diff --git a/msk.c b/msk.c
index aec871b..16b6143 100644
--- a/msk.c
+++ b/msk.c
@@ -110,7 +110,7 @@ void demodMSK(channel_t *ch, int len)
 			v /= lvl + 1e-8;
 
 			/* update level exp moving average. Average over last 16*8 bits */
-			lvl = lvl * lvl / 4;
+			lvl = lvl * lvl;
 			ch->MskLvl = ch->MskLvl - (1.0F/128.0F * (ch->MskLvl - lvl));
 
 			if (ch->MskS & 1) {
diff --git a/soundfile.c b/soundfile.c
index c964cb3..8170a36 100644
--- a/soundfile.c
+++ b/soundfile.c
@@ -174,7 +174,7 @@ int runSoundfileSample(void)
 			for (i = 0; i < nbi; i++) {			// vectorizable
 				for (d = 0, j = 0; j < mult; j++)	// vectorizable
 					d += sndbuff[n + (i*mult + j) * nch];
-				R.channels[n].dm_buffer[i] = d / mult;
+				R.channels[n].dm_buffer[i] = d / mult / 2;	// normalize to half-scale for power readout
 			}
 		}
 		for (n = 0; n < nch; n++)