--- /dev/null
+matroska libvpx-vp9
+# 20171119-2100
+# based on https://developers.google.com/media/vp9/settings/vod/
+# for explanations see Feature5.pdf section 3
+# 3840x2160 (24, 25 or 30 frames per second)
+bitrate=12000k
+minrate=6000k
+maxrate=17400k
+tile-columns=4
+g=240
+threads=24
+quality=good
+crf=15
+speed=4