Hovind, in multiple instances, expressed belief that
sound is a wavelength of light.
He's not exactly a genuine authority on anything scientific.
As for the topic of radiometric dating, try including some information about
Uranium-Lead dating. C14 can date things up to about 60,000 years old, while Uranium-Lead has an upper range of millions/billions of years. It also has a built-in double-check to improve its accuracy, and is less prone to contamination/variance issues than C14 dating is.