How do you make the pitch higher?

To make the pitch of a sound higher, you need to increase the frequency of the sound wave. Frequency is measured in Hertz (Hz) and represents the number of cycles per second. The higher the frequency, the higher the pitch.

There are a few ways to increase the frequency of a sound wave:

- Increase the tension of the vocal cords. When you tighten your vocal cords, they vibrate faster, producing a higher frequency sound.

- Reduce the mass of the vocal cords. Thinner vocal cords vibrate faster than thicker ones, producing a higher frequency sound.

- Shorten the vocal tract. The length of the vocal tract affects the resonant frequency of the vocal cords. A shorter vocal tract produces a higher resonant frequency, making the sound higher pitched.

- Shape the vocal resonators. The shape of the vocal tract, including the mouth and sinuses, can influence the frequency of the sound produced. By changing the shape of the vocal resonators, the pitch of the sound can be shifted up or down.