The Sun as a light source – Did you know?

The video explains that sound cannot travel through the vacuum of space, but the Sun produces vibrations that cause its surface to wiggle. These vibrations are normally too low-pitched for human ears, but when sped up, they can be heard, providing a unique way to 'listen' to the Sun.

How are the vibrations from the Sun described in terms of pitch?

What happens to the vibrations produced by the Sun if they are sped up thousands of times?