diff --git a/app/src/main/java/nie/translator/rtranslatordevedition/Global.java b/app/src/main/java/nie/translator/rtranslatordevedition/Global.java
index 1186ba7..226ec0b 100644
--- a/app/src/main/java/nie/translator/rtranslatordevedition/Global.java
+++ b/app/src/main/java/nie/translator/rtranslatordevedition/Global.java
@@ -62,6 +62,8 @@ public class Global extends Application {
     private ConsumptionsDataManager databaseManager;
     private AccessToken apiToken;
     private int micSensitivity = -1;
+    private int speechTimeout = -1;
+    private int prevVoiceDuration = -1;
     private int amplitudeThreshold = Recorder.DEFAULT_AMPLITUDE_THRESHOLD;
     private Handler mainHandler;
     private Thread getApiTokenThread;
@@ -295,6 +297,38 @@ public void setMicSensitivity(int value) {
         editor.apply();
     }
 
+    public int getSpeechTimeout() {
+        if (speechTimeout == -1) {
+            final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+            speechTimeout = sharedPreferences.getInt("speechTimeout", Recorder.DEFAULT_SPEECH_TIMEOUT_MILLIS);
+        }
+        return speechTimeout;
+    }
+
+    public void setSpeechTimeout(int value) {
+        speechTimeout = value;
+        final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+        SharedPreferences.Editor editor = sharedPreferences.edit();
+        editor.putInt("speechTimeout", value);
+        editor.apply();
+    }
+
+    public int getPrevVoiceDuration() {
+        if (prevVoiceDuration == -1) {
+            final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+            prevVoiceDuration = sharedPreferences.getInt("prevVoiceDuration", Recorder.DEFAULT_PREV_VOICE_DURATION);
+        }
+        return prevVoiceDuration;
+    }
+
+    public void setPrevVoiceDuration(int value) {
+        prevVoiceDuration = value;
+        final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+        SharedPreferences.Editor editor = sharedPreferences.edit();
+        editor.putInt("prevVoiceDuration", value);
+        editor.apply();
+    }
+
     private void setAmplitudeThreshold(int micSensitivity) {
         float amplitudePercentage = 1f - (micSensitivity / 100f);
         if (amplitudePercentage < 0.5f) {
diff --git a/app/src/main/java/nie/translator/rtranslatordevedition/settings/SeekBarPreference.java b/app/src/main/java/nie/translator/rtranslatordevedition/settings/SeekBarPreference.java
index f41323b..78470f4 100644
--- a/app/src/main/java/nie/translator/rtranslatordevedition/settings/SeekBarPreference.java
+++ b/app/src/main/java/nie/translator/rtranslatordevedition/settings/SeekBarPreference.java
@@ -23,15 +23,27 @@
 import android.widget.ImageButton;
 import android.widget.SeekBar;
 import android.widget.TextView;
+
 import androidx.preference.Preference;
 import androidx.preference.PreferenceViewHolder;
+
+import java.util.Locale;
+
 import nie.translator.rtranslatordevedition.Global;
 import nie.translator.rtranslatordevedition.R;
+import nie.translator.rtranslatordevedition.voice_translation.cloud_apis.voice.Recorder;
 
 
 public class SeekBarPreference extends Preference {
+    public static final int MIC_SENSIBILITY_MODE = 0;
+    public static final int SPEECH_TIMEOUT_MODE = 1;
+    public static final int PREV_VOICE_DURATION_MODE = 2;
+    private int mode;
+    private int defaultValue = 50;
     private SeekBar seekBar;
     private TextView value;
+    private TextView title;
+    private TextView summary;
     private ImageButton button;
     private Global global;
 
