diff --git a/templates/worldscene1/addons/gdpd/bin/osx/libgdpd.dylib b/templates/worldscene1/addons/gdpd/bin/osx/libgdpd.dylib
index af7b66c..a8021de 100755
Binary files a/templates/worldscene1/addons/gdpd/bin/osx/libgdpd.dylib and b/templates/worldscene1/addons/gdpd/bin/osx/libgdpd.dylib differ
diff --git a/templates/worldscene1/autoload/Global.gd b/templates/worldscene1/autoload/Global.gd
index cd68aec..f9b2265 100644
--- a/templates/worldscene1/autoload/Global.gd
+++ b/templates/worldscene1/autoload/Global.gd
@@ -7,7 +7,7 @@ var _patches = []
 
 export (bool) var _enable_gui = false
 export (String) var _gui_path = "/Applications/Pd-0.53-1.app/Contents/Resources"
-
+export (bool) var _verbose = false
 export (float) var _sample_rate = 48000
 export (int) var _blocksize = 256
 
@@ -17,6 +17,7 @@ func _ready():
 		# set gui path to activate gui window (otherwise, nogui)
 		_gdpd.set_gui_path(_gui_path)
 	_gdpd.set_volume(1) # by default, volume(gain) == 0
+	_gdpd.set_verbose(_verbose) # by default, suppress 'print'
 	_gdpd.init(0, 2, _sample_rate, _blocksize)
 	_gdpd.computeAudio(true) # [; pd dsp 1 (
 	_gdpd.subscribe("toGodot")
diff --git a/templates/worldscene1/export_presets.cfg b/templates/worldscene1/export_presets.cfg
new file mode 100644
index 0000000..2d3b85b
--- /dev/null
+++ b/templates/worldscene1/export_presets.cfg
@@ -0,0 +1,73 @@
+[preset.0]
+
+name="Mac OSX"
+platform="Mac OSX"
+runnable=true
+custom_features=""
+export_filter="all_resources"
+include_filter=""
+exclude_filter=""
+export_path="./Sands and Waves (worldscene1).dmg"
+script_export_mode=1
+script_encryption_key=""
+
+[preset.0.options]
+
+custom_template/debug=""
+custom_template/release=""
+application/name=""
+application/info="Made with Godot Engine"
+application/icon=""
+application/identifier="in.dianaband.worldscene1"
+application/signature=""
+application/app_category="Games"
+application/short_version="1.0"
+application/version="1.0"
+application/copyright=""
+display/high_res=false
+privacy/microphone_usage_description=""
+privacy/camera_usage_description=""
+privacy/location_usage_description=""
+privacy/address_book_usage_description=""
+privacy/calendar_usage_description=""
+privacy/photos_library_usage_description=""
+privacy/desktop_folder_usage_description=""
+privacy/documents_folder_usage_description=""
+privacy/downloads_folder_usage_description=""
+privacy/network_volumes_usage_description=""
+privacy/removable_volumes_usage_description=""
+codesign/enable=true
+codesign/identity=""
+codesign/timestamp=false
+codesign/hardened_runtime=false
+codesign/replace_existing_signature=true
+codesign/entitlements/custom_file=""
+codesign/entitlements/allow_jit_code_execution=false
+codesign/entitlements/allow_unsigned_executable_memory=false
+codesign/entitlements/allow_dyld_environment_variables=false
+codesign/entitlements/disable_library_validation=true
+codesign/entitlements/audio_input=false
+codesign/entitlements/camera=false
+codesign/entitlements/location=false
+codesign/entitlements/address_book=false
+codesign/entitlements/calendars=false
+codesign/entitlements/photos_library=false
+codesign/entitlements/apple_events=false
