Techniques for routing communication to a common audio output device connected multiple audio signal source devices are disclosed. For each of audio signal source devices, a set of inputs are assessed. The set of inputs can include: an operational state of the audio signal source device, an interaction with the audio signal source device, an audio-producing application being executed by the audio signal source device, or a degree of user interaction with the audio-producing application. At a point in time, an audio routing score is generated for each of the audio signal source devices according to a weighted calculation of the set of inputs based on the assessing. Finally, an audio signal routing decision is made, to route an audio signal from one of the audio signal source devices to the audio output device, based on the audio routing score for each of the audio signal source devices.