diff --git a/iframe.html b/iframe.html
index 37a8258..b1c0839 100644
--- a/iframe.html
+++ b/iframe.html
@@ -415,7 +415,7 @@
 			
 			
 			if ("loudness" in e.data){
-				console.log(e.data);
+				//console.log(e.data);
 				if (document.getElementById("loudness")){
 					outputWindow = document.getElementById("loudness");
 				} else {
diff --git a/index.html b/index.html
index 07ab25a..ef5592f 100644
--- a/index.html
+++ b/index.html
@@ -2208,11 +2208,11 @@
 			// session.defaultBackgroundImages = ["./media/bg_sample1.webp", "./media/bg_sample2.webp"]; // for &effects=5 (virtual backgrounds)
 		</script>
 		<script type="text/javascript" crossorigin="anonymous" src="./thirdparty/aes.js"></script>
-		<script type="text/javascript" crossorigin="anonymous" id="lib-js" src="./lib.js?ver=388"></script>
+		<script type="text/javascript" crossorigin="anonymous" id="lib-js" src="./lib.js?ver=389"></script>
 		<!-- 
 		// If you wish to change branding, blank offers a good clean start.
 		<script type="text/javascript" id="main-js" src="./main.js" data-translation="blank"></script>
 		-->
-		<script type="text/javascript" crossorigin="anonymous" id="main-js" src="./main.js?ver=402"></script>
+		<script type="text/javascript" crossorigin="anonymous" id="main-js" src="./main.js?ver=403"></script>
 	</body>
 </html>
diff --git a/lib.js b/lib.js
index fd989a8..64a7670 100644
--- a/lib.js
+++ b/lib.js
@@ -25476,65 +25476,74 @@ function updateIncomingVideoElement(UUID, video=true, audio=true){
 			}
 		});
 	}
-	
 	if (audio){
-		if (session.audioEffects===true){
-			var tracks = session.rpcs[UUID].streamSrc.getAudioTracks();
-			if (tracks.length){
-				var track = tracks[0];
-				track = addAudioPipeline(UUID, track)
-				
-				var added = false;
-				var tracks2 = session.rpcs[UUID].videoElement.srcObject.getAudioTracks();
-				tracks2.forEach(trk2 =>{
-					if (trk2.label && (trk2.label == "MediaStreamAudioDestinationNode")){ // an old morphed node; delete it.
-						session.rpcs[UUID].videoElement.srcObject.removeTrack(trk2);
-					} else if (track.id == trk2.id){ // maybe it didn't morph; already added either way
-						added = true;
-					} else if ((trk2.id == tracks[0].id) && (track.id != tracks[0].id)){ // remove original audio track that is now morphed
-						session.rpcs[UUID].videoElement.srcObject.removeTrack(trk2);
-					}
-				});
-				if (!added){
-					session.rpcs[UUID].videoElement.srcObject.addTrack(track);
+		updateIncomingAudioElement(UUID) // do the same for audio now.
+	}
+}
+
+function updateIncomingAudioElement(UUID){ // this can be called when turning on/off inbound audio processing.
+	if (!session.rpcs[UUID] || !session.rpcs[UUID].videoElement || !session.rpcs[UUID].streamSrc){return;}
+	
+	if (!session.rpcs[UUID].videoElement.srcObject) {
+		session.rpcs[UUID].videoElement.srcObject = createMediaStream();
+	}
+
+	if ((session.audioEffects===true) || session.pushLoudness){
+		var tracks = session.rpcs[UUID].streamSrc.getAudioTracks();
+		if (tracks.length){
+			var track = tracks[0];
+			track = addAudioPipeline(UUID, track)
+			
+			var added = false;
+			var tracks2 = session.rpcs[UUID].videoElement.srcObject.getAudioTracks();
+			tracks2.forEach(trk2 =>{
+				if (trk2.label && (trk2.label == "MediaStreamAudioDestinationNode")){ // an old morphed node; delete it.
+					session.rpcs[UUID].videoElement.srcObject.removeTrack(trk2);
+				} else if (track.id == trk2.id){ // maybe it didn't morph; already added either way
+					added = true;
+				} else if ((trk2.id == tracks[0].id) && (track.id != tracks[0].id)){ // remove original audio track that is now morphed
+					session.rpcs[UUID].videoElement.srcObject.removeTrack(trk2);
 				}
-				
-			} else {
-				session.rpcs[UUID].videoElement.srcObject.getAudioTracks().forEach(trk=>{ // make sure to remove all tracks.
-					session.rpcs[UUID].videoElement.srcObject.remove(trk);
-				});
+			});
+			if (!added){
+				session.rpcs[UUID].videoElement.srcObject.addTrack(track);
 			}
 			
