diff --git a/app/src/main/java/com/github/axet/audiorecorder/activities/RecordingActivity.java b/app/src/main/java/com/github/axet/audiorecorder/activities/RecordingActivity.java
index fec624e..ab53317 100644
--- a/app/src/main/java/com/github/axet/audiorecorder/activities/RecordingActivity.java
+++ b/app/src/main/java/com/github/axet/audiorecorder/activities/RecordingActivity.java
@@ -532,6 +532,8 @@ public class RecordingActivity extends AppCompatActivity {
             thread.interrupt();
         }
 
+        pitch.record();
+
         thread = new Thread(new Runnable() {
             @Override
             public void run() {
@@ -640,8 +642,6 @@ public class RecordingActivity extends AppCompatActivity {
         }, "RecordingThread");
         thread.start();
 
-        pitch.record();
-
         showNotificationAlarm(true);
     }
 
diff --git a/app/src/main/java/com/github/axet/audiorecorder/widgets/PitchView.java b/app/src/main/java/com/github/axet/audiorecorder/widgets/PitchView.java
index 2ace271..a56962b 100644
--- a/app/src/main/java/com/github/axet/audiorecorder/widgets/PitchView.java
+++ b/app/src/main/java/com/github/axet/audiorecorder/widgets/PitchView.java
@@ -479,6 +479,7 @@ public class PitchView extends ViewGroup {
 
             draw = new Runnable() {
                 long start = System.currentTimeMillis();
+                int count = 0;
 
                 @Override
                 public void run() {
@@ -493,7 +494,13 @@ public class PitchView extends ViewGroup {
 
                     start = cur;
 
-                    stableRefresh = true;
+                    synchronized (this) {
+                        if (count > 10)
+                            stableRefresh = true;
+                    }
+
+                    count += 1;
+
                     if (delay > 0)
                         handler.postDelayed(draw, delay);
                     else
@@ -559,6 +566,8 @@ public class PitchView extends ViewGroup {
     }
 
     public boolean stableRefresh() {
-        return stableRefresh;
+        synchronized (this) {
+            return stableRefresh;
+        }
     }
 }