Samsung patents wireless system for 7-channel home audio

1. An audio system comprising: a main audio device comprising: a first transmission circuit configured to transmit a first wireless audio signal comprising first audio data corresponding to a plurality of first channels, and a second transmission circuit configured to transmit a second wireless audio signal comprising second audio data corresponding to a plurality of second channels different from the plurality of first channels; a first auxiliary audio device comprising a first reception circuit configured to: receive the first wireless audio signal from the first transmission circuit and extract third audio data corresponding to three channels among the plurality of first channels from the first wireless audio signal; a second auxiliary audio device comprising a second reception circuit configured to: receive the first wireless audio signal from the first transmission circuit and extract fourth audio data corresponding to one channel among the plurality of first channels, different from the three channels among the plurality of first channels, from the first wireless audio signal; and a third auxiliary audio device comprising a third reception circuit configured to: receive the second wireless audio signal from the second transmission circuit and extract fifth audio data corresponding to three channels among the plurality of second channels from the second wireless audio signal, wherein the plurality of first channels comprises four channels and the plurality of second channels comprises three channels, and wherein the first auxiliary audio device is configured to extract three channels from the four channels, the second auxiliary audio device is configured to extract one channel from the four channels, and the third auxiliary audio device is configured to extracts all three channels among the plurality of second channels.