This site is composed of four parts in the following order:Nature of sound, Phenomena of sound, Nature of voice, and Epilogue.

In Narure of sound we will laern mechanism of sound transmission and sound waves referring to some video clips.What you learn in this section will help you understand Phenomena of sound and Nature of voice, too.
InPhenomena of sound, you will learn about some interesting Phenomena rtelated to sound. You may know about them, but you do not always know how and why them happen.
In Nature of voice, you will learn the mechanism of voice. This is an advanced level of learning and you will come across some difficult terms such as "falsetto", but we will explain by using charts to help your learning.
The final section Summary is to review and help you check if you understand our explains and offer you some quizzes. This section also has some tour reports.


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