diff --git a/plugins/channelrx/demodam/amdemod.cpp b/plugins/channelrx/demodam/amdemod.cpp
index c0212b40b..2f4020b80 100644
--- a/plugins/channelrx/demodam/amdemod.cpp
+++ b/plugins/channelrx/demodam/amdemod.cpp
@@ -77,7 +77,7 @@ void AMDemod::feed(const SampleVector::const_iterator& begin, const SampleVector
 		Complex c(it->real(), it->imag());
 		c *= m_nco.nextIQ();
 
-		if (m_interpolator.interpolate(&m_interpolatorDistanceRemain, c, &ci))
+		if (m_interpolator.decimate(&m_interpolatorDistanceRemain, c, &ci))
 		{
 			//m_sampleBuffer.push_back(Sample(ci.real() * 32767.0, ci.imag() * 32767.0));
 			m_sampleBuffer.push_back(Sample(ci.real(), ci.imag()));
diff --git a/plugins/channelrx/demodbfm/bfmdemod.cpp b/plugins/channelrx/demodbfm/bfmdemod.cpp
index d7ea77421..d0f794ec6 100644
--- a/plugins/channelrx/demodbfm/bfmdemod.cpp
+++ b/plugins/channelrx/demodbfm/bfmdemod.cpp
@@ -148,7 +148,7 @@ void BFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
 				//Complex r(demod * 2.0 * std::cos(3.0 * m_pilotPLLSamples[3]), 0.0);
 				Complex r(demod * 2.0 * std::cos(3.0 * m_pilotPLLSamples[3]), 0.0);
 
-				if (m_interpolatorRDS.interpolate(&m_interpolatorRDSDistanceRemain, r, &cr))
+				if (m_interpolatorRDS.decimate(&m_interpolatorRDSDistanceRemain, r, &cr))
 				{
 					bool bit;
 
@@ -185,7 +185,7 @@ void BFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
 					// 1.17 * 0.7 = 0.819
 					Complex s(demod * m_pilotPLLSamples[1], demod * m_pilotPLLSamples[2]);
 
-					if (m_interpolatorStereo.interpolate(&m_interpolatorStereoDistanceRemain, s, &cs))
+					if (m_interpolatorStereo.decimate(&m_interpolatorStereoDistanceRemain, s, &cs))
 					{
 						sampleStereo = cs.real() + cs.imag();
 						m_interpolatorStereoDistanceRemain += m_interpolatorStereoDistance;
@@ -195,7 +195,7 @@ void BFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
 				{
 					Complex s(demod * 1.17 * m_pilotPLLSamples[1], 0);
 
-					if (m_interpolatorStereo.interpolate(&m_interpolatorStereoDistanceRemain, s, &cs))
+					if (m_interpolatorStereo.decimate(&m_interpolatorStereoDistanceRemain, s, &cs))
 					{
 						sampleStereo = cs.real();
 						m_interpolatorStereoDistanceRemain += m_interpolatorStereoDistance;
@@ -205,7 +205,7 @@ void BFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
 
 			Complex e(demod, 0);
 
-			if (m_interpolator.interpolate(&m_interpolatorDistanceRemain, e, &ci))
+			if (m_interpolator.decimate(&m_interpolatorDistanceRemain, e, &ci))
 			{
 				if (m_running.m_audioStereo)
 				{
diff --git a/plugins/channelrx/demoddsd/dsddemod.cpp b/plugins/channelrx/demoddsd/dsddemod.cpp
index e72f0d289..5164c78fb 100644
--- a/plugins/channelrx/demoddsd/dsddemod.cpp
+++ b/plugins/channelrx/demoddsd/dsddemod.cpp
@@ -132,7 +132,7 @@ void DSDDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
 		Complex c(it->real(), it->imag());
 		c *= m_nco.nextIQ();
 
-        if (m_interpolator.interpolate(&m_interpolatorDistanceRemain, c, &ci))
+        if (m_interpolator.decimate(&m_interpolatorDistanceRemain, c, &ci))
         {
             qint16 sample, delayedSample;
 
diff --git a/plugins/channelrx/demodlora/lorademod.cpp b/plugins/channelrx/demodlora/lorademod.cpp
index 43d88cc63..937f080eb 100644
--- a/plugins/channelrx/demodlora/lorademod.cpp
+++ b/plugins/channelrx/demodlora/lorademod.cpp
@@ -250,7 +250,7 @@ void LoRaDemod::feed(const SampleVector::const_iterator& begin, const SampleVect
 		Complex c(it->real() / 32768.0f, it->imag() / 32768.0f);
 		c *= m_nco.nextIQ();
 
