From 80c2c767d2c97ab4a6bfdc49663bf1e145f17355 Mon Sep 17 00:00:00 2001
From: Jesse <jesse.greenberg@colorado.edu>
Date: Tue, 6 Jul 2021 21:51:10 -0400
Subject: [PATCH] sound query parameter passed to allAudioEnabledProperty as a
 temporary workaround, see https://github.com/phetsims/joist/issues/724

---
 js/Sim.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/js/Sim.js b/js/Sim.js
index 2dbb02e0..e64ab63e 100644
--- a/js/Sim.js
+++ b/js/Sim.js
@@ -510,7 +510,9 @@ class Sim extends PhetioObject {
 
     // @public {BooleanProperty} - Whether or not all features involving sound are enabled in the simulation
     // (such as sound, enhanced sound, and voicing). When false the sim should be totally silent.
-    this.allAudioEnabledProperty = new BooleanProperty( true );
+    // TODO: See https://github.com/phetsims/joist/issues/724 - Temporarily, initial value is set by the "sound"
+    //  query parameter, but should have its own query parameter eventually
+    this.allAudioEnabledProperty = new BooleanProperty( phet.chipper.queryParameters.sound === 'enabled' );
 
     // Initialize the sound library if enabled, then hook up sound generation for screen changes.
     if ( this.supportsSound ) {