while ((c = getopt (argc, argv, "gf:c:s:l:xh")) != -1) {
		switch (c) {
			case 'g':
				settings.mode = 1;
