A vocal signal sequence is treated as that is formed by piling up pitch periods after varying integer delay time.
语音信号序列可以看成是基音周期经整数倍延时后叠加而成。
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The direction of the pitch shifting sequence is determined by the relative delay between the two digital inputs.
改变序列的程度方向被在二数传输入之间的比较延迟决定。
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