diff --git a/src/fenrir-package/commands/commands/curr_line.py b/src/fenrir-package/commands/commands/curr_line.py
index b186105b..9382c291 100644
--- a/src/fenrir-package/commands/commands/curr_line.py
+++ b/src/fenrir-package/commands/commands/curr_line.py
@@ -4,15 +4,14 @@ class command():
     def __init__(self):
         pass
     def run(self, environment):
-        environment['runtime']['speechDriver'].cancel()
         environment['screenData']['oldCursorReview'] = environment['screenData']['newCursorReview']
         if environment['screenData']['newCursorReview']['y'] == -1:
             environment['screenData']['newCursorReview'] = environment['screenData']['newCursor'].copy()
                  
         if environment['screenData']['newContentText'].replace(" ","") == '':
-            environment['runtime']['speechDriver'].speak("empty line")
+            environment['runtime']['outputManager'].speakText(environment, "empty line")
         else:
-            environment['runtime']['speechDriver'].speak(environment['screenData']['newContentText'].split('\n')[environment['screenData']['newCursorReview']['y']])
+            environment['runtime']['outputManager'].speakText(environment, environment['screenData']['newContentText'].split('\n')[environment['screenData']['newCursorReview']['y']])
         return environment
     def setCallback(self, callback):
         pass
diff --git a/src/fenrir-package/commands/commands/exit_review.py b/src/fenrir-package/commands/commands/exit_review.py
index 91115c75..35a17b91 100644
--- a/src/fenrir-package/commands/commands/exit_review.py
+++ b/src/fenrir-package/commands/commands/exit_review.py
@@ -4,10 +4,9 @@ class command():
     def __init__(self):
         pass
     def run(self, environment):
-        environment['runtime']['speechDriver'].cancel()
         environment['screenData']['oldCursorReview'] = {'x':-1,'y':-1}
         environment['screenData']['newCursorReview'] = {'x':-1,'y':-1}
-        environment['runtime']['speechDriver'].speak("leve review mode")
+        environment['runtime']['outputManager'].speakText(environment, "leve review mode")
         return environment    
     def setCallback(self, callback):
         pass
diff --git a/src/fenrir-package/commands/commands/next_line.py b/src/fenrir-package/commands/commands/next_line.py
index 163ca994..c618c0f6 100644
--- a/src/fenrir-package/commands/commands/next_line.py
+++ b/src/fenrir-package/commands/commands/next_line.py
@@ -4,7 +4,6 @@ class command():
     def __init__(self):
         pass
     def run(self, environment):
-        environment['runtime']['speechDriver'].cancel()
         environment['screenData']['oldCursorReview'] = environment['screenData']['newCursorReview']
         if environment['screenData']['newCursorReview']['y'] == -1:
             environment['screenData']['newCursorReview'] = environment['screenData']['newCursor'].copy()
@@ -12,9 +11,9 @@ class command():
             environment['screenData']['newCursorReview']['y'] = environment['screenData']['newCursorReview']['y'] + 1
                  
         if environment['screenData']['newContentText'].replace(" ","") == '':
-            environment['runtime']['speechDriver'].speak("empty line")
+            environment['runtime']['outputManager'].speakText(environment, "empty line")
         else:
-            environment['runtime']['speechDriver'].speak(environment['screenData']['newContentText'].split('\n')[environment['screenData']['newCursorReview']['y']])
+            environment['runtime']['outputManager'].speakText(environment, environment['screenData']['newContentText'].split('\n')[environment['screenData']['newCursorReview']['y']])
         return environment    
     def setCallback(self, callback):
         pass
diff --git a/src/fenrir-package/commands/commands/prev_line.py b/src/fenrir-package/commands/commands/prev_line.py
index 94425d80..e8ce6fe5 100644
--- a/src/fenrir-package/commands/commands/prev_line.py
+++ b/src/fenrir-package/commands/commands/prev_line.py
@@ -4,7 +4,6 @@ class command():
     def __init__(self):
         pass
     def run(self, environment):
-        environment['runtime']['speechDriver'].cancel()
         environment['screenData']['oldCursorReview'] = environment['screenData']['newCursorReview']
         if environment['screenData']['newCursorReview']['y'] == -1:
             environment['screenData']['newCursorReview'] = environment['screenData']['newCursor'].copy()
@@ -12,9 +11,9 @@ class command():
             environment['screenData']['newCursorReview']['y'] = environment['screenData']['newCursorReview']['y'] - 1
                  
