Steps to switch the primary audio input

Is there a way to change the default microphone of a client based on user selection? I can obtain the list of devices using the enumerateDevices promise, but how can 'Audio 40 USB' be set as the default microphone in this scenario?

 navigator.mediaDevices.enumerateDevices().then(devices => {
        for (let i = 0; i < devices.length; i++) {
            if (devices[i].kind === "audioinput" && devices[i].label.includes('Audio 40 USB')) {

               //devices[i].deviceId ='default'; // make this devaice into default microphone
               // break;
            }
        }
    });

I believe I may have found the solution for setting the default:

audio: {deviceId: audioSource ? {exact: audioSource} : undefined}

Answer №1

There is no concrete "default" setting for audio devices when using the broad { audio: true } MediaConstraint in web browsers. Instead, users are typically prompted to select their preferred audio input device from a list if multiple options are available. Subsequent requests may remember this choice and not prompt the user again.

Alternatively, you can specify a specific audio device to use by utilizing the

{ audio: { deviceId: device.deviceId } }
configuration. In this case, the variable device represents a MediaDeviceInfo object obtained through the mediaDevices.enumerateDevices method.

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