A helix equation of time-varying pitch is established, revolving elliptic cylinder as equal angular velocity and rising as variable velocity at the same time.
建立了绕椭圆柱面以等角速度旋转，又以变速度上升的非定常螺距的螺旋线方程。
Then the speech signal is pitch adjusted according to this pitch contour, where the original signal with time varying pitch period is converted to a signal of constant pitch period.
然后根据这一轨迹对语音信号进行“基音调整”，将原始的、具有时变基音周期的信号转化为一个具有恒定基音周期的信号。
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。
Expressing speed of speech is influenced by a voiced sound in a vocal signal sequence. A vocal signal sequence is treated as that is formed by piling up pitch periods after varying integer delay time.
在语音信号序列中影响语音表达速度的是浊音，它是基音，是由多次谐波构成的准周期信号。
Expressing speed of speech is influenced by a voiced sound in a vocal signal sequence. A vocal signal sequence is treated as that is formed by piling up pitch periods after varying integer delay time.
在语音信号序列中影响语音表达速度的是浊音，它是基音，是由多次谐波构成的准周期信号。
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