语音研究被称为理解自然语言的必需的基础。虽然语言已经有了其他充分的表现形式——用纸上的图形表示的书面语言,用面部和肢体动作表达的信号语言——但是如果没有语音作为起点,语言或许不会发展到如今这么丰富和复杂的状态。书面语言和信号语言原本就是从言语这个必不可少的根基上分支出去的。 Speech research is called the necessary foundation for understanding natural language. Although the language already has other forms of representation - written language on paper, the signal language expressed in facial and body movements - but without the use of speech as a starting point, the language may not develop as rich as it is today Complex state. Written languages ​​and signaling languages ​​originally branched from the essential foundation of speech.