diff --git a/src/fenrir-package/commands/commands/dec_sound_volume.py b/src/fenrir-package/commands/commands/dec_sound_volume.py
index 8fdd3ccd..d713c28f 100644
--- a/src/fenrir-package/commands/commands/dec_sound_volume.py
+++ b/src/fenrir-package/commands/commands/dec_sound_volume.py
@@ -8,7 +8,7 @@ class command():
         
         value = environment['runtime']['settingsManager'].getSettingAsFloat(environment, 'sound', 'volume')
 
-        value = round((math.ceil(20 * value) / 20) - 0.1, 2)
+        value = round((math.ceil(10 * value) / 10) - 0.1, 2)
         if value < 0.1:
             value = 0.1  
         environment = environment['runtime']['settingsManager'].setSetting(environment, 'sound', 'volume', str(value))   
diff --git a/src/fenrir-package/commands/commands/dec_speech_pitch.py b/src/fenrir-package/commands/commands/dec_speech_pitch.py
index 4f94a559..72900498 100644
--- a/src/fenrir-package/commands/commands/dec_speech_pitch.py
+++ b/src/fenrir-package/commands/commands/dec_speech_pitch.py
@@ -8,7 +8,7 @@ class command():
         
         value = environment['runtime']['settingsManager'].getSettingAsFloat(environment, 'speech', 'pitch')
 
-        value = round((math.ceil(20 * value) / 20) - 0.1, 2)
+        value = round((math.ceil(10 * value) / 10) - 0.1, 2)
         if value < 0.0:
             value = 0.0 
         environment = environment['runtime']['settingsManager'].setSetting(environment, 'speech', 'pitch', str(value))   
diff --git a/src/fenrir-package/commands/commands/dec_speech_rate.py b/src/fenrir-package/commands/commands/dec_speech_rate.py
index 13e8209d..c90fb9b0 100644
--- a/src/fenrir-package/commands/commands/dec_speech_rate.py
+++ b/src/fenrir-package/commands/commands/dec_speech_rate.py
@@ -8,7 +8,7 @@ class command():
         
         value = environment['runtime']['settingsManager'].getSettingAsFloat(environment, 'speech', 'rate')
 
-        value = round((math.ceil(20 * value) / 20) - 0.1, 2)
+        value = round((math.ceil(10 * value) / 10) - 0.1, 2)
         if value < 0.0:
             value = 0.0 
         environment = environment['runtime']['settingsManager'].setSetting(environment, 'speech', 'rate', str(value))   
diff --git a/src/fenrir-package/commands/commands/dec_speech_volume.py b/src/fenrir-package/commands/commands/dec_speech_volume.py
index 9a821429..27f3155d 100644
--- a/src/fenrir-package/commands/commands/dec_speech_volume.py
+++ b/src/fenrir-package/commands/commands/dec_speech_volume.py
@@ -8,7 +8,7 @@ class command():
         
         value = environment['runtime']['settingsManager'].getSettingAsFloat(environment, 'speech', 'volume')
 
-        value = round((math.ceil(20 * value) / 20) - 0.1, 2)
+        value = round((math.ceil(10 * value) / 10) - 0.1, 2)
         if value < 0.1:
             value = 0.1  
         environment = environment['runtime']['settingsManager'].setSetting(environment, 'speech', 'volume', str(value))   
diff --git a/src/fenrir-package/commands/commands/inc_sound_volume.py b/src/fenrir-package/commands/commands/inc_sound_volume.py
index fde72449..a74c7eb2 100644
--- a/src/fenrir-package/commands/commands/inc_sound_volume.py
+++ b/src/fenrir-package/commands/commands/inc_sound_volume.py
@@ -8,7 +8,7 @@ class command():
         
         value = environment['runtime']['settingsManager'].getSettingAsFloat(environment, 'sound', 'volume')
 
-        value = round((math.ceil(20 * value) / 20) + 0.1, 2)
+        value = round((math.ceil(10 * value) / 10) + 0.1, 2)
         if value > 1.0:
             value = 1.0  
         environment = environment['runtime']['settingsManager'].setSetting(environment, 'sound', 'volume', str(value))   
diff --git a/src/fenrir-package/commands/commands/inc_speech_pitch.py b/src/fenrir-package/commands/commands/inc_speech_pitch.py
index 786ca551..955fad05 100644
--- a/src/fenrir-package/commands/commands/inc_speech_pitch.py
+++ b/src/fenrir-package/commands/commands/inc_speech_pitch.py
@@ -8,7 +8,7 @@ class command():
         
         value = environment['runtime']['settingsManager'].getSettingAsFloat(environment, 'speech', 'pitch')
 
-        value = round((math.ceil(20 * value) / 20) + 0.1, 2)
+        value = round((math.ceil(10 * value) / 10) + 0.1, 2)
         if value > 1.0:
             value = 1.0  
         environment = environment['runtime']['settingsManager'].setSetting(environment, 'speech', 'pitch', str(value))   
diff --git a/src/fenrir-package/commands/commands/inc_speech_rate.py b/src/fenrir-package/commands/commands/inc_speech_rate.py
index 939b352c..490a713f 100644
--- a/src/fenrir-package/commands/commands/inc_speech_rate.py
+++ b/src/fenrir-package/commands/commands/inc_speech_rate.py
@@ -8,7 +8,7 @@ class command():
         
         value = environment['runtime']['settingsManager'].getSettingAsFloat(environment, 'speech', 'rate')
 
-        value = round((math.ceil(20 * value) / 20) + 0.1, 2)
+        value = round((math.ceil(10 * value) / 10) + 0.1, 2)
         if value > 1.0:
             value = 1.0  
         environment = environment['runtime']['settingsManager'].setSetting(environment, 'speech', 'rate', str(value))   
diff --git a/src/fenrir-package/commands/commands/inc_speech_volume.py b/src/fenrir-package/commands/commands/inc_speech_volume.py
index b68cf2e0..0b4a3706 100644
--- a/src/fenrir-package/commands/commands/inc_speech_volume.py
+++ b/src/fenrir-package/commands/commands/inc_speech_volume.py
@@ -8,7 +8,7 @@ class command():
         
         value = environment['runtime']['settingsManager'].getSettingAsFloat(environment, 'speech', 'volume')
 
-        value = round((math.ceil(20 * value) / 20) + 0.1, 2)
+        value = round((math.ceil(10 * value) / 10) + 0.1, 2)
         if value > 1.0:
             value = 1.0  
         environment = environment['runtime']['settingsManager'].setSetting(environment, 'speech', 'volume', str(value))