在发送端时钟频率随时间变化的情况下，以较低的成本和较简单的电路实现，保证了接收端采样数据及音频数据恢复的准确性。
Because clocking frequency of sending terminal is changed with times at lower cost and simple circuit, accuracy of receiving end sampled data and audio - data recovery is assured.
在发送端时钟频率随时间变化的情况下，以较低的成本和较简单的电路实现，保证了接收端采样数据及音频数据恢复的准确性。
Because clocking frequency of sending terminal is changed with times at lower cost and simple circuit, accuracy of receiving end sampled data and audio - data recovery is assured.
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