diff --git a/radio/interpolation/Farrow.hpp b/radio/interpolation/Farrow.hpp
index b4a3f3d..bcf0fb5 100644
--- a/radio/interpolation/Farrow.hpp
+++ b/radio/interpolation/Farrow.hpp
@@ -70,7 +70,7 @@ public:
 		m_fifo[m_w] = x;
 	}
 	
-	ComplexScalar process(ComplexScalar const &xin, RealScalar dmu)
+	ComplexScalar process_new(ComplexScalar const &xin, RealScalar dmu)
 	{
 		size_t adv = m_interpolator.process(dmu);
 		m_bufferIn.write(&xin, 1);
@@ -101,29 +101,6 @@ public:
 		uint32_t i, r;
 		int32_t j;
 
-		if (pop and m_bufferIn.len() == 0)
-		{
-			return ComplexScalar(0,0);
-		}
-
-		for (int n=0; n < m_bufferIn.len(); n++)
-		{
-			ComplexScalar x;
-			m_bufferIn.read(&x, 1);
-			FirComplex::feed(x);
-
-			// Partial filter responses
-			for (i=0; i < m_M; i++)
-			{
-				m_h[i] = FirComplex::processReal(column(m_coeff, i));
-			}
-
-			// Combine
-			ComplexScalar y = horner(mu);
-			m_bufferOut.write(&y, 1);
-		}
-
-#if 0
 		m_r = (m_r + pop) % m_N;
 
 		if (pop)
@@ -140,7 +117,15 @@ public:
 				m_state[j--] = m_fifo[r++];
 			}
 		}
-#endif
+
+		// Partial filter responses
+		for (i=0; i < m_M; i++)
+		{
+			m_h[i] = FirComplex::processReal(column(m_coeff, i));
+		}
+
+		// Combine
+		return horner(mu);
 	}	
 
 	void load(const char *pFilename)
@@ -221,4 +206,4 @@ private:
 } // Radio::Interpolation
 } // ::Radio
 
-#endif // _INTERPOLATION_FARROW_HPP_
\ No newline at end of file
+#endif // _INTERPOLATION_FARROW_HPP_