diff --git a/app/build.gradle b/app/build.gradle
index 34fe0c6..a5a8383 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "com.github.axet.audiorecorder"
         minSdkVersion 9
         targetSdkVersion 23
-        versionCode 104
-        versionName "1.4.2"
+        versionCode 105
+        versionName "1.4.3"
     }
     signingConfigs {
         release {
@@ -48,7 +48,7 @@ dependencies {
     compile 'com.android.support:design:25.1.1'
     compile 'com.google.android.gms:play-services-appindexing:9.8.0'
     compile 'org.apache.commons:commons-math3:3.6.1'
-    compile 'com.github.axet:android-library:1.9.5' // compile project(':android-library')
+    compile 'com.github.axet:android-library:1.9.7' //compile project(':android-library')
     compile 'com.github.axet:jebml:0.0.2' // compile project(':jebml')
     compile 'com.github.axet:vorbis:1.0.0' // compile project(':vorbis')
 }
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 d8699a8..cadd0a3 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
@@ -49,7 +49,6 @@ import com.github.axet.audiorecorder.services.RecordingService;
 import com.github.axet.audiorecorder.widgets.PitchView;
 
 import java.io.File;
-import java.util.Arrays;
 
 public class RecordingActivity extends AppCompatActivity {
     public static final String TAG = RecordingActivity.class.getSimpleName();
@@ -186,7 +185,7 @@ public class RecordingActivity extends AppCompatActivity {
                 WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
 
         sampleRate = Integer.parseInt(shared.getString(MainApplication.PREFERENCE_RATE, ""));
-        sampleRate = Sound.getValidRecordRate(sampleRate);
+        sampleRate = Sound.getValidRecordRate(MainApplication.getMode(this), sampleRate);
         samplesUpdate = (int) (pitch.getPitchTime() * sampleRate / 1000.0);
 
         updateBufferSize(false);
@@ -594,10 +593,7 @@ public class RecordingActivity extends AppCompatActivity {
                         throw new RuntimeException("Unable to initialize AudioRecord: Bad audio values");
                     }
 
-                    // min = 1 sec
-                    min = Math.max(sampleRate * (MainApplication.getChannels(RecordingActivity.this)), min);
-
-                    recorder = new AudioRecord(MediaRecorder.AudioSource.MIC, sampleRate, MainApplication.getMode(RecordingActivity.this), RawSamples.AUDIO_FORMAT, min);
+                    recorder = new AudioRecord(MediaRecorder.AudioSource.MIC, sampleRate, MainApplication.getMode(RecordingActivity.this), RawSamples.AUDIO_FORMAT, min * 2);
                     if (recorder.getState() != AudioRecord.STATE_INITIALIZED) {
                         throw new RuntimeException("Unable to initialize AudioRecord");
                     }