diff --git a/plugins/channelrx/demoddatv/datvdemod.cpp b/plugins/channelrx/demoddatv/datvdemod.cpp
index 9401487d7..45ba214e7 100644
--- a/plugins/channelrx/demoddatv/datvdemod.cpp
+++ b/plugins/channelrx/demoddatv/datvdemod.cpp
@@ -947,6 +947,20 @@ void DATVDemod::applySettings(const DATVDemodSettings& settings, bool force)
         // }
     }
 
+    if ((settings.m_audioVolume) != (m_settings.m_audioVolume) || force)
+    {
+        if (m_objRegisteredVideoRender) {
+            m_objRegisteredVideoRender->setAudioVolume(settings.m_audioVolume);
+        }
+    }
+
+    if ((settings.m_audioMute) != (m_settings.m_audioMute) || force)
+    {
+        if (m_objRegisteredVideoRender) {
+            m_objRegisteredVideoRender->setAudioMute(settings.m_audioMute);
+        }
+    }
+
     if (m_settings.isDifferent(settings) || force)
     {
         m_objSettingsMutex.lock();
diff --git a/plugins/channelrx/demoddatv/datvdemodgui.cpp b/plugins/channelrx/demoddatv/datvdemodgui.cpp
index 1a0cd6a3f..01b61ffec 100644
--- a/plugins/channelrx/demoddatv/datvdemodgui.cpp
+++ b/plugins/channelrx/demoddatv/datvdemodgui.cpp
@@ -234,6 +234,9 @@ void DATVDemodGUI::displaySettings()
     ui->rfBandwidth->setValue(m_settings.m_rfBandwidth);
     ui->spiSymbolRate->setValue(m_settings.m_symbolRate);
     ui->spiExcursion->setValue(m_settings.m_excursion);
+    ui->audioMute->setChecked(m_settings.m_audioMute);
+    ui->audioVolume->setValue(m_settings.m_audioVolume);
+    ui->audioVolumeText->setText(tr("%1").arg(m_settings.m_audioVolume));
 
     blockApplySettings(false);
     m_objChannelMarker.blockSignals(false);
@@ -347,6 +350,8 @@ void DATVDemodGUI::applySettings(bool force)
         m_settings.m_rollOff = ((float)ui->spiRollOff->value()) / 100.0f;
         m_settings.m_viterbi = ui->chkViterbi->isChecked();
         m_settings.m_excursion = ui->spiExcursion->value();
+        m_settings.m_audioMute = ui->audioMute->isChecked();
+        m_settings.m_audioVolume = ui->audioVolume->value();
 
         QString msg = tr("DATVDemodGUI::applySettings: force: %1").arg(force);
         m_settings.debug(msg);
@@ -628,6 +633,18 @@ void DATVDemodGUI::on_chkFastlock_clicked()
     applySettings();
 }
 
+void DATVDemodGUI::on_audioMute_toggled(bool checked)
+{
+    (void) checked;
+	applySettings();
+}
+
+void DATVDemodGUI::on_audioVolume_valueChanged(int value)
+{
+    ui->audioVolumeText->setText(tr("%1").arg(value));
+    applySettings();
+}
+
 void DATVDemodGUI::on_StreamMetaDataChanged(DataTSMetaData2 *objMetaData)
 {
     QString strMetaData="";
diff --git a/plugins/channelrx/demoddatv/datvdemodgui.h b/plugins/channelrx/demoddatv/datvdemodgui.h
index bc1d09cf2..8dfb66c5f 100644
--- a/plugins/channelrx/demoddatv/datvdemodgui.h
+++ b/plugins/channelrx/demoddatv/datvdemodgui.h
@@ -92,6 +92,8 @@ private slots:
     void on_spiExcursion_valueChanged(int arg1);
     void on_deltaFrequency_changed(qint64 value);
     void on_rfBandwidth_changed(qint64 value);
+    void on_audioMute_toggled(bool checked);
+    void on_audioVolume_valueChanged(int value);
 
