Patent ID: 9252721
Filing Date: 2016-02-02
CPC Classification: G06F,H03F,H03G,H04L,H04R

Claim Text:
1. A playback device comprising: one or more processors; an amplifier; a network interface; and tangible, non-transitory, computer-readable memory comprising instructions that, when executed by the one or more processors, cause the playback device to: operate in a first power mode in which the amplifier consumes a first amount of power; while operating in the first power mode, receive one or more packets addressed to the playback device, and determine that a defined time has passed since receiving a specified type of data packet; and after determining that the defined time has passed since receiving the specified type of data packet, transition from operating in the first power mode to operate in a second power mode in which the amplifier consumes a second amount of power, wherein the first amount of power is greater than the second amount of power.