         if environment['screenData']['newContentText'].replace(" ","") == '':
-            environment['runtime']['speechDriver'].speak("empty line")
+            environment['runtime']['outputManager'].speakText(environment, "empty line")
         else:
-            environment['runtime']['speechDriver'].speak(environment['screenData']['newContentText'].split('\n')[environment['screenData']['newCursorReview']['y']])
+            environment['runtime']['outputManager'].speakText(environment, environment['screenData']['newContentText'].split('\n')[environment['screenData']['newCursorReview']['y']])
          
         return environment
     def setCallback(self, callback):
diff --git a/src/fenrir-package/commands/commands/shut_up.py b/src/fenrir-package/commands/commands/shut_up.py
index 4416e19b..680e4d83 100644
--- a/src/fenrir-package/commands/commands/shut_up.py
+++ b/src/fenrir-package/commands/commands/shut_up.py
@@ -4,7 +4,7 @@ class command():
     def __init__(self):
         pass
     def run(self, environment):
-        environment['runtime']['speechDriver'].cancel()
+        environment['runtime']['outputManager'].interruptOutput(environment)
     def setCallback(self, callback):
         pass
     def shutdown(self):
diff --git a/src/fenrir-package/commands/onInput/10000-shut_up.py b/src/fenrir-package/commands/onInput/10000-shut_up.py
index a6dc5767..6444e454 100644
--- a/src/fenrir-package/commands/onInput/10000-shut_up.py
+++ b/src/fenrir-package/commands/onInput/10000-shut_up.py
@@ -5,7 +5,7 @@ class command():
         pass
     def run(self, environment):
         if environment['screenData']['newDelta'] != environment['screenData']['oldDelta']:
-            environment['runtime']['speechDriver'].cancel()
+            environment['runtime']['outputManager'].interruptOutput(environment)
         return environment
     def setCallback(self, callback):
         pass
diff --git a/src/fenrir-package/commands/onInput/70000-speak_incomming.py b/src/fenrir-package/commands/onInput/70000-speak_incomming.py
index 365e4adf..5259addd 100644
--- a/src/fenrir-package/commands/onInput/70000-speak_incomming.py
+++ b/src/fenrir-package/commands/onInput/70000-speak_incomming.py
@@ -6,7 +6,7 @@ class command():
     def run(self, environment):
         if environment['screenData']['newDelta'] != environment['screenData']['oldDelta'] or \
           environment['screenData']['newTTY'] != environment['screenData']['oldTTY']:
-            environment['runtime']['speechDriver'].speak(environment['screenData']['newDelta'])
+            environment['runtime']['outputManager'].speakText(environment, environment['screenData']['newDelta'], Interrupt=False)
         return environment
     def setCallback(self, callback):
         pass
diff --git a/src/fenrir-package/core/commandManager.py b/src/fenrir-package/core/commandManager.py
index 22f81804..565845e9 100644
--- a/src/fenrir-package/core/commandManager.py
+++ b/src/fenrir-package/core/commandManager.py
@@ -31,6 +31,7 @@ class commandManager():
         return environment
 
     def executeCommand(self, environment, currCommand, section = 'commands'):
+        environment =  environment['commands'][section][currCommand].run(environment)
         if self.isCommandDefined(environment):
             try:
                 environ =  environment['commands'][section][currCommand].run(environment)
diff --git a/src/fenrir-package/core/inputManager.py b/src/fenrir-package/core/inputManager.py
index e66ec0eb..181afd84 100644
--- a/src/fenrir-package/core/inputManager.py
+++ b/src/fenrir-package/core/inputManager.py
@@ -13,6 +13,7 @@ class inputManager():
     def getKeyPressed(self, environment):
         try:
             r, w, x = select(self.devices, [], [])
+            environment['runtime']['globalLock'].acquire(True)
             currShortcut = environment['input']['currShortcut']
             if r != []:
                 for fd in r:
diff --git a/src/fenrir-package/core/outputManager.py b/src/fenrir-package/core/outputManager.py
index cb35bb57..52e4fc2f 100644
--- a/src/fenrir-package/core/outputManager.py
+++ b/src/fenrir-package/core/outputManager.py
@@ -3,13 +3,25 @@
 class outputManager():
     def __init__(self):
         pass
-    def presentText(self, environment, Text):
-        pass
-    def speakText(self, environment, Text):
-        pass
+    def presentText(self, environment, Text, Interrupt=True):
+        self.speakText(environment, Text, Interrupt)
+        self.brailleText(environment, Text)
+
+    def speakText(self, environment, Text, Interrupt=True):
+        if environment['runtime']['speechDriver'] == None:
+            return
+        if not environment['runtime']['settingsManager'].getSettingAsBool(environment, 'speech', 'enabled'):
+            return
+        if Interrupt:
+            self.interruptOutput(environment)
+        environment['runtime']['speechDriver'].speak(Text)
+
     def brailleText(self, environment, Text):
-        pass
-    def interruptOutput(self, environment, Text):
-        pass
+        if not environment['runtime']['settingsManager'].getSettingAsBool(environment, 'braile', 'enabled'):
+            return    
+        print('braille')
+    def interruptOutput(self, environment):
+        environment['runtime']['speechDriver'].cancel()
+ 
     def playSoundIcon(self, environment, Text):
         pass
diff --git a/src/fenrir-package/core/runtime.py b/src/fenrir-package/core/runtime.py
index ad193931..6f000af6 100644
--- a/src/fenrir-package/core/runtime.py
+++ b/src/fenrir-package/core/runtime.py
@@ -1,4 +1,5 @@
 #!/bin/python
+from _thread import allocate_lock
 
