Last year, we introduced muted autoplay to provide a better autoplaying experience for viewers, as well as to combat some changes browsers were making around not allowing autoplaying videos with sound in certain situations.
Videos that have been Customized since December of 2017 were saved with either the option “Play with sound” or “Play silently” selected. These options try to do one thing all the time to limit confusion. We will continue to respect those selections. However, we are adding one more option: “Play sound if possible.” That is, if the video cannot be autoplayed with sound, it will autoplay silently with the “Click For Sound” button visible instead.
If you had previously chosen “Play with sound,” you should be aware that Google Chrome is releasing an update on April 17, 2018 to how they handle autoplaying videos which may prevent autoplay in many situations. You can learn more about how it chooses to play or block videos here: https://blog.chromium.org/2017/09/unified-autoplay.html
With no change, your “Play with sound” autoplay videos in Chrome will simply show the customized thumbnail and controls until the viewer clicks to play. If it's okay for your video to autoplay without sound, you should choose the “Play sound if possible” option in Customize or set the embed option silentAutoPlay=allow.
For new videos and videos that haven't been saved in Customize since December 2017, their default behavior will be “Play sound if possible.” You can change this setting via Customize or by setting the silentAutoPlay embed option (https://wistia.com/support/developers/embed-options#silentautoplay
For more information on our autoplay behavior, check out the blog post (https://wistia.com/blog/muted-autoplaying-videos
) or the API documentation (https://wistia.com/support/developers/embed-options#silentautoplay
Apr 11, 12:09 EDT