 private:
     Ui::DATVDemodGUI* ui;
diff --git a/plugins/channelrx/demoddatv/datvdemodgui.ui b/plugins/channelrx/demoddatv/datvdemodgui.ui
index ab170f766..586c8c7a1 100644
--- a/plugins/channelrx/demoddatv/datvdemodgui.ui
+++ b/plugins/channelrx/demoddatv/datvdemodgui.ui
@@ -204,7 +204,7 @@
     <enum>QTabWidget::West</enum>
    </property>
    <property name="currentIndex">
-    <number>0</number>
+    <number>1</number>
    </property>
    <widget class="QWidget" name="datvTab">
     <attribute name="title">
@@ -961,6 +961,9 @@
       <property name="maximum">
        <number>32</number>
       </property>
+      <property name="pageStep">
+       <number>1</number>
+      </property>
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
@@ -980,6 +983,9 @@
       <property name="text">
        <string>-32</string>
       </property>
+      <property name="alignment">
+       <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+      </property>
      </widget>
     </widget>
    </widget>
diff --git a/plugins/channelrx/demoddatv/datvdemodsettings.cpp b/plugins/channelrx/demoddatv/datvdemodsettings.cpp
index 0f0d39c56..704d3bf43 100644
--- a/plugins/channelrx/demoddatv/datvdemodsettings.cpp
+++ b/plugins/channelrx/demoddatv/datvdemodsettings.cpp
@@ -49,6 +49,7 @@ void DATVDemodSettings::resetToDefaults()
     m_excursion = 10;
     m_audioMute = false;
     m_audioDeviceName = AudioDeviceManager::m_defaultDeviceName;
+    m_audioVolume = 0;
 }
 
 QByteArray DATVDemodSettings::serialize() const
@@ -77,6 +78,7 @@ QByteArray DATVDemodSettings::serialize() const
     s.writeBool(18, m_viterbi);
     s.writeS32(19, m_excursion);
     s.writeString(20, m_audioDeviceName);
+    s.writeS32(21, m_audioVolume);
 
     return s.final();
 }
@@ -136,6 +138,7 @@ bool DATVDemodSettings::deserialize(const QByteArray& data)
         d.readBool(18, &m_viterbi, false);
         d.readS32(19, &m_excursion, 10);
         d.readString(20, &m_audioDeviceName, AudioDeviceManager::m_defaultDeviceName);
+        d.readS32(21, &m_audioVolume, 0);
 
         return true;
     }
@@ -164,7 +167,8 @@ void DATVDemodSettings::debug(const QString& msg) const
         << " m_symbolRate: " << m_symbolRate
         << " m_excursion: " << m_excursion
         << " m_audioMute: " << m_audioMute
-        << " m_audioDeviceName: " << m_audioDeviceName;
+        << " m_audioDeviceName: " << m_audioDeviceName
+        << " m_audioVolume: " << m_audioVolume;
 }
 
 bool DATVDemodSettings::isDifferent(const DATVDemodSettings& other)
diff --git a/plugins/channelrx/demoddatv/datvdemodsettings.h b/plugins/channelrx/demoddatv/datvdemodsettings.h
index 2b58d202e..1c031a451 100644
--- a/plugins/channelrx/demoddatv/datvdemodsettings.h
+++ b/plugins/channelrx/demoddatv/datvdemodsettings.h
@@ -72,6 +72,7 @@ struct DATVDemodSettings
     float m_rollOff;
     bool m_viterbi;
     int m_excursion;
+    int m_audioVolume;
 
     DATVDemodSettings();
     void resetToDefaults();
diff --git a/plugins/channelrx/demoddatv/datvideorender.cpp b/plugins/channelrx/demoddatv/datvideorender.cpp
index b48588348..5d490ef85 100644
--- a/plugins/channelrx/demoddatv/datvideorender.cpp
+++ b/plugins/channelrx/demoddatv/datvideorender.cpp
@@ -45,6 +45,9 @@ DATVideoRender::DATVideoRender(QWidget *parent) : TVScreen(true, parent)
     m_audioFifoBufferIndex = 0;
     m_videoStreamIndex = -1;
     m_audioStreamIndex = -1;
+    m_audioMute = false;
+    m_audioVolume = 0;
+    m_updateAudioResampler = false;
 
     m_currentRenderWidth = -1;
     m_currentRenderHeight = -1;
@@ -59,6 +62,13 @@ DATVideoRender::DATVideoRender(QWidget *parent) : TVScreen(true, parent)
     // }
 }
 
+DATVideoRender::~DATVideoRender()
+{
+    if (m_audioSWR) {
+        swr_free(&m_audioSWR);
+    }
+}
+
 bool DATVideoRender::eventFilter(QObject *obj, QEvent *event)
 {
     if (event->type() == QEvent::MouseButtonRelease)
@@ -572,6 +582,12 @@ bool DATVideoRender::RenderStream()
     // Audio channel
     else if ((packet.stream_index == m_audioStreamIndex) && (m_audioFifo) && (swr_is_initialized(m_audioSWR)))
     {
+        if (m_updateAudioResampler)
+        {
+            setResampler();
+            m_updateAudioResampler = false;
+        }
+
         memset(m_frame, 0, sizeof(AVFrame));
         av_frame_unref(m_frame);
         gotFrame = 0;
@@ -629,8 +645,18 @@ bool DATVideoRender::RenderStream()
     return true;
 }
 