@@ -55,13 +67,25 @@ public SeekBarPreference(Context context) {
     public void onBindViewHolder(PreferenceViewHolder holder) {
         super.onBindViewHolder(holder);
         value = (TextView) holder.findViewById(R.id.textViewValue);
+        title = (TextView) holder.findViewById(R.id.title);
+        summary = (TextView) holder.findViewById(R.id.summary);
         seekBar = (SeekBar) holder.findViewById(R.id.seekBar);
         button = (ImageButton) holder.findViewById(R.id.buttonRestore);
 
         seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
             @Override
-            public void onProgressChanged(SeekBar seekBar, int seekbarValue, boolean b) {
-                value.setText(Integer.toString(seekbarValue));
+            public void onProgressChanged(SeekBar seekBar, int seekBarValue, boolean b) {
+                switch (mode) {
+                    case MIC_SENSIBILITY_MODE:
+                        value.setText(String.format(Locale.US, "%d", seekBarValue));
+                        break;
+                    case SPEECH_TIMEOUT_MODE:
+                        value.setText(String.format(Locale.US, "%.2f s", ((float) seekBarValue + Recorder.MIN_SPEECH_TIMEOUT_MILLIS) / 1000));
+                        break;
+                    case PREV_VOICE_DURATION_MODE:
+                        value.setText(String.format(Locale.US, "%.2f s", ((float) seekBarValue + Recorder.MIN_PREV_VOICE_DURATION) / 1000));
+                        break;
+                }
             }
 
             @Override
@@ -71,10 +95,7 @@ public void onStartTrackingTouch(SeekBar seekBar) {
 
             @Override
             public void onStopTrackingTouch(SeekBar seekBar) {
-                if (global != null) {
-                    // saving the value of the textView value
-                    global.setMicSensitivity(Integer.parseInt(value.getText().toString()));
-                }
+                saveValue();
             }
         });
 
@@ -82,33 +103,102 @@ public void onStopTrackingTouch(SeekBar seekBar) {
             @Override
             public void onClick(View view) {
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-                    seekBar.setProgress(50, true);
+                    seekBar.setProgress(defaultValue, true);
                 } else {
-                    seekBar.setProgress(50);
+                    seekBar.setProgress(defaultValue);
                 }
-                // saving the value of the textView value
-                global.setMicSensitivity(Integer.parseInt(value.getText().toString()));
+                saveValue();
             }
         });
 
-        if(global!=null){
-            setSeekebarValue();
+        if (global != null) { //if initialize was run before (and therefore failed to execute the code inside if(seekBar!=null){} )
+            initialize();
         }
     }
 
-    public void initialize(SettingsActivity activity) {
+    public void initialize(SettingsActivity activity, int mode) {
         global = (Global) activity.getApplication();
-        if(seekBar!=null){
-            setSeekebarValue();
+        this.mode = mode;
+        initialize();
+    }
+
+    private void initialize() {
+        if (seekBar != null) {  //if onBindViewHolder was run before (and therefore failed to execute the code inside if(global!=null){} )
+            switch (mode) {
+                case MIC_SENSIBILITY_MODE:
+                    defaultValue = 50;
+                    seekBar.setMax(100);
+                    title.setText(R.string.preference_title_mic_sensitivity);
+                    summary.setText(R.string.preference_description_mic_sensitivity);
+                    break;
+
+                case SPEECH_TIMEOUT_MODE:
+                    defaultValue = Recorder.DEFAULT_SPEECH_TIMEOUT_MILLIS - Recorder.MIN_SPEECH_TIMEOUT_MILLIS;
+                    seekBar.setMax(Recorder.MAX_SPEECH_TIMEOUT_MILLIS - Recorder.MIN_SPEECH_TIMEOUT_MILLIS);  //we not use only MAX_SPEECH_TIMEOUT_MILLIS because we can't set the min value, so we set a (MAX - MIN) Max and we add MIN to the value of the SeekBar
+                    title.setText(R.string.preference_title_speech_timeout);
+                    summary.setText(R.string.preference_description_speech_timeout);
+                    break;
+
+                case PREV_VOICE_DURATION_MODE:
+                    defaultValue = Recorder.DEFAULT_PREV_VOICE_DURATION - Recorder.MIN_PREV_VOICE_DURATION;
+                    seekBar.setMax(Recorder.MAX_PREV_VOICE_DURATION - Recorder.MIN_PREV_VOICE_DURATION);
+                    title.setText(R.string.preference_title_prev_voice_duration);
+                    summary.setText(R.string.preference_description_prev_voice_duration);
+                    break;
+            }
+
+            setSeekBarValue();
         }
     }
 
