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In latest Chrome versions (71 and higher) content autoplay policy was changed. Now, user has to do something to start video playback on web page, to press a key for example.
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Therefore, in Chrome 71 and in another Chromium based browsers that support new autoplay policy, video automatic playback starts with no muted sound. To enable sound user has to move volume control in Embed Player window.
Ther is a way to workaround this limit with no users action. To do this, this code should be added to player page
| Code Block | ||||
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<iframe src="silence.mp3" allow="autoplay" id="audio" style="display:none"></iframe> |
and silence.mp3 file containing 0.25 seconds of silence should be placed in page folder.
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Firefox and MacOS Safari
As in Chrome browser, autoplay starts with muted sound. Uers action is required to unmute.
iOS Safari
Autoplay works since iOS 12.2. Note that autoplay policy as well as in Chrome browser, requires user to move volume cotrol control to start sound playback.
In iOS 12.2-12.3 sound playback may not be started even after moving volume control. In this case, video playback should be restarted without reloading the page.
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