An Inexpensive Approach for Teaching Adaptive Filters Using Real-Time DSP on a New Hardware Platform

Morrow, Michael G.; Wright, H G P E Cameron; Welch, Thad B.

doi:10.18260/1-2--19186

2013 ASEE Annual Conference &Amp; Exposition Proceedings

DOI: 10.18260/1-2--19186

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An Inexpensive Approach for Teaching Adaptive Filters Using Real-Time DSP on a New Hardware Platform

Michael G. Morrow¹,

H G P E Cameron Wright²,

Thad B. Welch³

Abstract: From 2011 to 2012 he was appointed as the inaugural Signal Processing Education Network (SPEN) Fellow. His research interests include real-time digital signal processing (DSP), the implementation of DSP-based systems, communication systems analysis, efficient simulation of communication systems, spread-spectrum techniques, and ultra-wideband systems.

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Real-time Digital Signal Processing Demonstration Platform

Hoffbeck¹

2015 ASEE Annual Conference and Exposition Proceedings

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In order to demonstrate various digital signal processing (DSP) algorithms to students or potential students, a program was developed that runs in real-time on low cost, commercially available hardware. The program includes several common DSP algorithms such as lowpass filter, highpass filter, echo, reverb, quantization, aliasing, simple speech recognition, and fast Fourier transform (FFT). The program allows the user to easily switch between algorithms, to adjust the parameters of the algorithms, and to immediately hear the results. The demonstration hardware consists of the TMS320C5515 eZdsp USB Stick, a powered microphone, an audio source such as an MP3 player or cellphone, and speakers. Undergraduate electrical engineering students were shown the demonstration and were surveyed to determine which algorithms they found most interesting. The C language source code for the software is available from the author for free, so this program can be modified by instructors who wish to make their own demonstrations or used as a convenient starting point for student projects.

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Real-time Digital Signal Processing Demonstration Platform

Hoffbeck¹

2015 ASEE Annual Conference and Exposition Proceedings

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An Inexpensive Approach for Teaching Adaptive Filters Using Real-Time DSP on a New Hardware Platform

Cited by 1 publication

References 20 publications

Real-time Digital Signal Processing Demonstration Platform

Real-time Digital Signal Processing Demonstration Platform

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