speech frequency range的例句大全

Any Bell Labs engineer would be familiar with the idea of reducing the frequency range of speech, since the telephone cut off sound above 4000 Hz.

贝尔实验室的任何一个工程师，对降低声音的频率范围都很熟悉，因为电话会削去4000Hz以上的声音。

And from time and frequency range, we analysis musical note signal processing method systematically. And use some algorithms of speech signal processing in the musical note detection, then we make some advance according to the characteristics of the piano tuning.

并从时域和频域两方面系统分析了乐音信号处理的方法，将语音识别技术中的一些算法应用于乐音识别，再结合钢琴调音的特点进行了改进。

in this case, the limited frequency range leads to restricted speech quality compared to wideband speech.

在这种情况下，窄带语音质量与相应的宽带语音质量相比有很大差距。