According to the problem of the stereo audio transmission based on Bluetooth, the Bluetooth Advanced Audio Distribution Protocol (A2DP) and Bluetooth audio codec technology is introduced firstly, and the strategy for the Bluetooth point-to-multipoint audio transmission is designed. Meanwhile, the hardware for the audio sender and receiver based on the single-chip Bluetooth proposal are designed, and the data processing flow for the sender and receiver is discussed in detail. At last, the test of the radio frequency and audio quality for the system is presented. It is proved that the system resolves the problem of the Bluetooth stereo audio transmission, and implements the synchronization between the left and right channels.
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