The visible radio: Process visualization of a software-defined radio

Matthew Hall, Alex Betts, Donna Cox, David Pointer, Volodymyr Kindratenko

Research output: Chapter in Book/Report/Conference proceedingConference contribution


In this case study, a data-oriented approach is used to visualize a complex digital signal processing pipeline. The pipeline implements a Frequency Modulated (FM) Software-Defined Radio (SDR). SDR is an emerging technology where portions of the radio hardware, such as filtering and modulation, are replaced by software components. We discuss how an SDR implementation is instrumented to illustrate the processes involved in FM transmission and reception. By using audio-encoded images, we illustrate the processes involved in radio, such as how filters are used to reduce noise, the nature of a carrier wave, and how frequency modulation acts on a signal. The visualization approach used in this work is very effective in demonstrating advanced topics in digital signal processing and is a useful tool for experimenting with the software radio design.

Original languageEnglish (US)
Title of host publicationVIS 05
Subtitle of host publicationIEEE Visualization 2005, Proceedings
Number of pages1
StatePublished - 2005
EventVIS 05: IEEE Visualization 2005, Proceedings - Minneapolis, MN, United States
Duration: Oct 23 2005Oct 28 2005

Publication series

NameProceedings of the IEEE Visualization Conference


OtherVIS 05: IEEE Visualization 2005, Proceedings
Country/TerritoryUnited States
CityMinneapolis, MN


  • Radio
  • SDR
  • Visualization metaphor
  • Visualization of mathematics

ASJC Scopus subject areas

  • Computer Science(all)
  • Engineering(all)


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