A method performed by a first electronic device, the method includes, while engaged in a call with a second electronic device, initiating a joint media playback session in which the first and second electronic devices independently stream media content for synchronous playback; driving a speaker with a mix of a downlink signal of the call and an audio signal of the media content at an overall volume level; receiving a user-adjustment at a single volume control for the first electronic device to reduce the overall volume level; in response to the user adjustment, applying a first gain adjustment to the downlink signal and a second gain adjustment to the audio signal; and driving the speaker with a mix of the downlink signal and the audio signal at the reduced volume level.

A method for protecting communications from sound leakages, and a corresponding system can be configured to offer a possibility to detect sound leakages and to alert participants in an online conference that information shared in the conference may be overheard by individuals not participating in the conversation but being in the environment of one participant. Thus, the privacy of end-users from sound leakages can be protected by taking advantage of multiple devices in the same physical space.