diff --git a/src/ofxVideoRecorder.cpp b/src/ofxVideoRecorder.cpp
index ba26a57..25000b1 100644
--- a/src/ofxVideoRecorder.cpp
+++ b/src/ofxVideoRecorder.cpp
@@ -347,6 +347,7 @@ bool ofxVideoRecorder::setupCustomOutput(int w, int h, float fps, int sampleRate
     bIsInitialized = true;
     bIsRecording = false;
     bIsPaused = false;
+    bIsAutoSync = true;
 
     startTime = 0;
     recordingDuration = 0;
@@ -363,7 +364,7 @@ bool ofxVideoRecorder::addFrame(const ofPixels &pixels){
     {
         int framesToAdd = 1; // default add one frame per request
 
-        if((bRecordAudio || bSysClockSync) && !bFinishing){
+        if(bIsAutoSync && (bRecordAudio || bSysClockSync) && !bFinishing){
 
             double syncDelta;
             double videoRecordedTime = videoFramesRecorded / frameRate;
@@ -470,6 +471,11 @@ void ofxVideoRecorder::setPaused(bool bPause){
     }
 }
 
+//--------------------------------------------------------------
+void ofxVideoRecorder::setAutoSync(bool bAutoSync){
+    bIsAutoSync = bAutoSync;
+}
+
 //--------------------------------------------------------------
 void ofxVideoRecorder::close(){
     if(!bIsInitialized) return;
diff --git a/src/ofxVideoRecorder.h b/src/ofxVideoRecorder.h
index afe819b..9009cd7 100644
--- a/src/ofxVideoRecorder.h
+++ b/src/ofxVideoRecorder.h
@@ -135,6 +135,7 @@ class ofxVideoRecorder  : public ofThread
     void start();
     void close();
     void setPaused(bool bPause);
+    void setAutoSync(bool bAutoSync);
 
     bool hasVideoError();
     bool hasAudioError();
@@ -178,6 +179,7 @@ class ofxVideoRecorder  : public ofThread
     bool bRecordVideo;
     bool bIsRecording;
     bool bIsPaused;
+    bool bIsAutoSync;
     bool bFinishing;
     bool bIsSilent;