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-rw-r--r--gtk2_ardour/analysis_window.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/gtk2_ardour/analysis_window.cc b/gtk2_ardour/analysis_window.cc
index afa277e8e4..c4948f5092 100644
--- a/gtk2_ardour/analysis_window.cc
+++ b/gtk2_ardour/analysis_window.cc
@@ -334,6 +334,7 @@ AnalysisWindow::analyze_data (Gtk::Button */*button*/)
n = length - x;
}
+ memset (buf, 0, n * sizeof (Sample));
n = arv->audio_region()->read_at(buf, mixbuf, gain, arv->region()->position() + x, n, channel);
if (n == 0)