- If a signal is undersampled, it will be interpreted differently
than what was intended. It will be interpreted as its alias.
Figure 3:
Undersampling a 3 Hz sinusoid causes it's
frequency to be interpreted as 1 Hz.
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``Music 270a: Fundamentals of Digital Audio, Discrete-Time Signals''
by Tamara Smyth,
Department of Music, University of California, San Diego (UCSD).
Download PDF version (digitalAudio.pdf)
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Copyright © 2019-09-30 by Tamara Smyth.
Please email errata, comments, and suggestions to Tamara Smyth<trsmyth@ucsd.edu>
What is the Alias?
Music 270a: Fundamentals of Digital Audio and Discrete-Time Signals
Aliasing