diff --git a/EncodingTips.page b/EncodingTips.page
index 4d94406..d6ad046 100644
--- a/EncodingTips.page
+++ b/EncodingTips.page
@@ -1 +1,9 @@
-todo
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+# Recording Screen
+
+## Within a specified zone
+
+```
+avconv -threads auto -f pulse -i bluez_sink.0C_E0_E4_81_2F_C1.monitor -ac 2 -f pulse -i alsa_input.usb-BLUE_MICROPHONE_Blue_Snowball_201306-00-Snowball.analog-mono -ac 1 -f x11grab -show_region 1 -s 1024x768 -i :0.0+112,111 -c:v libvpx -pre:v libvpx-720p -vsync cfr -r 15 -c:a libvorbis -q:a 6 -filter_complex amix=inputs=2 output.webm
+```
+
+With sound from microphone and monitor of input.
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