A microphone of a primary client device is used to capture audio for a remote conference participant. During the conference, audio is sampled from the microphone of the primary client device and from microphones of one or more secondary client devices at the same location as the primary client device. Based on a score calculated for the audio sampled from the secondary client device being higher than a score calculated for audio sampled from the primary client device, the microphone of the secondary client device is selected for audio capture for the remote conference participant. The audio is output through conferencing software to which the primary client device is connected via a user interface tile for the conference without displaying a new user interface tile.