+codesign/entitlements/debugging=false
+codesign/entitlements/app_sandbox/enabled=false
+codesign/entitlements/app_sandbox/network_server=false
+codesign/entitlements/app_sandbox/network_client=false
+codesign/entitlements/app_sandbox/device_usb=false
+codesign/entitlements/app_sandbox/device_bluetooth=false
+codesign/entitlements/app_sandbox/files_downloads=0
+codesign/entitlements/app_sandbox/files_pictures=0
+codesign/entitlements/app_sandbox/files_music=0
+codesign/entitlements/app_sandbox/files_movies=0
+codesign/custom_options=PoolStringArray(  )
+notarization/enable=false
+notarization/apple_id_name=""
+notarization/apple_id_password=""
+notarization/apple_team_id=""
+texture_format/s3tc=true
+texture_format/etc=false
+texture_format/etc2=false
diff --git a/templates/worldscene1/main-earplug.pd b/templates/worldscene1/main-earplug.pd
new file mode 100644
index 0000000..df864f6
--- /dev/null
+++ b/templates/worldscene1/main-earplug.pd
@@ -0,0 +1,55 @@
+#N canvas 108 222 456 518 12;
+#X obj 361 21 loadbang;
+#X msg 361 51 \; pd dsp 1;
+#X floatatom 21 198 5 0 0 0 - - - 0;
+#X obj 21 22 r fromGodot\$0;
+#X obj 21 46 list trim;
+#X obj 199 467 dac~ 1 2;
+#X obj 199 407 *~;
+#X obj 189 264 line~;
+#X msg 189 240 \$1 100;
+#X obj 189 127 unpack f f;
+#X floatatom 189 177 5 0 0 0 - - - 0;
+#X obj 21 256 noise~;
+#X obj 21 286 bp~ 500 1000;
+#X obj 21 70 route freq gain panvol;
+#X obj 21 316 *~;
+#X msg 296 338 \$1 100;
+#X floatatom 296 159 5 0 0 0 - - - 0;
+#X obj 199 437 earplug~ 0 0;
+#X obj 296 362 line;
+#X obj 132 310 switch~;
+#X obj 132 286 tgl 19 0 empty empty empty 0 -10 0 12 #fcfcfc #000000 #000000 0 1;
+#X obj 132 262 change;
+#X text 89 155 switch on/off before 0 to stop startup pops, f 12;
+#X obj 189 216 max 0;
+#X obj 132 238 > -0.3;
+#X obj 296 248 expr 360-$f1;
+#X obj 296 182 expr $f1*180/3.141592;
+#X connect 2 0 12 1;
+#X connect 3 0 4 0;
+#X connect 4 0 13 0;
+#X connect 6 0 17 0;
+#X connect 7 0 6 1;
+#X connect 8 0 7 0;
+#X connect 9 0 10 0;
+#X connect 9 1 16 0;
+#X connect 10 0 23 0;
+#X connect 10 0 24 0;
+#X connect 11 0 12 0;
+#X connect 12 0 14 0;
+#X connect 13 0 2 0;
+#X connect 13 1 14 1;
+#X connect 13 2 9 0;
+#X connect 14 0 6 0;
+#X connect 15 0 18 0;
+#X connect 16 0 26 0;
+#X connect 17 0 5 0;
+#X connect 17 1 5 1;
+#X connect 18 0 17 1;
+#X connect 20 0 19 0;
+#X connect 21 0 20 0;
+#X connect 23 0 8 0;
+#X connect 24 0 21 0;
+#X connect 25 0 15 0;
+#X connect 26 0 25 0;
diff --git a/templates/worldscene1/main.gd b/templates/worldscene1/main.gd
index 345e780..e687d16 100644
--- a/templates/worldscene1/main.gd
+++ b/templates/worldscene1/main.gd
@@ -1,9 +1,13 @@
 extends RigidBody
 
-export (String, MULTILINE) var patch = ""
 export (float, 0, 100) var audible_range_max = 10.0
+export (float, 1, 12) var preset = 1
+
+export (bool) var use_embeded_patch = false
+export (String, MULTILINE) var patch = ""
 
 var _my_patch = "res://main.pd"
+#var _my_patch = "res://main-earplug.pd"
 var _my_id = 0
 
 func set_size(size):
@@ -23,17 +27,40 @@ func set_gain(gain):
 	Global._gdpd.add_float(gain)
 	Global._gdpd.finish_list("fromGodot" + String(_my_id))
 