 		} else {
-			var expected = [];
-			tracks = session.rpcs[UUID].videoElement.srcObject.getAudioTracks();  // add audio tracks
-			session.rpcs[UUID].streamSrc.getAudioTracks().forEach((trk)=>{
-				var added = false;
-				tracks.forEach(trk2 =>{
-					if (trk2.id == trk.id){
-						added=true;
-						expected.push(trk2); // 
-					}
-				});
-				if (!added){
-					session.rpcs[UUID].videoElement.srcObject.addTrack(trk);
-				}
-			});
-			tracks.forEach((trk)=>{
-				var added = false;
-				expected.forEach((trk2)=>{
-					if (trk2.id == trk.id){
-						added=true;
-					}
-				});
-				if (!added){ // not expected. so lets delete. 
-					warnlog("this shouldn't happen that often, audio track orphaned. removing it");
-					session.rpcs[UUID].videoElement.srcObject.removeTrack(trk);
-				}
+			session.rpcs[UUID].videoElement.srcObject.getAudioTracks().forEach(trk=>{ // make sure to remove all tracks.
+				session.rpcs[UUID].videoElement.srcObject.remove(trk);
 			});
 		}
-		resetupAudioOut(session.rpcs[UUID].videoElement, true);
+		
+	} else {
+		var expected = [];
+		tracks = session.rpcs[UUID].videoElement.srcObject.getAudioTracks();  // add audio tracks
+		session.rpcs[UUID].streamSrc.getAudioTracks().forEach((trk)=>{
+			var added = false;
+			tracks.forEach(trk2 =>{
+				if (trk2.id == trk.id){
+					added=true;
+					expected.push(trk2); // 
+				}
+			});
+			if (!added){
+				session.rpcs[UUID].videoElement.srcObject.addTrack(trk);
+			}
+		});
+		tracks.forEach((trk)=>{
+			var added = false;
+			expected.forEach((trk2)=>{
+				if (trk2.id == trk.id){
+					added=true;
+				}
+			});
+			if (!added){ // not expected. so lets delete. 
+				warnlog("this shouldn't happen that often, audio track orphaned. removing it");
+				session.rpcs[UUID].videoElement.srcObject.removeTrack(trk);
+			}
+		});
 	}
+	resetupAudioOut(session.rpcs[UUID].videoElement, true); 
 }
 
 
@@ -25585,6 +25594,8 @@ function addAudioPipeline(UUID, track){  // INBOUND AUDIO EFFECTS
 		} else if (session.quietOthers){
 			log("adding a loudness meter node to audio");
 			source = audioMeterGuest(source, UUID, trackid);
+		} else if (session.pushLoudness){
+			source = audioMeterGuest(source, UUID, trackid);
 		}
 		
 		if (session.rpcs[UUID].channelOffset !== false){
diff --git a/main.js b/main.js
index 402467e..fa0cbe6 100644
--- a/main.js
+++ b/main.js
@@ -273,6 +273,9 @@ async function main(){ // main asyncronous thread; mostly initializes the user s
 		session.pushEffectsData=true;
 	}
 
+	if (urlParams.has('pushloudness') || urlParams.has('getloudness')) { // this sets the loudness IFRAME API output, if available.
+		session.pushLoudness = true;
+	}
 
 	if (urlParams.has('notmobile')){
 		session.mobile = false;
@@ -4233,9 +4236,17 @@ async function main(){ // main asyncronous thread; mostly initializes the user s
 		if ("getLoudness" in e.data) {
 			log("GOT LOUDNESS REQUEST");
 			if (e.data.getLoudness == true) {
-				session.pushLoudness = true;
-				var loudness = {};
 				
+				if (!session.pushLoudness && (session.audioEffects!==true)){
+					session.pushLoudness = true;
+					for (var i in session.rpcs) {
+						updateIncomingAudioElement(i); // this can be called when turning on/off inbound audio processing.
+					}
+				} else {
+					session.pushLoudness = true;
+				}
+				
+				var loudness = {};
 				for (var i in session.rpcs) {
 					loudness[session.rpcs[i].streamID] = session.rpcs[i].stats.Audio_Loudness;
 				}
@@ -4245,7 +4256,14 @@ async function main(){ // main asyncronous thread; mostly initializes the user s
 				}, session.iframetarget);
 				
 			} else {
-				session.pushLoudness = false;
+				if (session.pushLoudness && !session.audioEffects){ // turn off audio processing
+					session.pushLoudness = false;
+					for (var i in session.rpcs) {
+						updateIncomingAudioElement(i)
+					}
+				} else {
+					session.pushLoudness = false; // can't turn off audio processing
+				}
 			}
 		}