--- a/dom/media/AudioStream.cpp
+++ b/dom/media/AudioStream.cpp
@@ -14,16 +14,19 @@
 #include "mozilla/Mutex.h"
 #include "mozilla/Sprintf.h"
 #include <algorithm>
 #include "mozilla/Telemetry.h"
 #include "CubebUtils.h"
 #include "nsPrintfCString.h"
 #include "gfxPrefs.h"
 #include "AudioConverter.h"
+#if defined(XP_WIN)
+#include "mozilla/audio/AudioNotificationReceiver.h"
+#endif
 
 namespace mozilla {
 
 #undef LOG
 #undef LOGW
 
 LazyLogModule gAudioStreamLog("AudioStream");
 // For simple logs
@@ -115,29 +118,39 @@ AudioStream::AudioStream(DataSource& aSo
   : mMonitor("AudioStream")
   , mChannels(0)
   , mOutChannels(0)
   , mTimeStretcher(nullptr)
   , mDumpFile(nullptr)
   , mState(INITIALIZED)
   , mDataSource(aSource)
 {
+#if defined(XP_WIN)
+  if (XRE_IsContentProcess()) {
+    audio::AudioNotificationReceiver::Register(this);
+  }
+#endif
 }
 
 AudioStream::~AudioStream()
 {
   LOG("deleted, state %d", mState);
   MOZ_ASSERT(mState == SHUTDOWN && !mCubebStream,
              "Should've called Shutdown() before deleting an AudioStream");
   if (mDumpFile) {
     fclose(mDumpFile);
   }
   if (mTimeStretcher) {
     soundtouch::destroySoundTouchObj(mTimeStretcher);
   }
+#if defined(XP_WIN)
+  if (XRE_IsContentProcess()) {
+    audio::AudioNotificationReceiver::Unregister(this);
+  }
+#endif
 }
 
 size_t
 AudioStream::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const
 {
   size_t amount = aMallocSizeOf(this);
 
   // Possibly add in the future: