Index: vendor/magento/module-product-video/view/frontend/web/js/load-player.js
===================================================================
--- a/vendor/magento/module-product-video/view/frontend/web/js/load-player.js	(revision d95080f95f4750cb6734af86ac366e29f71d54e8)
+++ b/vendor/magento/module-product-video/view/frontend/web/js/load-player.js	(date 1676977870214)
@@ -324,7 +324,7 @@
             this._autoplay = true;

             if (this._autoplay) {
-                additionalParams += '&autoplay=1';
+                additionalParams += '&autoplay=1&muted=1';
             }

             if (this._loop) {