+func set_param(param):
+	Global._gdpd.start_message(param.size()+1)
+	Global._gdpd.add_symbol("param")
+	for i in range(param.size()):
+		Global._gdpd.add_float(param[i])
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
+func set_preset(prs):
+	preset = prs
+	Global._gdpd.start_message(2)
+	Global._gdpd.add_symbol("preset")
+	Global._gdpd.add_float(prs)
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
 func set_color(color):
 	$MeshInstance.material_override = SpatialMaterial.new()
 	$MeshInstance.material_override.albedo_color = color
 
 func _ready():
+	# save patch (for export)
+	if use_embeded_patch:
+		assert(_my_patch.substr(0, 7) == "user://", "use userpath with embeded_patch enabled !")
+		assert(patch != "", "patch is empty?")
+		_save_patch()
+
 	# load patch
 	_my_id = Global.load_patch(ProjectSettings.globalize_path(_my_patch))
 
 	# listen 'player_transform_updated' event
 	Events.connect("player_transform_updated", self, "_on_Events_player_transform_updated")
 
+	# send 'preset'
+	set_preset(preset)
+
 func _on_Events_player_transform_updated(playerpos, playerheading):
 	var mypos = get_global_translation()
 	var mypos2d = Vector2(mypos.x, mypos.z)
@@ -47,7 +74,7 @@ func _on_Events_player_transform_updated(playerpos, playerheading):
 	# (check)
 #	print(str(_my_id) +" : ("+ str(distance) +","+ str(angle) +")")
 	# calculate gain
-	var gain = max(1 - distance/audible_range_max, 0)
+	var gain = 1 - distance/audible_range_max
 	# send to the patch
 	Global._gdpd.start_message(3)
 	Global._gdpd.add_symbol("panvol")
@@ -58,3 +85,16 @@ func _on_Events_player_transform_updated(playerpos, playerheading):
 