 runtime = {
 'speechDriver': None,
@@ -7,4 +8,5 @@ runtime = {
 'inputManager': None,
 'commandManager': None,
 'debug':None,
+'globalLock': allocate_lock(),
 }
diff --git a/src/fenrir-package/core/settingsManager.py b/src/fenrir-package/core/settingsManager.py
index 32bd3fe0..295969e8 100644
--- a/src/fenrir-package/core/settingsManager.py
+++ b/src/fenrir-package/core/settingsManager.py
@@ -3,6 +3,7 @@ import evdev
 import importlib.util
 from configparser import ConfigParser
 from core import inputManager
+from core import outputManager
 from core import commandManager
 from core import environment 
 from core.settings import settings
@@ -80,10 +81,10 @@ class settingsManager():
         return value
 
     def getSettingAsInt(self, environment, section, setting):
-        return int(getSetting(self, environment, section, setting))
+        return int(self.getSetting( environment, section, setting))
 
     def getSettingAsBool(self, environment, section, setting):
-        return bool(getSetting(self, environment, section, setting))  
+        return bool(self.getSetting(environment, section, setting))  
       
     def loadSpeechDriver(self, environment, driverName):
         if environment['runtime']['speechDriver'] != None:
@@ -108,7 +109,8 @@ class settingsManager():
         driver_mod = importlib.util.module_from_spec(spec)
         spec.loader.exec_module(driver_mod)
         environment['runtime']['screenDriver'] = driver_mod.screen() 
-        return environment        
+        return environment  
+
     def initFenrirConfig(self):
         return self.reInitFenrirConfig(environment.environment)
 
@@ -116,6 +118,7 @@ class settingsManager():
 
         environment['runtime']['settingsManager'] = self 
         environment['runtime']['inputManager'] = inputManager.inputManager()
+        environment['runtime']['outputManager'] = outputManager.outputManager()
         environment = environment['runtime']['settingsManager'].loadShortcuts(environment)
         environment = environment['runtime']['settingsManager'].loadSettings(environment)
 
diff --git a/src/fenrir-package/fenrir.py b/src/fenrir-package/fenrir.py
index 0b66f209..8ce0dc61 100755
--- a/src/fenrir-package/fenrir.py
+++ b/src/fenrir-package/fenrir.py
@@ -16,13 +16,13 @@ from core import settingsManager
 class fenrir():
     def __init__(self):
         self.threadHandleInput = None
+        
         self.environment = settingsManager.settingsManager().initFenrirConfig()
         signal.signal(signal.SIGINT, self.captureSignal)
     
     def proceed(self):
         self.threadHandleInput = Thread(target=self.handleInput, args=())
         self.threadHandleInput.start()
-        self.updateScreen()
         while(self.environment['generalInformation']['running']):
             self.updateScreen()
         self.shutdown()
@@ -35,15 +35,18 @@ class fenrir():
             self.environment = self.environment['runtime']['commandManager'].executeTriggerCommands(self.environment, 'onInput')
             if self.environment['input']['currShortcutString'] != '':
                 self.handleCommands()
+            self.environment['runtime']['globalLock'].release()
 
     def updateScreen(self):
+            self.environment['runtime']['globalLock'].acquire(True)
             self.environment = self.environment['runtime']['screenDriver'].analyzeScreen(self.environment)
             self.environment = self.environment['runtime']['commandManager'].executeTriggerCommands(self.environment, 'onScreenChanged')            
+            self.environment['runtime']['globalLock'].release()
             time.sleep(0.5)
 
     def handleCommands(self):
         if (self.environment['commandInfo']['currCommand'] != '') and \
-          (time.time() - self.environment['commandInfo']['lastCommandTime'] >= 0.04):
+          (time.time() - self.environment['commandInfo']['lastCommandTime'] >= 0.05):
             self.environment = self.environment['runtime']['commandManager'].executeCommand(self.environment, self.environment['commandInfo']['currCommand'], 'commands')
 
     def shutdown(self):