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本文提出一种用语言样本的半波决定其基频(言调频率)的算法,用一计数器代替乘法以计算自相量函数,因此处理简化加速。同时讨论了应该处理正信号还是负信号等问题,实验结果表明此算法是有用的。
This paper proposes an algorithm to determine the fundamental frequency (tone frequency) of a half-wave of a speech sample, using a counter instead of a multiplication to calculate the autophasic function, thus simplifying the acceleration. At the same time, it discusses whether positive or negative signals should be dealt with. The experimental results show that this algorithm is useful.