 func _exit_tree():
 	Global.close_patch(_my_id)
+
+func _save_patch():
+	# save patch
+	# prepare directory
+	var patch_name = _my_patch.split("/")[-1]
+	var patch_dir = _my_patch.trim_suffix(patch_name)
+	var dir = Directory.new()
+	dir.make_dir_recursive(patch_dir)
+	# save to file
+	var file = File.new()
+	file.open(_my_patch, File.WRITE)
+	file.store_string(patch)
+	file.close()
diff --git a/templates/worldscene1/main.pd b/templates/worldscene1/main.pd
index 3599db2..9d95dfc 100644
--- a/templates/worldscene1/main.pd
+++ b/templates/worldscene1/main.pd
@@ -1,9 +1,25 @@
-#N canvas 574 271 456 518 12;
+#N canvas 126 281 456 518 12;
 #X obj 361 21 loadbang;
 #X msg 361 51 \; pd dsp 1;
 #X floatatom 21 198 5 0 0 0 - - - 0;
 #X obj 21 22 r fromGodot\$0;
 #X obj 21 46 list trim;
+#X obj 199 467 dac~ 1 2;
+#X obj 199 407 *~;
+#X obj 189 264 line~;
+#X msg 189 240 \$1 100;
+#X obj 189 127 unpack f f;
+#X floatatom 189 177 5 0 0 0 - - - 0;
+#X obj 21 256 noise~;
+#X obj 21 286 bp~ 500 1000;
+#X obj 21 70 route freq gain panvol;
+#X obj 21 316 *~;
+#X obj 132 310 switch~;
+#X obj 132 286 tgl 19 0 empty empty empty 0 -10 0 12 #fcfcfc #000000 #000000 0 1;
+#X obj 132 262 change;
+#X text 89 155 switch on/off before 0 to stop startup pops, f 12;
+#X obj 189 216 max 0;
+#X obj 132 238 > -0.3;
 #X obj 303 253 hsl 100 20 -1 1 0 0 empty empty empty -2 -10 0 12 #fcfcfc #000000 #000000 0 1;
 #X obj 300 349 line~;
 #X msg 300 325 \$1 100;
@@ -29,41 +45,36 @@
 #X connect 7 0 0 0;
 #X connect 8 0 1 0;
 #X restore 199 437 pd pan2~;
-#X obj 199 467 dac~ 1 2;
-#X obj 199 407 *~;
-#X obj 189 230 line~;
-#X msg 189 206 \$1 100;
-#X obj 189 127 unpack f f;
 #X floatatom 296 159 5 0 0 0 - - - 0;
 #X obj 296 182 sin;
 #X floatatom 296 206 5 0 0 0 - - - 0;
-#X floatatom 189 177 5 0 0 0 - - - 0;
-#X obj 21 256 noise~;
-#X obj 21 286 bp~ 500 1000;
-#X obj 21 70 route freq gain panvol;
-#X obj 21 316 *~;
-#X connect 2 0 21 1;
+#X connect 2 0 12 1;
 #X connect 3 0 4 0;
-#X connect 4 0 22 0;
-#X connect 5 0 8 0;
-#X connect 6 0 10 1;
-#X connect 7 0 6 0;
-#X connect 8 0 9 0;
-#X connect 9 0 7 0;
-#X connect 10 0 11 0;
-#X connect 10 1 11 1;
-#X connect 12 0 10 0;
-#X connect 13 0 12 1;
-#X connect 14 0 13 0;
-#X connect 15 0 19 0;
-#X connect 15 1 16 0;
-#X connect 16 0 17 0;
-#X connect 17 0 18 0;
-#X connect 18 0 5 0;
-#X connect 19 0 14 0;
-#X connect 20 0 21 0;
-#X connect 21 0 23 0;
-#X connect 22 0 2 0;
-#X connect 22 1 23 1;
-#X connect 22 2 15 0;
-#X connect 23 0 12 0;
+#X connect 4 0 13 0;
+#X connect 6 0 26 0;
+#X connect 7 0 6 1;
+#X connect 8 0 7 0;
+#X connect 9 0 10 0;
+#X connect 9 1 27 0;
+#X connect 10 0 19 0;
+#X connect 10 0 20 0;
+#X connect 11 0 12 0;
+#X connect 12 0 14 0;
+#X connect 13 0 2 0;
+#X connect 13 1 14 1;
+#X connect 13 2 9 0;
+#X connect 14 0 6 0;
+#X connect 16 0 15 0;
+#X connect 17 0 16 0;
+#X connect 19 0 8 0;
+#X connect 20 0 17 0;
+#X connect 21 0 24 0;
+#X connect 22 0 26 1;
+#X connect 23 0 22 0;
+#X connect 24 0 25 0;
+#X connect 25 0 23 0;
+#X connect 26 0 5 0;
+#X connect 26 1 5 1;
+#X connect 27 0 28 0;
+#X connect 28 0 29 0;
+#X connect 29 0 21 0;
diff --git a/templates/worldscene1/osc-earplug.pd b/templates/worldscene1/osc-earplug.pd
new file mode 100644
index 0000000..9cfb577
--- /dev/null
+++ b/templates/worldscene1/osc-earplug.pd
@@ -0,0 +1,53 @@
+#N canvas 650 226 456 518 12;
+#X obj 361 21 loadbang;
+#X msg 361 51 \; pd dsp 1;
+#X obj 50 277 osc~ 440;
+#X floatatom 21 198 5 0 0 0 - - - 0;
+#X obj 21 22 r fromGodot\$0;
+#X obj 21 46 list trim;
+#X obj 199 467 dac~ 1 2;
+#X obj 199 407 *~;
+#X obj 189 127 unpack f f;
+#X obj 21 70 route freq gain panvol;
+#X obj 50 301 *~;
+#X msg 296 338 \$1 100;
+#X floatatom 296 159 5 0 0 0 - - - 0;
+#X obj 199 437 earplug~ 0 0;
+#X obj 296 362 line;
+#X obj 189 264 line~;
+#X msg 189 240 \$1 100;
+#X floatatom 189 177 5 0 0 0 - - - 0;
+#X obj 132 310 switch~;
+#X obj 132 286 tgl 19 0 empty empty empty 0 -10 0 12 #fcfcfc #000000 #000000 0 1;
+#X obj 132 262 change;
+#X text 89 155 switch on/off before 0 to stop startup pops, f 12;
+#X obj 189 216 max 0;
+#X obj 132 238 > -0.3;
+#X obj 296 248 expr 360-$f1;
+#X obj 296 182 expr $f1*180/3.141592;
+#X connect 2 0 10 0;
+#X connect 3 0 2 0;
+#X connect 4 0 5 0;
+#X connect 5 0 9 0;
+#X connect 7 0 13 0;
+#X connect 8 0 17 0;
+#X connect 8 1 12 0;
+#X connect 9 0 3 0;
+#X connect 9 1 10 1;
+#X connect 9 2 8 0;
+#X connect 10 0 7 0;
+#X connect 11 0 14 0;
+#X connect 12 0 25 0;
+#X connect 13 0 6 0;
+#X connect 13 1 6 1;
+#X connect 14 0 13 1;
+#X connect 15 0 7 1;
+#X connect 16 0 15 0;
+#X connect 17 0 22 0;
+#X connect 17 0 23 0;
+#X connect 19 0 18 0;
+#X connect 20 0 19 0;
+#X connect 22 0 16 0;
+#X connect 23 0 20 0;
+#X connect 24 0 11 0;
+#X connect 25 0 24 0;
diff --git a/templates/worldscene1/osc.gd b/templates/worldscene1/osc.gd
index fa52052..ca0b6f9 100644
--- a/templates/worldscene1/osc.gd
+++ b/templates/worldscene1/osc.gd
@@ -1,10 +1,13 @@
 extends RigidBody
 
