diff --git a/radio/tests/interpolation/farrow/test.cpp b/radio/tests/interpolation/farrow/test.cpp
index f37d60c..27b5092 100644
--- a/radio/tests/interpolation/farrow/test.cpp
+++ b/radio/tests/interpolation/farrow/test.cpp
@@ -9,14 +9,41 @@
 
 using namespace Radio;
 
+CVec wavLoad(const char *pName)
+{
+	WAV wav;
+	WavOpen(&wav, pName);
+	CVec res(wav.m_numSamples);
+
+	const size_t BLOCK_SIZE = 65536;
+	int16_t *pWavInterleaved = (int16_t*)malloc(BLOCK_SIZE*wav.m_nChannels*sizeof(int16_t));
+	
+	float *pWav[2];
+	
+	pWav[0] = (float*)malloc(BLOCK_SIZE*sizeof(float));
+	pWav[1] = (float*)malloc(BLOCK_SIZE*sizeof(float));
+
+	size_t remain = wav.m_numSamples;
+	while(remain)
+	{
+		size_t size = std::min(remain, BLOCK_SIZE);
+		size_t numRead = WavRead(&wav, pWavInterleaved, size);
+		WavDeIlvdFloat(&wav, pWavInterleaved, pWav, numRead);
+		for (int j=0; j < numRead; j++)
+		{
+			res[j] = ComplexScalar(pWav[0][j], pWav[1][j]);
+		}
+		remain -= numRead;
+	}
+	return res;
+
+}
 void test()
 {
-	WAV wavRead;
-
-	WavOpen(&wavRead, "m2_12k_12k_i_q.wav");
 
 	Interpolation::Farrow m_farrow;
-
+	m_farrow.load("/home/jens/farrow_coeff.dat");
+	
 	// Loop-Filter
 	lead_lag_filter_t m_loop_filter_str;
 	lead_lag_coeff_t str_loopfilter_coeff;
@@ -27,9 +54,8 @@ void test()
 
 	radio_float_t m_Vc;
 
-	size_t len = 0;
-	CVec iq;
-
+	CVec iq = wavLoad("m2_12k_12k_i_q.wav");
+	size_t len = iq.size();
 	for (size_t n = 0; n < len; n++)
 	{
 		// @2 x symbolrate