diff --git a/plugins/channelrx/demodam/amdemod.cpp b/plugins/channelrx/demodam/amdemod.cpp
index 105b77d08..0adb68cd9 100644
--- a/plugins/channelrx/demodam/amdemod.cpp
+++ b/plugins/channelrx/demodam/amdemod.cpp
@@ -34,7 +34,7 @@ AMDemod::AMDemod() :
 	m_magsqCount(0),
 	m_movingAverage(40, 0),
     m_volumeAGC(2400, 1.0),
-    m_audioFifo(4, 48000),
+    m_audioFifo(48000),
     m_settingsMutex(QMutex::Recursive)
 {
 	setObjectName("AMDemod");
diff --git a/plugins/channelrx/demodbfm/bfmdemod.cpp b/plugins/channelrx/demodbfm/bfmdemod.cpp
index 8eb25970d..8cbef582e 100644
--- a/plugins/channelrx/demodbfm/bfmdemod.cpp
+++ b/plugins/channelrx/demodbfm/bfmdemod.cpp
@@ -36,7 +36,7 @@ const Real BFMDemod::default_deemphasis = 50.0; // 50 us
 
 BFMDemod::BFMDemod(BasebandSampleSink* sampleSink, RDSParser *rdsParser) :
 	m_sampleSink(sampleSink),
-	m_audioFifo(4, 250000),
+	m_audioFifo(250000),
 	m_settingsMutex(QMutex::Recursive),
 	m_pilotPLL(19000/384000, 50/384000, 0.01),
     m_rdsParser(rdsParser),
diff --git a/plugins/channelrx/demoddsd/dsddemod.cpp b/plugins/channelrx/demoddsd/dsddemod.cpp
index 195dba0ee..dec3bfd6e 100644
--- a/plugins/channelrx/demoddsd/dsddemod.cpp
+++ b/plugins/channelrx/demoddsd/dsddemod.cpp
@@ -38,8 +38,8 @@ DSDDemod::DSDDemod(BasebandSampleSink* sampleSink) :
 	m_squelchOpen(false),
     m_movingAverage(40, 0),
     m_fmExcursion(24),
-	m_audioFifo1(4, 48000),
-    m_audioFifo2(4, 48000),
+	m_audioFifo1(48000),
+    m_audioFifo2(48000),
     m_scope(sampleSink),
     m_scopeEnabled(true),
     m_dsdDecoder(),
diff --git a/plugins/channelrx/demodnfm/nfmdemod.cpp b/plugins/channelrx/demodnfm/nfmdemod.cpp
index 328edd4aa..9994ec4a0 100644
--- a/plugins/channelrx/demodnfm/nfmdemod.cpp
+++ b/plugins/channelrx/demodnfm/nfmdemod.cpp
@@ -47,7 +47,7 @@ NFMDemod::NFMDemod() :
     m_movingAverage(40, 0),
     m_afSquelch(2, afSqTones),
     m_fmExcursion(2400),
-    m_audioFifo(4, 48000),
+    m_audioFifo(48000),
     m_settingsMutex(QMutex::Recursive)
 {
 	setObjectName("NFMDemod");
diff --git a/plugins/channelrx/demodssb/ssbdemod.cpp b/plugins/channelrx/demodssb/ssbdemod.cpp
index 8c8f2159a..387b7bdb4 100644
--- a/plugins/channelrx/demodssb/ssbdemod.cpp
+++ b/plugins/channelrx/demodssb/ssbdemod.cpp
@@ -41,7 +41,7 @@ SSBDemod::SSBDemod(BasebandSampleSink* sampleSink) :
     m_agcThresholdGate(0),
     m_audioActive(false),
     m_sampleSink(sampleSink),
-    m_audioFifo(4, 24000),
+    m_audioFifo(24000),
     m_settingsMutex(QMutex::Recursive)
 {
 	setObjectName("SSBDemod");
diff --git a/plugins/channelrx/demodwfm/wfmdemod.cpp b/plugins/channelrx/demodwfm/wfmdemod.cpp
index 5dd1a936a..1e0dcfb48 100644
--- a/plugins/channelrx/demodwfm/wfmdemod.cpp
+++ b/plugins/channelrx/demodwfm/wfmdemod.cpp
@@ -36,7 +36,7 @@ WFMDemod::WFMDemod(BasebandSampleSink* sampleSink) :
     m_magsqCount(0),
     m_movingAverage(40, 0),
     m_sampleSink(sampleSink),
-    m_audioFifo(4, 250000),
+    m_audioFifo(250000),
     m_settingsMutex(QMutex::Recursive)
 
