diff -ru meterbridge-0.9.2/src/envelopes.c /home/nedko/mysrc/meterbridge-0.9.2/src/envelopes.c
--- meterbridge-0.9.2/src/envelopes.c	2003-06-05 12:35:41.000000000 +0300
+++ /home/nedko/mysrc/meterbridge-0.9.2/src/envelopes.c	2006-11-18 16:45:14.000000000 +0200
@@ -1,3 +1,4 @@
+/* -*- Mode: C ; tab-width: 8 ; indent-tabs-mode: t ; c-basic-offset: 8 ; -*- */
 #include <math.h>
 #include <jack/jack.h>
 
@@ -105,10 +106,6 @@
 	unsigned int i, port;
 	jack_default_audio_sample_t *in, *out;
 
-	if (meter_freeze) {
-		return 0;
-	}
-
 	for (port = 0; port < num_meters; port++) {
 		/* just incase the port isn't registered yet */
 		if (input_ports[port] == 0 || output_ports[port] == 0) {
@@ -119,10 +116,14 @@
 		out = (jack_default_audio_sample_t *) jack_port_get_buffer(output_ports[port], nframes);
 		for (i=0; i<nframes; i++) {
 			out[i] = in[i];
-			ring_buf[port][(pos + i) & (RING_BUF_SIZE - 1)] = in[i];
+			if (!meter_freeze) {
+				ring_buf[port][(pos + i) & (RING_BUF_SIZE - 1)] = in[i];
+			}
 		}
 	}
-	pos = (pos + nframes) & (RING_BUF_SIZE - 1);
+	if (!meter_freeze) {
+		pos = (pos + nframes) & (RING_BUF_SIZE - 1);
+	}
 
 	return 0;
 }
diff -ru meterbridge-0.9.2/src/jf_meters.c /home/nedko/mysrc/meterbridge-0.9.2/src/jf_meters.c
--- meterbridge-0.9.2/src/jf_meters.c	2003-06-05 14:23:07.000000000 +0300
+++ /home/nedko/mysrc/meterbridge-0.9.2/src/jf_meters.c	2006-11-18 17:15:08.000000000 +0200
@@ -1,3 +1,4 @@
+/* -*- Mode: C ; tab-width: 8 ; indent-tabs-mode: t ; c-basic-offset: 8 ; -*- */
 #include <math.h>
 #include <SDL.h>
 #include <SDL_image.h>
@@ -71,6 +72,9 @@
 
 			SDL_FillRect(meter, buf_rect, trace);
                         SDL_BlitSurface(meter_buf, buf_rect, screen, buf_rect+i);
+			if (meter_freeze) {
+				continue;
+			}
                         for (j=0; j<RING_BUF_SIZE; j++) {
 				xm1 = x;
 				ym1 = y;
@@ -126,7 +130,11 @@
 			if (cor_rect.w > 100) printf("%d\t%f\n", cor_rect.w, tau_lp[i]);
 		}
 		SDL_UpdateRects(screen, 1, &win);
-		SDL_Delay(25);
+		if (meter_freeze) {
+			SDL_Delay(250);
+		} else {
+			SDL_Delay(25);
+		}
 	}
 
 	return 0;
diff -ru meterbridge-0.9.2/src/main.c /home/nedko/mysrc/meterbridge-0.9.2/src/main.c
--- meterbridge-0.9.2/src/main.c	2003-06-05 14:32:30.000000000 +0300
+++ /home/nedko/mysrc/meterbridge-0.9.2/src/main.c	2006-11-18 16:32:03.000000000 +0200
@@ -1,3 +1,4 @@
+/* -*- Mode: C ; tab-width: 8 ; indent-tabs-mode: t ; c-basic-offset: 8 ; -*- */
 #include <stdlib.h>
 #include <stdio.h>
 #include <math.h>
@@ -268,11 +269,17 @@
 			case SDL_QUIT:
 				cleanup();
 				break;
-			case 5:
-				meter_freeze = 1;
-				break;
-			case 6:
-				meter_freeze = 0;
+			case SDL_MOUSEBUTTONDOWN:
+				if (!meter_freeze)
+				{
+					printf("meter freeze\n");
+					meter_freeze = 1;
+				}
+				else
+				{
+					printf("meter unfreeze\n");
+					meter_freeze = 0;
+				}
 				break;
 			default:
 				//printf("%d\n", event.type);
diff -ru meterbridge-0.9.2/src/scope.c /home/nedko/mysrc/meterbridge-0.9.2/src/scope.c
--- meterbridge-0.9.2/src/scope.c	2003-06-05 12:21:38.000000000 +0300
+++ /home/nedko/mysrc/meterbridge-0.9.2/src/scope.c	2006-11-18 17:15:59.000000000 +0200
@@ -1,3 +1,4 @@
+/* -*- Mode: C ; tab-width: 8 ; indent-tabs-mode: t ; c-basic-offset: 8 ; -*- */
 #include <math.h>
 #include <SDL.h>
 #include <SDL_image.h>
@@ -33,6 +34,9 @@
 			int x=0, y=128, ym1, base;
 
                         SDL_BlitSurface(meter_buf, buf_rect, screen, buf_rect+i);
+			if (meter_freeze) {
+				continue;
+			}
 			for (base = 0; base < RING_BUF_SIZE - 257; base++) {
 				if (ring_buf[i][base] <= 0.0f &&
 						ring_buf[i][base+1] > 0.0f) {
@@ -58,7 +62,11 @@
                         }
 		}
 		SDL_UpdateRects(screen, 1, &win);
-		SDL_Delay(50);
+		if (meter_freeze) {
+			SDL_Delay(250);
+		} else {
+			SDL_Delay(50);
+		}
 	}
 
 	return 0;