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HUM063

声纹识别两次大作业以及思考题

思考题不保熟 但97满绩

思考题1

1、基频是否就是声带振动的频率?为什么?

不是,基频是语音谱中两条谱线之间的距离,是声带振动的周期,而不是频率,周期与频率成反比。

思考题2

1、我们是通过什么信息判断耳语语音的声调的?

我们还可以通过响度来判断声音,耳语时,语音的响度变化还是存在的,可以通过响度的判断,来进行区分。

此外,尽管没有基频,用共振峰、说话时间的长短也可以辅助我们区分判断音节。

思考题3

1、请再列举出一些听觉特征。

连音,不同人对字词的连音有不同的处理

发声部位,有人发声部位靠前 有人靠后,根据语言不同也会有差异,但同一语言发声部位应该大致相同

方言的混杂,习惯说方言的人,在普通话中难免会杂夹一些自我的方言,这也是一个分辨的好方法

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