diff --git a/lddecode_core.py b/lddecode_core.py
index c48beb64d..1ab9c881c 100644
--- a/lddecode_core.py
+++ b/lddecode_core.py
@@ -167,7 +167,7 @@ def __init__(self, inputfreq = 40, system = 'NTSC', blocklen_ = 16384, decode_an
         if system == 'NTSC':
             self.SysParams = SysParams_NTSC
             self.DecoderParams = RFParams_NTSC
-            self.mtf_mult *= .32
+            self.mtf_mult *= .7
         elif system == 'PAL':
             self.SysParams = SysParams_PAL
             self.DecoderParams = RFParams_PAL
@@ -1339,7 +1339,6 @@ def readframe(self, infile, sample, firstframe = False, CAV = False):
         
         if not self.vbi['isclv'] and self.vbi['framenr'] is not None:
             newmtf = 1 - (self.vbi['framenr'] / 10000)
-            print(newmtf)
             if newmtf < 0:
                 newmtf = 0