Human language engineering is an important technology for the
next century. Computer-based speech processing technologies
are making science fiction images in famous movies such 2001: A Space
Odyssey and Star Trek a reality.
Today we will learn about the concept of frequency, and how it
is a fundamental part of speech production and perception.

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Technology such as this combines elements of physics, mathematics,
engineering, and computer science. All of these share a common
foundation in mathematics.