Patent ID: 9686606
Date: 2017-06-20
CPC Classifications: G06F,G11B,H02B,H03G,H04R

Claim:
1. A playback device comprising: a first interface configured to receive a first audio signal from a first audio source, wherein the playback device and the first audio source are within a given media playback system; a second interface configured to receive a second audio signal from a second audio source, wherein the second audio source is outside of the given media playback system; a processor; and a tangible, non-transitory computer readable storage medium having stored therein instructions executable by the processor, wherein the instructions, when executed by the processor, cause the playback device to perform functions comprising: causing the playback device to playback the second audio signal; while playing back the second audio signal, determining that the first audio signal is present at the first interface; in response to determining that the first audio signal is present at the first interface, (i) ceasing playback of the second audio signal being played by the playback device and (ii) causing the playback device to playback the first audio signal; receiving an instruction to stop the playback device from playing the first audio signal while the first audio signal is still present at the first interface; determining that the first audio signal is no longer present at the first interface; and in response to determining that the first audio signal is no longer present at the first interface, arming the playback device such that a subsequent presence of the first audio signal at the first interface causes the playback device to play the first audio signal.