diff --git a/hark.js b/hark.js
index 2cda214..0c7e2b5 100644
--- a/hark.js
+++ b/hark.js
@@ -30,6 +30,7 @@ module.exports = function(stream, options) {
       interval = (options.interval || 100),
       threshold = options.threshold,
       play = options.play,
+      history = options.history || 10,
       running = true;
 
   //Setup Audio Context
@@ -76,6 +77,10 @@ module.exports = function(stream, options) {
       harker.emit('stopped_speaking');
     }
   };
+  harker.speakingHistory = [];
+  for (var i = 0; i < options.history; i++) {
+      harker.speakingHistory.push(0);
+  }
 
   // Poll the analyser node to determine if speaking
   // and emit events if changed
@@ -91,6 +96,29 @@ module.exports = function(stream, options) {
 
       harker.emit('volume_change', currentVolume, threshold);
 
+      var history = 0;
+      if (currentVolume > threshold && !harker.speaking) {
+        // trigger quickly, short history
+        for (var i = harker.speakingHistory.length - 3; i < harker.speakingHistory.length; i++) {
+          history += harker.speakingHistory[i];
+        }
+        if (history >= 2) {
+          harker.speaking = true;
+          harker.emit('speaking');
+        }
+      } else if (currentVolume < threshold && harker.speaking) {
+        for (var i = 0; i < harker.speakingHistory.length; i++) {
+          history += harker.speakingHistory[i];
+        }
+        if (history == 0) {
+          harker.speaking = false;
+          harker.emit('stopped_speaking');
+        }
+      }
+      //console.log((new Date()).getTime(), history, harker.speakingHistory);
+      harker.speakingHistory.shift();
+      harker.speakingHistory.push(0 + (currentVolume > threshold));
+
       if (currentVolume > threshold) {
         if (!harker.speaking) {
           harker.speaking = true;