-export (String, MULTILINE) var patch = ""
 export (float, 0, 100) var audible_range_max = 10.0
 export (float, 1, 12) var preset = 1
 
+export (bool) var use_embeded_patch = false
+export (String, MULTILINE) var patch = ""
+
 var _my_patch = "res://osc.pd"
+#var _my_patch = "res://osc-earplug.pd"
 var _my_id = 0
 
 func set_size(size):
@@ -44,7 +47,10 @@ func set_color(color):
 
 func _ready():
 	# save patch (for export)
-#	_save_patch()
+	if use_embeded_patch:
+		assert(_my_patch.substr(0, 7) == "user://", "use userpath with embeded_patch enabled !")
+		assert(patch != "", "patch is empty?")
+		_save_patch()
 
 	# load patch
 	_my_id = Global.load_patch(ProjectSettings.globalize_path(_my_patch))
@@ -68,7 +74,7 @@ func _on_Events_player_transform_updated(playerpos, playerheading):
 	# (check)
 #	print(str(_my_id) +" : ("+ str(distance) +","+ str(angle) +")")
 	# calculate gain
-	var gain = max(1 - distance/audible_range_max, 0)
+	var gain = 1 - distance/audible_range_max
 	# send to the patch
 	Global._gdpd.start_message(3)
 	Global._gdpd.add_symbol("panvol")
@@ -79,17 +85,16 @@ func _on_Events_player_transform_updated(playerpos, playerheading):
 
