diff --git a/libraries/audio-client/src/AudioClient.cpp b/libraries/audio-client/src/AudioClient.cpp
index f37172ea4e..032c70985e 100644
--- a/libraries/audio-client/src/AudioClient.cpp
+++ b/libraries/audio-client/src/AudioClient.cpp
@@ -967,8 +967,8 @@ void AudioClient::setIsStereoInput(bool isStereoInput) {
     }
 }
 
-void AudioClient::toggleAudioSourceInject() {
-    _audioSourceInjectEnabled = !_audioSourceInjectEnabled;
+void AudioClient::enableAudioSourceInject(bool enable) {
+    _audioSourceInjectEnabled = enable;
 }
 
 void AudioClient::selectAudioSourcePinkNoise() {
diff --git a/libraries/audio-client/src/AudioClient.h b/libraries/audio-client/src/AudioClient.h
index 7ac445a7fc..bb145a209f 100644
--- a/libraries/audio-client/src/AudioClient.h
+++ b/libraries/audio-client/src/AudioClient.h
@@ -1,6 +1,6 @@
 //
 //  AudioClient.h
-//  interface/src
+//  libraries/audio-client/src
 //
 //  Created by Stephen Birarda on 1/22/13.
 //  Copyright 2013 High Fidelity, Inc.
@@ -143,9 +143,9 @@ public slots:
     void audioMixerKilled();
     void toggleMute();
     
-    void toggleAudioSourceInject();
-    void selectAudioSourcePinkNoise();
-    void selectAudioSourceSine440();
+    virtual void enableAudioSourceInject(bool enable);
+    virtual void selectAudioSourcePinkNoise();
+    virtual void selectAudioSourceSine440();
     
     void toggleAudioNoiseReduction() { _isNoiseGateEnabled = !_isNoiseGateEnabled; }
     
diff --git a/libraries/audio/src/AbstractAudioInterface.h b/libraries/audio/src/AbstractAudioInterface.h
index 656d3c1f58..9649d11ad2 100644
--- a/libraries/audio/src/AbstractAudioInterface.h
+++ b/libraries/audio/src/AbstractAudioInterface.h
@@ -27,6 +27,10 @@ public:
     
 public slots:
     virtual bool outputLocalInjector(bool isStereo, qreal volume, AudioInjector* injector) = 0;
+    
+    virtual void enableAudioSourceInject(bool enable) = 0;
+    virtual void selectAudioSourcePinkNoise() = 0;
+    virtual void selectAudioSourceSine440() = 0;
 };
 
 Q_DECLARE_METATYPE(AbstractAudioInterface*)