Lecture

The short-time Fourier transform

Description

This lecture explains the concept of the short-time Fourier transform (STFT) using the example of dual-tone multi frequency dialing (DTMF) in analog telephones. It demonstrates how STFT allows for a time-frequency analysis of signals by breaking them into smaller segments and computing their Fourier transforms, enabling the identification of specific frequencies at different time intervals.

In MOOCs (4)

Instructors (3)

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Official source

https://mediaspace.epfl.ch/media/0_fdho6v2x

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Ontological neighbourhood

Information engineering

Signal processing: Fourier analysis

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