+#: audio-item.cc:139
+#, c-format
+msgid "end moment (%s) < start moment (%s)"
+msgstr ""
+
+#: audio-item.cc:153
+#, c-format
+msgid "invalid start volume: %f"
+msgstr ""
+
+#: audio-item.cc:159
+#, c-format
+msgid "invalid target volume: %f"
+msgstr ""
+
+#: audio-item.cc:174
+#, c-format
+msgid ""
+"asked to compute volume at %f for dynamic span of duration %f starting at %s"
+msgstr ""
+
+#: audio-item.cc:182
+#, c-format
+msgid ""
+"asked to compute volume at +%f for dynamic span of duration %f starting at %s"
+msgstr ""
+