diff --git a/src/fft.c b/src/fft.c
index 5a6427c..c20e0a9 100755
--- a/src/fft.c
+++ b/src/fft.c
@@ -75,6 +75,18 @@
 }
 
 void
+normalize_fft(int inLen, unsigned int* fftSig)
+{
+	// normalize by dividing for the amplitude
+	int i;
+	int old;
+	for(i=0; i<inLen; i++){
+		fftSig[i] = (int)(10*fftSig[i]/(20*log10(fftSig[512])));
+		fprintf(stderr, "%d\n", fftSig[i]);
+	}
+}
+
+void
 fast_fft(int inLen, uint16_t *sig, unsigned int *fftSig)
 {
 	int i;
@@ -95,7 +107,7 @@
 	for(i=0; i<inLen; i++){
 		fftSig[i] = amplitude(outputComponents[i], inLen);
 	}
-
+	/*normalize_fft(inLen, fftSig);*/
 	free(outputComponents);
 }
 
diff --git a/src/music_visualizer.c b/src/music_visualizer.c
index c99bfef..ef4df18 100755
--- a/src/music_visualizer.c
+++ b/src/music_visualizer.c
@@ -18,9 +18,6 @@
 #include "utils_mpd.h"
 #include "settings.h"
 
-#define MPD_FIFO "/tmp/mpd.fifo"
-#define N_SAMPLES 1024
-#define MAXEVENTS 1
 
 static _Atomic bool getstatus = true;
 static int maxR = 0;
@@ -60,7 +57,7 @@
 
     // main loop to print column by column
     for(i=correction; i<maxC+correction; i++){
-        fftAvg[i] -= 20; // correction for display
+        fftAvg[i] -= REDUCTION; // correction for display
 
         // check boundaries (respect the boundaries of the screen, otherwise segvs)
         // if they don't, setting them to 1 is a safety measure
@@ -116,8 +113,9 @@
 			if(cnt == NICENESS) {
             	process_fifo(buf, fftBuf, fftAvg);
 				cnt = 0;
+			} else {
+				cnt++;
 			}
-			cnt++;
         }
         // refresh status at SIGALRM
         if(getstatus) {
diff --git a/src/settings.h b/src/settings.h
index e36c4f3..93805dc 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -1,11 +1,35 @@
-static char defHost[] = "localhost"; // the ip of mpd
-static unsigned int defPort = 6600;// the port as defined in mpd configs
-static char defDBlocation[] = "/home/francesco/.mpd/mpd.db"; // the location of the database to be used with the custom search
-#define TIMEOUT 1000 // timeout for connection, define at your own risk. Good values range between 1000 and 5000
-#define STATUS_REFRESH 5 // #seconds between each mpd status refresh
-#define NICENESS 0 // nuber of buffers whose computation is skipped (cyclically).
-				   // More skips mean less precision, nicer on older cpus
-				   // 0 -> do not skip
-				   // 1 -> process one out of two
-				   // 2 -> process one out of three
-				   // etc
+/*
+ **** MPD options
+ */
+
+static char defHost[] = "localhost";
+static unsigned int defPort = 6600;
+// database location, needed for libmpdclient
+static char defDBlocation[] = "/home/francesco/.mpd/mpd.db";
+// timeout for MPD connection to fail
+#define TIMEOUT 1000
+
+/*
+ **** Visualizer options
+ */
+
+// number of samples
+// (a power of 2)
+// NOTE: modifying the original value of 1024
+// might result in messy output
+#define N_SAMPLES 1024
+// path to the MPD named pipe
+// (defined: 'mpd.conf')
+#define MPD_FIFO "/tmp/mpd.fifo"
+// seconds between each mpd status refresh
+#define STATUS_REFRESH 5
+// nuber of buffers whose computation is skipped (cyclically).
+// More skips mean less precision, nicer on older CPUs
+// 0 -> do not skip
+// 1 -> process one out of two
+// 2 -> process one out of three
+// etc
+#define NICENESS 0
+// subtracted to each component (visualized column)
+// adjust according to screen height
+#define REDUCTION 20