Patent ID: 9176519
Filing Date: 2015-11-03
Classification: G05B,G06F,G11B,H03G,H04H,H04J,H04L,H04N,H04R,H04W,H05K

Abstract:
1. A method performed by a first zone player, the method comprising: receiving first control information from a controller over a local area network (LAN); in response to receiving the first control information, transmitting a notification to a second zone player over the LAN, wherein the notification indicates (i) that the first zone player is joining a synchrony group with the second zone player and (ii) a first network address of the first zone player to which the second zone player will transmit clock information of the second zone player; receiving second control information from the second zone player over the LAN, wherein the second control information comprises a second network address to which the second zone player will transmit audio information; in response to receiving the second control information from the second zone player, the first zone player configuring itself to (i) receive the clock information via the first network address and (ii) receive the audio information via the second network address; and playing, by the first zone player, the audio in synchrony with the second zone player using (i) the clock information received via the first network address and (ii) the audio information received via the second network address, wherein the first and second zone players remain independently clocked while playing back the audio information in synchrony with each other.