You are here:Home Courses Archived courses Speech Processing (up to 2019-20) Module 1 – introduction Videos

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Total video to watch in this module: 59 minutes

This course assumes no particular prior knowledge, but my experience is that students do much better when they come from particular backgrounds.
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Now we look at the speech chain to understand the scope of this course and to set the context for the two main applications that we will consider: text-to-speech synthesis, and automatic speech recognition.
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A pressure wave that travels through a medium such as air.
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It is often more useful to investigate sound in the frequency domain, rather than the time domain.
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We'll start on the journey towards understanding speech production with this basic concept.
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A tube full of air can resonate, as sound waves propagate along it.
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We can do this visually, with simple diagrams.
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A resonating system selectively amplifies certain frequencies: this is called filtering.
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Using visual reasoning, we can calculate a resonant frequency of this simple tube.
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Even a simple tube has many resonant frequencies.
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