-    public void setSeekebarValue(){
-        int value=global.getMicSensitivity();
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            seekBar.setProgress(value, true);
-        } else {
-            seekBar.setProgress(value);
+    public void setSeekBarValue() {
+        switch (mode) {
+            case MIC_SENSIBILITY_MODE: {
+                int value = global.getMicSensitivity();
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                    seekBar.setProgress(value, true);
+                } else {
+                    seekBar.setProgress(value);
+                }
+            }
+            break;
+
+            case SPEECH_TIMEOUT_MODE: {
+                int value = global.getSpeechTimeout() - Recorder.MIN_SPEECH_TIMEOUT_MILLIS;
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                    seekBar.setProgress(value, true);
+                } else {
+                    seekBar.setProgress(value);
+                }
+            }
+            break;
+
+            case PREV_VOICE_DURATION_MODE: {
+                int value = global.getPrevVoiceDuration() - Recorder.MIN_PREV_VOICE_DURATION;
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                    seekBar.setProgress(value, true);
+                } else {
+                    seekBar.setProgress(value);
+                }
+            }
+            break;
+        }
+    }
+
+    private void saveValue() {
+        if (global != null) {
+            // saving the value of the textView value
+            switch (mode) {
+                case MIC_SENSIBILITY_MODE:
+                    global.setMicSensitivity(Integer.parseInt(value.getText().toString()));
+                    break;
+                case SPEECH_TIMEOUT_MODE:
+                    global.setSpeechTimeout((int) (Float.parseFloat(value.getText().toString().replace(" s", "")) * 1000));
+                    break;
+                case PREV_VOICE_DURATION_MODE:
+                    global.setPrevVoiceDuration((int) (Float.parseFloat(value.getText().toString().replace(" s", "")) * 1000));
+                    break;
+            }
         }
     }
 }
diff --git a/app/src/main/java/nie/translator/rtranslatordevedition/settings/SettingsFragment.java b/app/src/main/java/nie/translator/rtranslatordevedition/settings/SettingsFragment.java
index 67d0a41..ab6b826 100644
--- a/app/src/main/java/nie/translator/rtranslatordevedition/settings/SettingsFragment.java
+++ b/app/src/main/java/nie/translator/rtranslatordevedition/settings/SettingsFragment.java
@@ -154,8 +154,8 @@ public void onViewHeightMeasured(int height) {
         });*/
 
         // change microphone sensibility initialization
-        SeekBarPreference seekBarPreference = (SeekBarPreference) findPreference("micSensibility");
-        seekBarPreference.initialize(activity);
+        SeekBarPreference micSensibilityPreference = (SeekBarPreference) findPreference("micSensibilitySetting");
+        micSensibilityPreference.initialize(activity, SeekBarPreference.MIC_SENSIBILITY_MODE);
 
         // language support option with low quality tts initialization
         supportTtsQualityPreference = (SupportTtsQualityPreference) findPreference("languagesQualityLow");
@@ -178,6 +178,14 @@ public boolean onPreferenceClick(Preference preference) {
                 return true;
             }
         });
+
+        // change microphone sensibility initialization
+        SeekBarPreference speechTimeoutPreference = (SeekBarPreference) findPreference("SpeechTimeoutSetting");
+        speechTimeoutPreference.initialize(activity, SeekBarPreference.SPEECH_TIMEOUT_MODE);
+
+        // change microphone sensibility initialization
+        SeekBarPreference prevVoiceDurationPreference = (SeekBarPreference) findPreference("PrevVoiceDurationSetting");
+        prevVoiceDurationPreference.initialize(activity, SeekBarPreference.PREV_VOICE_DURATION_MODE);
     }
 
