ShutUp!Tab

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Mute the active tab permanently via black list of domains.Mute the active tab or automatically mute the tabs opened by the URL from the blacklist.
Позволяет отключать звук на определенных вкладках либо добавить домен или url в черный список для постоянного отключения звука на них.

Problems:

In old version of browser you need to enable Chrome's setting "enable-tab-audio-muting
1. Type chrome://flags/#enable-tab-audio-muting into Chrome's address bar and press Enter.
2. Chrome should automatically scroll down to the "Enable Tab Audio Muting UI" flag. Click the enable link below it.
3. Restart Chrome.