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Diffstat (limited to 'gr-qtgui/apps/plot_spectrogram_base.py')
-rw-r--r--gr-qtgui/apps/plot_spectrogram_base.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/gr-qtgui/apps/plot_spectrogram_base.py b/gr-qtgui/apps/plot_spectrogram_base.py
index 26c336e36c..b252bb8863 100644
--- a/gr-qtgui/apps/plot_spectrogram_base.py
+++ b/gr-qtgui/apps/plot_spectrogram_base.py
@@ -100,6 +100,7 @@ class plot_base(gr.top_block):
self.connect(s, (self.gui_snk, i+1))
self.gui_snk.set_update_time(0);
+ self.gui_snk.set_time_per_fft(self._psd_size/self._samp_rate)
self.gui_snk.enable_menu(False)
self.gui_snk.set_fft_average(self._avg)
@@ -126,6 +127,7 @@ class plot_base(gr.top_block):
self.stop()
self.wait()
self.gui_snk.clear_data()
+ self.gui_snk.set_time_per_fft(self._psd_size/self._samp_rate)
self._start = newstart
self._nsamps = newnsamps