diff --git a/libs/ardour/luabindings.cc b/libs/ardour/luabindings.cc
index e9f9e6d04b..5265d17837 100644
--- a/libs/ardour/luabindings.cc
+++ b/libs/ardour/luabindings.cc
@@ -97,6 +97,8 @@
 #include "ardour/solo_isolate_control.h"
 #include "ardour/solo_safe_control.h"
 #include "ardour/stripable.h"
+#include "ardour/surround_send.h"
+#include "ardour/surround_pannable.h"
 #include "ardour/track.h"
 #include "ardour/tempo.h"
 #include "ardour/user_bundle.h"
@@ -1474,6 +1476,8 @@ LuaBindings::common (lua_State* L)
 		.addFunction ("playback_latency", &Route::playback_latency)
 		.addFunction ("monitoring_state", &Route::monitoring_state)
 		.addFunction ("monitoring_control", &Route::monitoring_control)
+		.addFunction ("surround_send", &Route::surround_send)
+		.addFunction ("surround_return", &Route::surround_return)
 		.endClass ()
 
 		.deriveWSPtrClass <Playlist, SessionObject> ("Playlist")
@@ -1828,6 +1832,7 @@ LuaBindings::common (lua_State* L)
 		.addCast<PeakMeter> ("to_peakmeter")
 		.addCast<MonitorProcessor> ("to_monitorprocessor")
 		.addCast<Send> ("to_send")
+		.addCast<SurroundSend> ("to_surroundsend")
 		.addCast<InternalSend> ("to_internalsend")
 		.addCast<PolarityProcessor> ("to_polarityprocessor")
 		.addCast<DelayLine> ("to_delayline")
@@ -1891,6 +1896,25 @@ LuaBindings::common (lua_State* L)
 		.addFunction ("feeds", &InternalSend::feeds)
 		.endClass ()
 
+		.deriveWSPtrClass <SurroundPannable, Automatable> ("SurroundPannable")
+		.addData ("name", &SurroundPannable::pan_pos_x)
+		.addData ("name", &SurroundPannable::pan_pos_y)
+		.addData ("name", &SurroundPannable::pan_pos_z)
+		.addData ("name", &SurroundPannable::pan_size)
+		.addData ("name", &SurroundPannable::pan_snap)
+		.endClass ()
+
+		.deriveWSPtrClass <SurroundSend, Processor> ("SurroundSend")
+		.addFunction ("get_delay_in", &SurroundSend::get_delay_in)
+		.addFunction ("get_delay_out", &SurroundSend::get_delay_out)
+		.addFunction ("gain_control", &SurroundSend::gain_control)
+		.addFunction ("n_pannables", &SurroundSend::gain_control)
+		.addFunction ("pannable", &SurroundSend::pannable)
+		.endClass ()
+
+		.deriveWSPtrClass <SurroundReturn, Processor> ("SurroundReturn")
+		.endClass ()
+
 		.deriveWSPtrClass <Return, IOProcessor> ("Return")
 		.endClass ()
 
diff --git a/share/scripts/_dump_latency.lua b/share/scripts/_dump_latency.lua
index 7024376ecc..8c4788e772 100644
--- a/share/scripts/_dump_latency.lua
+++ b/share/scripts/_dump_latency.lua
@@ -31,6 +31,13 @@ function factory () return function ()
 				proc:capture_offset(), proc:playback_offset(),
 				proc:to_send():get_delay_in(), proc:to_send():get_delay_out()
 				))
+			elseif all_procs and not proc:to_surroundsend():isnil () then
+				print (string.format (" * %-27s  L: %4d  in: %4d  out: %4d capt: %4d play %4d  DLY-SRC: %4d DLY-DST: %4d",
+				string.sub (proc:name(), 0, 27) , proc:signal_latency(),
+				proc:input_latency(), proc:output_latency(),
+				proc:capture_offset(), proc:playback_offset(),
+				proc:to_surroundsend():get_delay_in(), proc:to_surroundsend():get_delay_out()
+				))
 			elseif all_procs or not proc:to_diskioprocessor():isnil () then
 				print (string.format (" * %-27s  L: %4d  in: %4d  out: %4d capt: %4d play %4d",
 				string.sub (proc:name(), 0, 27) , proc:signal_latency(),