 func _exit_tree():
 	Global.close_patch(_my_id)
-	pass
 
-#func _save_patch():
-#	# save patch
-#	# prepare directory
-#	var patch_name = _my_patch.split("/")[-1]
-#	var patch_dir = _my_patch.trim_suffix(patch_name)
-#	var dir = Directory.new()
-#	dir.make_dir_recursive(patch_dir)
-#	# save to file
-#	var file = File.new()
-#	file.open(_my_patch, File.WRITE)
-#	file.store_string(patch)
-#	file.close()
+func _save_patch():
+	# save patch
+	# prepare directory
+	var patch_name = _my_patch.split("/")[-1]
+	var patch_dir = _my_patch.trim_suffix(patch_name)
+	var dir = Directory.new()
+	dir.make_dir_recursive(patch_dir)
+	# save to file
+	var file = File.new()
+	file.open(_my_patch, File.WRITE)
+	file.store_string(patch)
+	file.close()
diff --git a/templates/worldscene1/osc.pd b/templates/worldscene1/osc.pd
index c8439dc..922e97f 100644
--- a/templates/worldscene1/osc.pd
+++ b/templates/worldscene1/osc.pd
@@ -1,10 +1,24 @@
-#N canvas 116 274 456 518 12;
+#N canvas 659 277 456 518 12;
 #X obj 361 21 loadbang;
 #X msg 361 51 \; pd dsp 1;
-#X obj 80 277 osc~ 440;
+#X obj 50 277 osc~ 440;
 #X floatatom 21 198 5 0 0 0 - - - 0;
 #X obj 21 22 r fromGodot\$0;
 #X obj 21 46 list trim;
+#X obj 199 467 dac~ 1 2;
+#X obj 199 407 *~;
+#X obj 189 127 unpack f f;
+#X obj 21 70 route freq gain panvol;
+#X obj 50 301 *~;
+#X obj 189 264 line~;
+#X msg 189 240 \$1 100;
+#X floatatom 189 177 5 0 0 0 - - - 0;
+#X obj 132 310 switch~;
+#X obj 132 286 tgl 19 0 empty empty empty 0 -10 0 12 #fcfcfc #000000 #000000 0 1;
+#X obj 132 262 change;
+#X text 89 155 switch on/off before 0 to stop startup pops, f 12;
+#X obj 189 216 max 0;
+#X obj 132 238 > -0.3;
 #X obj 303 253 hsl 100 20 -1 1 0 0 empty empty empty -2 -10 0 12 #fcfcfc #000000 #000000 0 1;
 #X obj 300 349 line~;
 #X msg 300 325 \$1 100;
@@ -30,38 +44,35 @@
 #X connect 7 0 0 0;
 #X connect 8 0 1 0;
 #X restore 199 437 pd pan2~;
-#X obj 199 467 dac~ 1 2;
-#X obj 199 407 *~;
-#X obj 189 230 line~;
-#X msg 189 206 \$1 100;
-#X obj 189 127 unpack f f;
 #X floatatom 296 159 5 0 0 0 - - - 0;
 #X obj 296 182 sin;
 #X floatatom 296 206 5 0 0 0 - - - 0;
-#X floatatom 189 177 5 0 0 0 - - - 0;
-#X obj 21 70 route freq gain panvol;
-#X obj 80 301 *~;
-#X connect 2 0 22 0;
+#X connect 2 0 10 0;
 #X connect 3 0 2 0;
 #X connect 4 0 5 0;
-#X connect 5 0 21 0;
-#X connect 6 0 9 0;
-#X connect 7 0 11 1;
-#X connect 8 0 7 0;
-#X connect 9 0 10 0;
-#X connect 10 0 8 0;
-#X connect 11 0 12 0;
-#X connect 11 1 12 1;
-#X connect 13 0 11 0;
-#X connect 14 0 13 1;
+#X connect 5 0 9 0;
+#X connect 7 0 25 0;
+#X connect 8 0 13 0;
+#X connect 8 1 26 0;
+#X connect 9 0 3 0;
+#X connect 9 1 10 1;
+#X connect 9 2 8 0;
+#X connect 10 0 7 0;
+#X connect 11 0 7 1;
+#X connect 12 0 11 0;
+#X connect 13 0 18 0;
+#X connect 13 0 19 0;
 #X connect 15 0 14 0;
-#X connect 16 0 20 0;
-#X connect 16 1 17 0;
-#X connect 17 0 18 0;
-#X connect 18 0 19 0;
-#X connect 19 0 6 0;
-#X connect 20 0 15 0;
-#X connect 21 0 3 0;
-#X connect 21 1 22 1;
-#X connect 21 2 16 0;
-#X connect 22 0 13 0;
+#X connect 16 0 15 0;
+#X connect 18 0 12 0;
+#X connect 19 0 16 0;
+#X connect 20 0 23 0;
+#X connect 21 0 25 1;
+#X connect 22 0 21 0;
+#X connect 23 0 24 0;
+#X connect 24 0 22 0;
+#X connect 25 0 6 0;
+#X connect 25 1 6 1;
+#X connect 26 0 27 0;
+#X connect 27 0 28 0;
+#X connect 28 0 20 0;