diff --git a/FM.cpp b/FM.cpp
index 1bda3cb..aa484c3 100644
--- a/FM.cpp
+++ b/FM.cpp
@@ -21,15 +21,12 @@
 #include "FM.h"
 
 q15_t FILTER_COEFFS[] = {
-     26,     19,      6,     -7,    -13,     -7,      8,     27,     35,     22,    -10,    -48,    -70,    -60,    -21,     24,
-     41,      3,    -84,   -185,   -243,   -222,   -129,    -23,     15,    -66,   -257,   -471,   -591,   -539,   -332,    -94,
-      9,   -134,   -503,   -926,  -1160,  -1035,   -570,     -5,    300,     64,   -728,  -1747,  -2418,  -2171,   -732,   1688,
-   4417,   6564,   7376,   6564,   4417,   1688,   -732,  -2171,  -2418,  -1747,   -728,     64,    300,     -5,   -570,  -1035,
-  -1160,   -926,   -503,   -134,      9,    -94,   -332,   -539,   -591,   -471,   -257,    -66,     15,    -23,   -129,   -222,
-   -243,   -185,    -84,      3,     41,     24,    -21,    -60,    -70,    -48,    -10,     22,     35,     27,      8,     -7,
-    -13,     -7,      6,     19,     26};
+   -630,   -842,   -846,   -634,   -312,    -53,    -14,   -251,   -683,  -1113,  -1322,  -1179,   -718,   -147,    234,    172,
+   -399,  -1298,  -2124,  -2402,  -1783,   -201,   2051,   4399,   6169,   6827,   6169,   4399,   2051,   -201,  -1783,  -2402,
+  -2124,  -1298,   -399,    172,    234,   -147,   -718,  -1179,  -1322,  -1113,   -683,   -251,    -14,    -53,   -312,   -634,
+   -846,   -842,   -630};
 
-const uint16_t FILTER_COEFFS_LEN = 101U;
+const uint16_t FILTER_COEFFS_LEN = 51U;
 
 
 CFM::CFM() :