Abstract
This paper presents a design scheme of 5.1-channel wireless audio system which takes the advantages of Zigbee and PurePath Wireless technologies. It overcomes several disadvantages of traditional wired audio system such as inconvenience of speaker placement, complexity of wiring, low efficiency, etc. This system adopts a star topology structure with a host and six slave machines. System management is based on Zigbee network, and digital audio is transmitted via PurePath Wireless audio link. The CC8530 audio transceiver chips and IEEE 802.15.4 RF chips were adopted as the hardware platform and the Zigbee protocol stack was adopted as the core software. The results show that this method makes the wireless audio system low-cost, low-power and low-complexity. In addition, audio quality and system efficiency are both greatly enhanced.
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