diff --git a/app/src/main/java/org/ntlab/amaryllis/client/VoiceActivity.java b/app/src/main/java/org/ntlab/amaryllis/client/VoiceActivity.java
index 91be140..9d5a326 100644
--- a/app/src/main/java/org/ntlab/amaryllis/client/VoiceActivity.java
+++ b/app/src/main/java/org/ntlab/amaryllis/client/VoiceActivity.java
@@ -85,7 +85,6 @@
             Stoping.setAlpha(1.0f);//画像が見えるようにする処理
             Playing.setAlpha(0.0f);//画像が見えないようにする処理
 
-
             //try{
             //mp.prepare();
             //}catch(IllegalStateException e){
diff --git a/app/src/main/java/org/ntlab/amaryllis/client/fragment/MapsFragment.java b/app/src/main/java/org/ntlab/amaryllis/client/fragment/MapsFragment.java
index f584234..39e521a 100644
--- a/app/src/main/java/org/ntlab/amaryllis/client/fragment/MapsFragment.java
+++ b/app/src/main/java/org/ntlab/amaryllis/client/fragment/MapsFragment.java
@@ -12,6 +12,7 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.util.Log;
 
 
 import android.widget.Button;
@@ -41,6 +42,8 @@
     private TextView elapsedTimeLabel;
     private TextView remainingTimeLabel;
     private int StartChange = 1;
+    private int SeekChange = 1;
+    private int StopChange = 0;
     File file;
     static final String filePath = Environment.getExternalStorageDirectory() + "/sample.mp4";
     Button RecordButton;
@@ -166,8 +169,8 @@
     //再生開始&再生中止
     //次は再生が終わった時の処理を書いていく事。
     private void startPlay(){
-        ImageView Stoping = getView().findViewById(R.id.Stoping);
-        ImageView Playing = getView().findViewById(R.id.Playing);
+        final ImageView Stoping = getView().findViewById(R.id.Stoping);
+        final ImageView Playing = getView().findViewById(R.id.Playing);
         float Tmin = 0;
         float Tmax = 255;
         //mp = new MediaPlayer();
@@ -176,9 +179,9 @@
         if(mp.isPlaying()){
             TextView textView1 = (TextView)getView().findViewById(R.id.Notice);
             textView1.setText("Playback Stop!");
-            mp.stop();//再生を中断
-            //mp.pause();//途中から再生を再開したい時はこっちを使う必要があるかも
-
+            //mp.stop();//再生を中断
+            mp.pause();//途中から再生を再開したい時はこっちを使う必要があるかも
+            SeekChange = 0;
 
             Stoping.setAlpha(1.0f);//画像が見えるようにする処理
             Playing.setAlpha(0.0f);//画像が見えないようにする処理
@@ -235,7 +238,9 @@
             }
             TextView textView1 = (TextView)getView().findViewById(R.id.Notice);
             textView1.setText("Playback Start!");
-            mp.seekTo(0);
+            if(SeekChange == 1) {
+                mp.seekTo(0);
+            }
             mp.start();//再生スタート
             Playing.setAlpha(1.0f);
             Stoping.setAlpha(0.0f);
@@ -244,6 +249,24 @@
         String S_totalTime = createTimeLabel(totalTime);//createTimeLabelにtotalTimeを渡す。
         TextView voiceTime = (TextView)getView().findViewById(R.id.VoiceTime);
         voiceTime.setText(S_totalTime);
+
+        // 再生した音声の終了を検知する
+        //implements  MediaPlayer.OnCompletionListener {
+        mp.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
+            @Override
+            public void onCompletion(MediaPlayer mp) {
+                //Log.d("debug","end of audio");
+                TextView textView1 = (TextView)getView().findViewById(R.id.Notice);
+                textView1.setText("Playback End!");
+                Stoping.setAlpha(1.0f);
+                Playing.setAlpha(0.0f);
+                mp.stop();
+                //mp.release();
+                mp.reset();
+                SeekChange = 1;
+                //audioStop();
+            }
+        });
     }
 
     //totalTimeを分、秒に変換