Mikrofon Activity kalibrierung_do initialisiert

app/src/main/java/com/example/greenwatch/Mikrofon.java

 
     private boolean detection_mic = false;
     private String zeit = "0";
-    private boolean kalibrierung_do;
+    private boolean kalibrierung_do = true;
     private float threshold = 40;
     private float sensitivity = 5;
     private final static String KEY_WERT = "KEY_WERT_" + Mikrofon.class.getSimpleName();