diff --git a/doc/asoundrc.txt b/doc/asoundrc.txt
index 8777cbdc..41e41959 100644
--- a/doc/asoundrc.txt
+++ b/doc/asoundrc.txt
@@ -321,6 +321,22 @@ pcm.NAME {
   bindings {		# Bindings table
     N INT		# Slave channel for client channel N
   }
+
+  type dsnoop		# Direct snoop (split one capture stream to more)
+  slave STR		# Slave name (see pcm_slave)
+  ipc_key INT		# Unique ipc key
+  ipc_key_add_uid BOOL  # Add current uid to ipc_key
+  bindings {		# Bindings table
+    N INT		# Slave channel for client channel N
+  }
+
+  type dshare		# Share channels from one stream
+  slave STR		# Slave name (see pcm_slave)
+  ipc_key INT		# Unique ipc key
+  ipc_key_add_uid BOOL  # Add current uid to ipc_key
+  bindings {		# Bindings table
+    N INT		# Slave channel for client channel N
+  }
 }
 
 # CTL type definition