+void DATVideoRender::setAudioVolume(int audioVolume)
+{
+    m_audioVolume = audioVolume < -32 ? -32 : audioVolume > 32 ? 32 : audioVolume;
+    m_updateAudioResampler = true;
+}
+
 void DATVideoRender::setResampler()
 {
+    if (m_audioSWR) {
+        swr_free(&m_audioSWR);
+    }
+
     m_audioSWR = swr_alloc();
     av_opt_set_int(m_audioSWR, "in_channel_count",  m_audioDecoderCtx->channels, 0);
     av_opt_set_int(m_audioSWR, "out_channel_count", 2, 0);
@@ -640,7 +666,24 @@ void DATVideoRender::setResampler()
     av_opt_set_int(m_audioSWR, "out_sample_rate", m_audioSampleRate, 0);
     av_opt_set_sample_fmt(m_audioSWR, "in_sample_fmt",  m_audioDecoderCtx->sample_fmt, 0);
     av_opt_set_sample_fmt(m_audioSWR, "out_sample_fmt", AV_SAMPLE_FMT_S16,  0);
+    av_opt_set_int(m_audioSWR, "center_mix_level", m_audioVolume, 0);
+    av_opt_set_int(m_audioSWR, "surround_mix_level", m_audioVolume, 0);
+    av_opt_set_int(m_audioSWR, "lfe_mix_level", m_audioVolume, 0);
+
     swr_init(m_audioSWR);
+
+    qDebug() << "DATVideoRender::setResampler: "
+        << " in_channel_count: " <<  m_audioDecoderCtx->channels
+        << " out_channel_count: " << 2
+        << " in_channel_layout: " <<  m_audioDecoderCtx->channel_layout
+        << " out_channel_layout: " <<  AV_CH_LAYOUT_STEREO
+        << " in_sample_rate: " << m_audioDecoderCtx->sample_rate
+        << " out_sample_rate: " << m_audioSampleRate
+        << " in_sample_fmt: " << m_audioDecoderCtx->sample_fmt
+        << " out_sample_fmt: " << AV_SAMPLE_FMT_S16
+        << " center_mix_level: " << m_audioVolume
+        << " surround_mix_level: " << m_audioVolume
+        << " lfe_mix_level: " << m_audioVolume;
 }
 
 bool DATVideoRender::CloseStream(QIODevice *device)
diff --git a/plugins/channelrx/demoddatv/datvideorender.h b/plugins/channelrx/demoddatv/datvideorender.h
index 76fd64c07..bb23623b7 100644
--- a/plugins/channelrx/demoddatv/datvideorender.h
+++ b/plugins/channelrx/demoddatv/datvideorender.h
@@ -87,6 +87,8 @@ class DATVideoRender : public TVScreen
 
   public:
     explicit DATVideoRender(QWidget *parent);
+    ~DATVideoRender();
+
     void SetFullScreen(bool blnFullScreen);
 
     bool OpenStream(DATVideostream *objDevice);
@@ -97,6 +99,9 @@ class DATVideoRender : public TVScreen
     int getVideoStreamIndex() const { return m_videoStreamIndex; }
     int getAudioStreamIndex() const { return m_audioStreamIndex; }
 
+    void setAudioMute(bool audioMute) { m_audioMute = audioMute; }
+    void setAudioVolume(int audioVolume);
+
     struct DataTSMetaData2 MetaData;
 
   private:
@@ -119,6 +124,9 @@ class DATVideoRender : public TVScreen
     static const int m_audioFifoBufferSize = 16000;
     uint16_t m_audioFifoBuffer[m_audioFifoBufferSize*2]; // 2 channels
     int m_audioFifoBufferIndex;
+    bool m_audioMute;
+    int m_audioVolume;
+    bool m_updateAudioResampler;
 
     uint8_t *m_pbytDecodedData[4];
     int m_pintDecodedLineSize[4];
@@ -135,13 +143,11 @@ class DATVideoRender : public TVScreen
     void ResetMetaData();
 
     int new_decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt);
+    void setResampler();
 
   protected:
     virtual bool eventFilter(QObject *obj, QEvent *event);
 
-  private:
-    void setResampler();
-
   signals:
     void onMetaDataChanged(DataTSMetaData2 *metaData);
 };