-		if(m_interpolator.interpolate(&m_sampleDistanceRemain, c, &ci))
+		if(m_interpolator.decimate(&m_sampleDistanceRemain, c, &ci))
 		{
 			m_chirp = (m_chirp + 1) & (SPREADFACTOR - 1);
                         m_angle = (m_angle + m_chirp) & (SPREADFACTOR - 1);
diff --git a/plugins/channelrx/demodnfm/nfmdemod.cpp b/plugins/channelrx/demodnfm/nfmdemod.cpp
index 3b8c51f5d..4e778194c 100644
--- a/plugins/channelrx/demodnfm/nfmdemod.cpp
+++ b/plugins/channelrx/demodnfm/nfmdemod.cpp
@@ -140,7 +140,7 @@ void NFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
 		c *= m_nco.nextIQ();
 
 		{
-			if (m_interpolator.interpolate(&m_interpolatorDistanceRemain, c, &ci))
+			if (m_interpolator.decimate(&m_interpolatorDistanceRemain, c, &ci))
 			{
 
 				qint16 sample;
diff --git a/plugins/channelrx/demodssb/ssbdemod.cpp b/plugins/channelrx/demodssb/ssbdemod.cpp
index 5b89e437e..ba8490a7c 100644
--- a/plugins/channelrx/demodssb/ssbdemod.cpp
+++ b/plugins/channelrx/demodssb/ssbdemod.cpp
@@ -101,7 +101,7 @@ void SSBDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
 		Complex c(it->real(), it->imag());
 		c *= m_nco.nextIQ();
 
-		if(m_interpolator.interpolate(&m_sampleDistanceRemain, c, &ci))
+		if(m_interpolator.decimate(&m_sampleDistanceRemain, c, &ci))
 		{
 			if (m_dsb)
 			{
diff --git a/plugins/channelrx/demodwfm/wfmdemod.cpp b/plugins/channelrx/demodwfm/wfmdemod.cpp
index 841707c6b..eeb3c61f8 100644
--- a/plugins/channelrx/demodwfm/wfmdemod.cpp
+++ b/plugins/channelrx/demodwfm/wfmdemod.cpp
@@ -118,7 +118,7 @@ void WFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
 
 			Complex e(demod, 0);
 
-			if(m_interpolator.interpolate(&m_interpolatorDistanceRemain, e, &ci))
+			if(m_interpolator.decimate(&m_interpolatorDistanceRemain, e, &ci))
 			{
 				quint16 sample = (qint16)(ci.real() * 3000 * m_running.m_volume);
 				m_sampleBuffer.push_back(Sample(sample, sample));
diff --git a/plugins/channelrx/tcpsrc/tcpsrc.cpp b/plugins/channelrx/tcpsrc/tcpsrc.cpp
index 1ed8a73d1..3db06de1f 100644
--- a/plugins/channelrx/tcpsrc/tcpsrc.cpp
+++ b/plugins/channelrx/tcpsrc/tcpsrc.cpp
@@ -92,7 +92,7 @@ void TCPSrc::feed(const SampleVector::const_iterator& begin, const SampleVector:
 		Complex c(it->real(), it->imag());
 		c *= m_nco.nextIQ();
 
-		if(m_interpolator.interpolate(&m_sampleDistanceRemain, c, &ci))
+		if(m_interpolator.decimate(&m_sampleDistanceRemain, c, &ci))
 		{
 			m_magsq = ((ci.real()*ci.real() +  ci.imag()*ci.imag())*rescale*rescale) / (1<<30);
 			m_sampleBuffer.push_back(Sample(ci.real() * rescale, ci.imag() * rescale));
diff --git a/plugins/channelrx/udpsrc/udpsrc.cpp b/plugins/channelrx/udpsrc/udpsrc.cpp
index 28cc681e4..07b806dde 100644
--- a/plugins/channelrx/udpsrc/udpsrc.cpp
+++ b/plugins/channelrx/udpsrc/udpsrc.cpp
@@ -149,7 +149,7 @@ void UDPSrc::feed(const SampleVector::const_iterator& begin, const SampleVector:
 		Complex c(it->real(), it->imag());
 		c *= m_nco.nextIQ();
 
-		if(m_interpolator.interpolate(&m_sampleDistanceRemain, c, &ci))
+		if(m_interpolator.decimate(&m_sampleDistanceRemain, c, &ci))
 		{
 			m_magsq = ((ci.real()*ci.real() +  ci.imag()*ci.imag())*rescale*rescale) / (1<<30);
 			Sample s(ci.real() * rescale, ci.imag() * rescale);
diff --git a/sdrbase/dsp/interpolator.h b/sdrbase/dsp/interpolator.h
index 6ec98977f..cdd7055ef 100644
--- a/sdrbase/dsp/interpolator.h
+++ b/sdrbase/dsp/interpolator.h
@@ -20,7 +20,7 @@ public:
 	void free();
 
 	// Original code allowed for upsampling, but was never used that way
-	bool interpolate(Real *distance, const Complex& next, Complex* result)
+	bool decimate(Real *distance, const Complex& next, Complex* result)
 	{
 		advanceFilter(next);
 		*distance -= 1.0;