# Lecture 33 Blog, ECE438 Fall 2014, Prof. Boutin

Wednesday November 12, 2014 (Week 12) - See Course Outline.

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Today we talked about phoneme, including the distinction between voiced and unvoiced phonemes. Our focus will be on voiced phoneme. We obtained a mathematical representation for the sound signal x(t) coming out of the vocal cords, after the phase of speech production we call "excitation". We looked at the Fourier transform of x(t).

## Action Items

- Keep working on HW 9. It is due Monday.

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