| 摘要 |
A method of transmitting audio signals is disclosed. The method includes, receiving a multi-channel analog audio signal, converting the analog audio signal to a digital audio signal with a first sample bit length and a first sample rate, providing a header for each discrete sample of the digital audio signal to produce a sample packet with a second sample bit length, frequency shift key (FSK) encoding the sample packets on first and second audio transmission frequencies, and transmitting the sample packets.
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