     @Override
diff --git a/app/src/main/java/nie/translator/rtranslatordevedition/voice_translation/cloud_apis/voice/Recorder.java b/app/src/main/java/nie/translator/rtranslatordevedition/voice_translation/cloud_apis/voice/Recorder.java
index ed60bf5..5af20e4 100644
--- a/app/src/main/java/nie/translator/rtranslatordevedition/voice_translation/cloud_apis/voice/Recorder.java
+++ b/app/src/main/java/nie/translator/rtranslatordevedition/voice_translation/cloud_apis/voice/Recorder.java
@@ -47,11 +47,15 @@ public class Recorder {
     public static final int MAX_AMPLITUDE_THRESHOLD = 15000;
     public static final int DEFAULT_AMPLITUDE_THRESHOLD = 2000; //original: 1500
     public static final int MIN_AMPLITUDE_THRESHOLD = 400;
-    private static final int SPEECH_TIMEOUT_MILLIS = 750; //original: 2000
-    private static final int MAX_SPEECH_LENGTH_MILLIS = 30 * 1000;
-    private static final double PREV_VOICE_DURATION = 800;
+    public static final int MAX_SPEECH_TIMEOUT_MILLIS = 5000;
+    public static final int DEFAULT_SPEECH_TIMEOUT_MILLIS = 800; //original: 2000
+    public static final int MIN_SPEECH_TIMEOUT_MILLIS = 100;
+    public static final int MAX_PREV_VOICE_DURATION = 1500;
+    public static final int DEFAULT_PREV_VOICE_DURATION = 800;
+    public static final int MIN_PREV_VOICE_DURATION = 100;
+    private static final int MAX_SPEECH_LENGTH_MILLIS = 29 * 1000; //original: 30 * 1000
     private Timer timer;
-    private Callback mCallback;
+    private final Callback mCallback;
     private AudioRecord mAudioRecord;
     private Thread mThread;
     private int mPrevBufferMaxSize;
@@ -70,6 +74,8 @@ public class Recorder {
     public Recorder(Global global, @NonNull Callback callback) {
         this.global = global;
         global.getMicSensitivity();
+        global.getSpeechTimeout();
+        global.getPrevVoiceDuration();
         mCallback = callback;
         mCallback.setRecorder(this);
         if(!(callback instanceof SimpleCallback)){
@@ -179,7 +185,7 @@ private AudioRecord createAudioRecord() {
             audioRecord = new AudioRecord(MediaRecorder.AudioSource.VOICE_RECOGNITION, sampleRate, CHANNEL, ENCODING, sizeInBytes);
             if (audioRecord.getState() == AudioRecord.STATE_INITIALIZED) {
                 mBuffer = new byte[sizeInBytes * 2];  //attention here
-                mPrevBufferMaxSize = (int) Math.floor((((16f * sampleRate) / 8) * (PREV_VOICE_DURATION /1000)) / mBuffer.length);
+                mPrevBufferMaxSize = (int) Math.floor((((16f * sampleRate) / 8) * (((double)global.getPrevVoiceDuration()) /1000)) / mBuffer.length);
                 mPrevBuffer = new ArrayDeque<>();   // the prev buffer must contain PREV_VOICE_DURATION seconds of data prior to the buffer
                 return audioRecord;
             } else {
@@ -226,7 +232,7 @@ public void run() {
                     }
                 } else if (mLastVoiceHeardMillis != Long.MAX_VALUE) {
                     mCallback.onVoice(mBuffer, size);
-                    if (now - mLastVoiceHeardMillis > SPEECH_TIMEOUT_MILLIS) {
+                    if (now - mLastVoiceHeardMillis > global.getSpeechTimeout()) {
                         end();
                     }
                 }
diff --git a/app/src/main/res/layout/preference_seekbar.xml b/app/src/main/res/layout/preference_seekbar.xml
index 8722047..ef79d94 100644
--- a/app/src/main/res/layout/preference_seekbar.xml
+++ b/app/src/main/res/layout/preference_seekbar.xml
@@ -81,7 +81,7 @@
         android:layout_marginEnd="16dp"
         android:layout_marginBottom="16dp"
         android:max="100"
-        android:progress="50"
+        android:progress="0"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toStartOf="@+id/textViewValue"
         app:layout_constraintStart_toEndOf="@+id/buttonRestore"
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 29ba07c..aa33ad3 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -108,13 +108,18 @@
     <string name="preference_header_language">Lingua</string>
     <string name="preference_header_output">Output</string>
     <string name="preference_header_input">Input</string>
+    <string name="preference_header_advanced">Avanzate</string>
 
