diff --git a/pages/tool.stream.tech.audio.md b/pages/tool.stream.tech.audio.md
index a226033..c997476 100644
--- a/pages/tool.stream.tech.audio.md
+++ b/pages/tool.stream.tech.audio.md
@@ -1,7 +1,12 @@
 
 # tools.[[stream]].tech.[[audio]]
 
+
+## playback
 **S**y**n**chronous **a**udio **p**layer
 - https://mjaggard.github.io/snapcast/
 
+## [[tech.stream.jamming]]
+- 
+
 - http://websdr.org/
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