摘要：首先根据切比雪夫多项式求根法对LPC系数到LSF系数转换过程进行分析与推导,并给出了根据已知的LSF系数进行逆推求LPC系数迭代算法。然后,借助DDS算法原理实现查找表搜索求根,并在FPGA上实现了LSF系数到LPC系数转换。最后,给出了结论和分析。
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