 {
diff --git a/plugins/channelrx/udpsrc/udpsrc.cpp b/plugins/channelrx/udpsrc/udpsrc.cpp
index fb727450e..a7c3b75dc 100644
--- a/plugins/channelrx/udpsrc/udpsrc.cpp
+++ b/plugins/channelrx/udpsrc/udpsrc.cpp
@@ -35,7 +35,7 @@ UDPSrc::UDPSrc(MessageQueue* uiMessageQueue, UDPSrcGUI* udpSrcGUI, BasebandSampl
     m_outMovingAverage(480, 1e-10),
     m_inMovingAverage(480, 1e-10),
     m_amMovingAverage(1200, 1e-10),
-    m_audioFifo(4, 24000),
+    m_audioFifo(24000),
     m_squelchOpen(false),
     m_squelchOpenCount(0),
     m_squelchCloseCount(0),
diff --git a/plugins/channeltx/modam/ammod.cpp b/plugins/channeltx/modam/ammod.cpp
index 730791de7..dc724f09b 100644
--- a/plugins/channeltx/modam/ammod.cpp
+++ b/plugins/channeltx/modam/ammod.cpp
@@ -38,7 +38,7 @@ const int AMMod::m_levelNbSamples = 480; // every 10ms
 AMMod::AMMod() :
     m_movingAverage(40, 0),
     m_volumeAGC(40, 0),
-    m_audioFifo(4, 4800),
+    m_audioFifo(4800),
 	m_settingsMutex(QMutex::Recursive),
 	m_fileSize(0),
 	m_recordLength(0),
diff --git a/plugins/channeltx/modnfm/nfmmod.cpp b/plugins/channeltx/modnfm/nfmmod.cpp
index bb8ff9d2e..1e2fc94ff 100644
--- a/plugins/channeltx/modnfm/nfmmod.cpp
+++ b/plugins/channeltx/modnfm/nfmmod.cpp
@@ -39,7 +39,7 @@ NFMMod::NFMMod() :
 	m_modPhasor(0.0f),
     m_movingAverage(40, 0),
     m_volumeAGC(40, 0),
-    m_audioFifo(4, 4800),
+    m_audioFifo(4800),
 	m_settingsMutex(QMutex::Recursive),
 	m_fileSize(0),
 	m_recordLength(0),
diff --git a/plugins/channeltx/modssb/ssbmod.cpp b/plugins/channeltx/modssb/ssbmod.cpp
index 61b9b80b7..71405ace8 100644
--- a/plugins/channeltx/modssb/ssbmod.cpp
+++ b/plugins/channeltx/modssb/ssbmod.cpp
@@ -46,7 +46,7 @@ SSBMod::SSBMod(BasebandSampleSink* sampleSink) :
 	m_DSBFilterBufferIndex(0),
     m_sampleSink(sampleSink),
     m_movingAverage(40, 0),
-    m_audioFifo(4, 4800),
+    m_audioFifo(4800),
 	m_settingsMutex(QMutex::Recursive),
 	m_fileSize(0),
 	m_recordLength(0),
diff --git a/plugins/channeltx/modwfm/wfmmod.cpp b/plugins/channeltx/modwfm/wfmmod.cpp
index 62e4fcf8b..d6be5516d 100644
--- a/plugins/channeltx/modwfm/wfmmod.cpp
+++ b/plugins/channeltx/modwfm/wfmmod.cpp
@@ -40,7 +40,7 @@ WFMMod::WFMMod() :
 	m_modPhasor(0.0f),
     m_movingAverage(40, 0),
     m_volumeAGC(40, 0),
-    m_audioFifo(4, 4800),
+    m_audioFifo(4800),
 	m_settingsMutex(QMutex::Recursive),
     m_fileSize(0),
 	m_recordLength(0),
diff --git a/sdrbase/audio/audiofifo.cpp b/sdrbase/audio/audiofifo.cpp
index 6bf1d11ec..daa5a8582 100644
--- a/sdrbase/audio/audiofifo.cpp
+++ b/sdrbase/audio/audiofifo.cpp
@@ -34,7 +34,7 @@ AudioFifo::AudioFifo() :
 	m_tail = 0;
 }
 
-AudioFifo::AudioFifo(uint32_t sampleSize, uint32_t numSamples) :
+AudioFifo::AudioFifo(uint32_t numSamples) :
 	m_fifo(0),
     m_sampleSize(sizeof(AudioSample)),
     m_udpSink(0),
@@ -42,7 +42,7 @@ AudioFifo::AudioFifo(uint32_t sampleSize, uint32_t numSamples) :
 {
 	QMutexLocker mutexLocker(&m_mutex);
 
-	create(sampleSize, numSamples);
+	create(numSamples);
 }
 
 AudioFifo::~AudioFifo()
@@ -61,11 +61,11 @@ AudioFifo::~AudioFifo()
 	m_size = 0;
 }
 
-bool AudioFifo::setSize(uint32_t sampleSize, uint32_t numSamples)
+bool AudioFifo::setSize(uint32_t numSamples)
 {
 	QMutexLocker mutexLocker(&m_mutex);
 
-	return create(sampleSize, numSamples);
+	return create(numSamples);
 }
 
 uint AudioFifo::write(const quint8* data, uint32_t numSamples, int timeout_ms)
@@ -258,7 +258,7 @@ void AudioFifo::clear()
 	m_writeWaitCondition.wakeOne();
 }
 
-bool AudioFifo::create(uint32_t sampleSize, uint32_t numSamples)
+bool AudioFifo::create(uint32_t numSamples)
 {
 	if(m_fifo != 0)
 	{
diff --git a/sdrbase/audio/audiofifo.h b/sdrbase/audio/audiofifo.h
index 2585ac875..2df7a04a0 100644
--- a/sdrbase/audio/audiofifo.h
+++ b/sdrbase/audio/audiofifo.h
@@ -28,10 +28,10 @@ class SDRANGEL_API AudioFifo : public QObject {
 	Q_OBJECT
 public:
 	AudioFifo();
-	AudioFifo(uint32_t sampleSize, uint32_t numSamples);
+	AudioFifo(uint32_t numSamples);
 	~AudioFifo();
 
-	bool setSize(uint32_t sampleSize, uint32_t numSamples);
+	bool setSize(uint32_t numSamples);
 
 	uint32_t write(const quint8* data, uint32_t numSamples, int timeout_ms = INT_MAX);
 	uint32_t read(quint8* data, uint32_t numSamples, int timeout_ms = INT_MAX);
@@ -68,7 +68,7 @@ private:
 	UDPSink<qint16> *m_udpSink;
 	bool m_copyToUDP;
 
-	bool create(uint32_t sampleSize, uint32_t numSamples);
+	bool create(uint32_t numSamples);
 };
 
 #endif // INCLUDE_AUDIOFIFO_H