tweaked frame rate column in project panel

io/previewgenerator.cpp

@@ -182,7 +182,12 @@ void PreviewGenerator::finalize_media() {
 		double frame_rate = 30;
 		if (!contains_still_image && media->video_tracks.size() > 0) frame_rate = media->video_tracks.at(0)->video_frame_rate;
         item->setText(1, frame_to_timecode(media->get_length_in_frames(frame_rate), config.timecode_view, frame_rate));
-	item->setText(2, QString::number(frame_rate));
+
+        if (media->video_tracks.size() > 0) {
+            item->setText(2, QString::number(frame_rate) + " FPS");
+        } else {
+            item->setText(2, QString::number(media->audio_tracks.at(0)->audio_frequency) + " Hz");
+        }
 	}
 }
 

panels/project.ui

@@ -80,7 +80,7 @@
       </column>
       <column>
        <property name="text">
-        <string>Framerate</string>
+        <string>Rate</string>
        </property>
       </column>
      </widget>