The inability to deal with sounds, such as ah, er, ooh, uh or extraneousnoise, causes more errors than other factors.
不能处理诸如阿噢、呜等发音或额外的噪声，(这些声音或噪声)会比其它因素引起更多的错误。
2
Although these methods can control and reduce the noise in most measurements, some techniques just prevent noise from entering the system, whereas others remove only extraneousnoise from the signal.