https://www.dotnetzone.gr:443/cs/blogs/birbilis/archive/2014/11/18/gotcha-mediaelement-autoplay-faster-than-doing-play-at-mediaopened.aspxJust added the following comment to: https://github.com/loarabia/ManagedMediaHelpers/issues/15 Managed Media Helpers contains the very useful Mp3MediaSource class for .NET / Silverlight / Windows Phone. Added compile-time SWITCHES and respective codeelCommunityServer 2.1 SP3 (Build: 20423.1)