SYSTEM AND METHOD FOR SYNCHRONIZING OPERATIONS AMONG A PLURALITY OF INDEPENDENTLY CLOCKED DIGITAL DATA PROCESSING DEVICES
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Accused Products
Abstract
In a network comprising a plurality of zone players, including at least a first zone player and a second zone player, a method comprising: receiving, by the first zone player, first control information from a user interface module; based on the received first control information, transmitting, by the first zone player, second control information to the second zone player, wherein the second control information comprises (i) a network address of an audio information channelization device that provides audio information and playback timing information, and (ii) a multicast address that the audio information channelization device uses to broadcast audio information and playback timing information to the network; and playing, by the first zone player, the audio information in synchrony with the second zone player.
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Citations
40 Claims
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1-20. -20. (canceled)
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21. In a network comprising a plurality of zone players, including at least a first zone player and a second zone player, a method comprising:
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receiving, by the first zone player, first control information from a user interface module; based on the received first control information, transmitting, by the first zone player, second control information to the second zone player, wherein the second control information comprises (i) a network address of an audio information channelization device that provides audio information and playback timing information, and (ii) a multicast address that the audio information channelization device uses to broadcast audio information and playback timing information to the network; and playing, by the first zone player, the audio information in synchrony with the second zone player. - View Dependent Claims (22, 23, 24, 26, 27)
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28. A tangible computer-readable memory having instructions stored thereon that when executed cause a first zone player to:
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receive first control information from a user interface module; based on the received first control information, transmit second control information to a second zone player, wherein the second control information comprises (i) a network address of an audio information channelization device that provides audio information, and (ii) a multicast address that the audio information channelization device uses to broadcast audio information and playback timing information to a network; and play the audio information in synchrony with the second zone player. - View Dependent Claims (29, 30, 31, 32, 33)
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34. A zone player comprising:
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a network interface configured to connect the first zone player to a network; and a control module configured to; receive first control information from a user interface module interface and to, based on the received first control information, transmit to a second zone player via the network interface, second control information, wherein the second control information comprises (i) a network address of an audio information channelization device that provides audio information, and (ii) a multicast address that the audio information channelization device uses to broadcast audio information and playback timing information to the network; and cause the zone player to play the audio information in synchrony with the second zone player. - View Dependent Claims (35, 36, 37, 38, 39, 40)
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Specification