diff --git a/app/src/main/java/xdsopl/robot36/MainActivity.java b/app/src/main/java/xdsopl/robot36/MainActivity.java
index 28bc2ad..9164a28 100644
--- a/app/src/main/java/xdsopl/robot36/MainActivity.java
+++ b/app/src/main/java/xdsopl/robot36/MainActivity.java
@@ -334,9 +334,9 @@ public class MainActivity extends AppCompatActivity {
 
 	@Override
 	protected void onCreate(Bundle state) {
-		final int defaultSampleRate = 8000;
+		final int defaultSampleRate = 44100;
 		final int defaultChannelSelect = 0;
-		final int defaultAudioSource = MediaRecorder.AudioSource.DEFAULT;
+		final int defaultAudioSource = MediaRecorder.AudioSource.MIC;
 		if (state == null) {
 			SharedPreferences pref = getPreferences(Context.MODE_PRIVATE);
 			AppCompatDelegate.setDefaultNightMode(pref.getInt("nightMode", AppCompatDelegate.getDefaultNightMode()));