     <string name="preference_title_mic_sensitivity">Sensibilità microfono</string>
     <string name="preference_title_support_tts_quality">Supporto lingue con tts a bassa qualità</string>
     <string name="preference_title_language">Lingua personale</string>
     <string name="preference_title_tts">Sintetizzatore vocale</string>
+    <string name="preference_title_speech_timeout">Timeout fine voce</string>
+    <string name="preference_title_prev_voice_duration">Durata anticipo voce</string>
 
     <string name="preference_description_mic_sensitivity">Seleziona il livello di volume che serve per avviare e mantenere il riconoscimento vocale</string>
     <string name="preference_description_support_tts_quality">Permette di supportare anche le lingue che hanno una bassa qualità del sintetizzatore vocale</string>
     <string name="preference_description_tts">Impostazioni di sistema del tts</string>
+    <string name="preference_description_speech_timeout">Seleziona il tempo che deve trascorrere dopo aver smesso di parlare per inviare il testo trascritto</string>
+    <string name="preference_description_prev_voice_duration">Seleziona la durata della registrazione precedente a quando si inizia a parlare che verrà inclusa nel riconoscimento vocale</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 5e991e7..40cc99e 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -112,14 +112,19 @@
     <string name="preference_header_language">Language</string>
     <string name="preference_header_output">Output</string>
     <string name="preference_header_input">Input</string>
+    <string name="preference_header_advanced">Advanced</string>
 
     <string name="preference_title_mic_sensitivity">Microphone sensitivity</string>
     <string name="preference_title_support_tts_quality">Support languages ​​with low quality tts</string>
     <string name="preference_title_language">Personal language</string>
     <string name="preference_title_tts">Text to speech</string>
+    <string name="preference_title_speech_timeout">End of voice timeout</string>
+    <string name="preference_title_prev_voice_duration">Voice anticipation duration</string>
 
     <string name="preference_description_mic_sensitivity">Select the volume level you need to start and maintain voice recognition</string>
     <string name="preference_description_support_tts_quality">It allow to also supports languages ​​that have a low quality speech synthesizer</string>
     <string name="preference_description_tts">System settings of tts</string>
+    <string name="preference_description_speech_timeout">Select the time after you stop talking to send the transcribed text</string>
+    <string name="preference_description_prev_voice_duration">Select the length of the recording before you start speaking that will be included in the voice recognition</string>
 
 </resources>
diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index 4ad6044..7dad7b2 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -31,7 +31,7 @@
         android:title="@string/preference_header_input"
         app:iconSpaceReserved="false">
         <nie.translator.rtranslatordevedition.settings.SeekBarPreference
-            android:key="micSensibility"
+            android:key="micSensibilitySetting"
             android:layout="@layout/preference_seekbar"
             app:iconSpaceReserved="false" />
     </androidx.preference.PreferenceCategory>
@@ -61,4 +61,16 @@
             android:summary="@string/preference_description_tts"
             app:iconSpaceReserved="false" />
     </androidx.preference.PreferenceCategory>
+    <androidx.preference.PreferenceCategory
+        android:title="@string/preference_header_advanced"
+        app:iconSpaceReserved="false">
+        <nie.translator.rtranslatordevedition.settings.SeekBarPreference
+            android:key="SpeechTimeoutSetting"
+            android:layout="@layout/preference_seekbar"
+            app:iconSpaceReserved="false" />
+        <nie.translator.rtranslatordevedition.settings.SeekBarPreference
+            android:key="PrevVoiceDurationSetting"
+            android:layout="@layout/preference_seekbar"
+            app:iconSpaceReserved="false" />
+    </androidx.preference.PreferenceCategory>
 </androidx.preference.PreferenceScreen>
\ No newline at end of file