diff --git a/plugins/channelrx/demodatv/atvdemod.cpp b/plugins/channelrx/demodatv/atvdemod.cpp
index c72bf8328..81bc6557e 100644
--- a/plugins/channelrx/demodatv/atvdemod.cpp
+++ b/plugins/channelrx/demodatv/atvdemod.cpp
@@ -193,13 +193,13 @@ void ATVDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
 #endif
         Complex c(fltI, fltQ);
 
+        if (m_objRFRunning.m_intFrequencyOffset != 0)
+        {
+            c *= m_nco.nextIQ();
+        }
+
         if (m_objRFRunning.m_blndecimatorEnable)
         {
-            if (m_objRFRunning.m_intFrequencyOffset != 0)
-            {
-                c *= m_nco.nextIQ();
-            }
-
             if (m_interpolator.decimate(&m_interpolatorDistanceRemain, c, &ci))
             {
                 demod(ci);
@@ -231,10 +231,28 @@ void ATVDemod::demod(Complex& c)
     float fltVal;
     int intVal;
 
+    //********** FFT filtering **********
+
+    if (m_objRFRunning.m_blnFFTFiltering)
+    {
+        int n_out;
+        fftfilt::cmplx *filtered;
+
+        n_out = m_DSBFilter->runAsym(c, &filtered, m_objRFRunning.m_enmModulation != ATV_VAML); // all usb except explicitely lsb
+
+        if (n_out > 0)
+        {
+            memcpy((void *) m_DSBFilterBuffer, (const void *) filtered, n_out*sizeof(Complex));
+            m_DSBFilterBufferIndex = 0;
+        }
+
+        m_DSBFilterBufferIndex++;
+    }
+
     //********** demodulation **********
 
-    float& fltI = c.real();
-    float& fltQ = c.imag();
+    float& fltI = m_objRFRunning.m_blnFFTFiltering ? m_DSBFilterBuffer[m_DSBFilterBufferIndex-1].real() : c.real();
+    float& fltQ = m_objRFRunning.m_blnFFTFiltering ? m_DSBFilterBuffer[m_DSBFilterBufferIndex-1].imag() : c.imag();
 
     double magSq = fltI*fltI + fltQ*fltQ;
     m_objMagSqAverage.feed(magSq);
@@ -647,6 +665,19 @@ void ATVDemod::applySettings()
         getOutputMessageQueue()->push(report);
     }
 
+    if ((m_objConfigPrivate.m_intTVSampleRate != m_objRunningPrivate.m_intTVSampleRate)
+        || (m_objRFConfig.m_fltRFBandwidth != m_objRFRunning.m_fltRFBandwidth)
+        || (m_objRFConfig.m_fltRFOppBandwidth != m_objRFRunning.m_fltRFOppBandwidth))
+    {
+        m_objSettingsMutex.lock();
+        m_DSBFilter->create_asym_filter(m_objRFConfig.m_fltRFOppBandwidth / m_objConfigPrivate.m_intTVSampleRate,
+                m_objRFConfig.m_fltRFBandwidth / m_objConfigPrivate.m_intTVSampleRate);
+        memset(m_DSBFilterBuffer, 0, sizeof(Complex)*(m_ssbFftLen));
+        m_DSBFilterBufferIndex = 0;
+        m_objSettingsMutex.unlock();
+    }
+
+
     m_objRunning = m_objConfig;
     m_objRFRunning = m_objRFConfig;
     m_objRunningPrivate = m_objConfigPrivate;
diff --git a/plugins/channelrx/demodatv/atvdemodgui.cpp b/plugins/channelrx/demodatv/atvdemodgui.cpp
index 0b86924a1..4b9375ede 100644
--- a/plugins/channelrx/demodatv/atvdemodgui.cpp
+++ b/plugins/channelrx/demodatv/atvdemodgui.cpp
@@ -186,7 +186,9 @@ bool ATVDemodGUI::handleMessage(const Message& objMessage)
 
 void ATVDemodGUI::viewChanged()
 {
+    qDebug("ATVDemodGUI::viewChanged");
     applySettings();
+    applyRFSettings();
 }
 
 void ATVDemodGUI::channelSampleRateChanged()
diff --git a/plugins/channelrx/demodatv/atvdemodgui.ui b/plugins/channelrx/demodatv/atvdemodgui.ui
index 85e9d13a3..9513fb0b1 100644
--- a/plugins/channelrx/demodatv/atvdemodgui.ui
+++ b/plugins/channelrx/demodatv/atvdemodgui.ui
@@ -54,6 +54,9 @@
      <layout class="QHBoxLayout" name="rfSettings1Layout">
       <item>
        <widget class="ButtonSwitch" name="decimatorEnable">
+        <property name="toolTip">
+         <string>Toggle decimator on/off</string>
+        </property>
         <property name="text">
          <string/>
         </property>
@@ -70,6 +73,9 @@
        <layout class="QHBoxLayout" name="deltaFrequencyLayout">
         <item>
          <widget class="QToolButton" name="deltaFrequencyMinus">
+          <property name="toolTip">
+           <string>Channel center frequency shift direction</string>
+          </property>
           <property name="text">
            <string/>
           </property>
@@ -104,6 +110,9 @@
             <pointsize>12</pointsize>
            </font>
           </property>
+          <property name="toolTip">
+           <string>Channel center frequency shift</string>
+          </property>
          </widget>
         </item>
         <item>
@@ -123,6 +132,9 @@
           <height>0</height>
          </size>
         </property>
+        <property name="toolTip">
+         <string>Effective channel sample rate (kS/s)</string>
+        </property>
         <property name="text">
          <string> 00000k</string>
         </property>
@@ -184,6 +196,9 @@
           <height>0</height>
          </size>
         </property>
+        <property name="toolTip">
+         <string>Channel power</string>
+        </property>
         <property name="text">
          <string>-100.0 dB</string>
         </property>
@@ -238,6 +253,9 @@
       </item>
       <item>
        <widget class="QSlider" name="rfOppBW">
+        <property name="toolTip">
+         <string>Asymmetrical filter opposite band cutoff</string>
+        </property>
         <property name="layoutDirection">
          <enum>Qt::RightToLeft</enum>
         </property>
@@ -257,6 +275,9 @@
       </item>
       <item>
        <widget class="QSlider" name="rfBW">
+        <property name="toolTip">
+         <string>Asymmetrical filter in band cutoff / Decimator filter cutoff</string>
+        </property>
         <property name="minimum">
          <number>1</number>
         </property>