Websites and services that you open in Google Chrome may use the browser's audio playback capabilities to play audio. While audio playback is wanted most of the time, for instance when you click on the play button on YouTube to play a video or on Spotify's website to play a song, it is sometimes done without user interaction and often unwanted as a consequence in these situations.
Sites may display advertisement that uses audio, as video ads with sound, or play videos automatically when you visit them. There are other forms of audio content that you may find disruptive.
Update: Google launched new video with sound autoplay blocking functionality in Chrome 66. Chrome uses an engagement index to determine whether video content with audio should play automatically on sites you visit or not.
Tip: Check out our How to control audio and video autoplay in Google Chrome guide to find out how to control autoplaying media in the browser.
First tab muting extension appeared in 2011 for the Chrome browser. The free extension MuteTab added basic audio muting options to Chrome. The extension lists sites that play audio and options to run mute and other audio related commands on the identified sites.
Google began to experiment with tab audio notifiers in Google Chrome in 2013; first, powered by the startup flag --enable-audible-notifications which Chrome had to be launched with, and then later on as a built-in feature that was enabled by default.
Chrome would displays a new icon on tabs that played audio to indicate to the user that audio was played on that site.
Tab audio indicators are part of any new version of Chrome. Google added an audio muting flag to Chrome in late 2014 which users could enable to mute the audio on sites by clicking on it. The, very comfortable, option is still experimental up to this day.
Google changed the tab muting functionality of the browser in 2017. The company removed options to mute individual tabs in the browser in favor of a site-wide mute.
As far as Chrome's current functionality is concerned:
Good to know
The main option to mute the audio that plays on a site is to use the right-click context menu of tabs. Just right-click on the tab that plays audio and select the "mute site" option to turn audio off.
Chrome did support another option that made things even easier but Google decided to remove it recently. The browser supported an option to display a sound toggle in the tab itself; this meant that you could click on it to mute or activate audio playback for tabs individually.
You can enable audio muting in Chrome to add muting functionality to the audio indicator that Chrome displays when a site plays audio.
Tab audio muting UI control
When enabled, the audio indicators in the tab strip double as tab audio mute controls. This also adds commands in the tab context menu for quickly muting multiple selected tabs. – Mac, Windows, Linux, Chrome OS
Here is how that is done:
Once you have restarted Google Chrome, you may hover the mouse cursor over the audio icon of the tab and left-click on it to toggle the audio playback state between mute and unmute.
As of Chrome 64, hitting mute will mute all tabs of the site in question and not only the page of the site you clicked the audio icon on.
While you can mute sites in Chrome quickly by right-clicking on a tab and selecting the mute option, you may also use the audio controls of the browser's Site Settings.
The audio controls give you two options:
The first option is useful if you visit websites regularly that play audio that you want blocked. The second option suppresses audio on all sites but gives you options to whitelist audio on select websites.
You may block sound on specific sites only in Google Chrome. The browser offers two options for that.
You can configure Chrome to block audio on all sites by default. This mutes sound in the whole web browser but you may add sites to a whitelist to allow sound playback on those sites.
You may add sites to the whitelist by clicking on the add link next to allow. Just type the address of the site, e.g. https://www.youtube.com/ and the add in the prompt to add it to the whitelist.
Chrome blocks audio on all sites but on whitelisted sites. The browser displays a muted sound icon on tabs of sites that play audio, and displays another indicator in the address bar.
You may interact with the address bar icon to allow sound on the site by adding it to the whitelist.
Chrome displays two options when you click on the icon. If you want to allow playback, select "always allow sound on" and then done to make the change.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.