Abstract
This paper investigates the use of radar techniques for recovering low frequency audio signals by measuring the vibration induced in objects exposed to sound pressure waves. A sound wave emitted by a speaker is recovered by measuring the small-scale displacement vibrations transmitted into a reflective surface that is being analyzed by a commercial FMCW radar at 24 GHz, bandwidth of 300 MHz and sweep time of 300 μs. Experimental validations are provided to show the effectiveness of the proposed method.
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CITATION STYLE
Guerrero, E., Brugues, J., Verdu, J., & De Paco, P. (2020). Sound Retrieval Using 24 GHz FMCW Radar. In IEEE Radio and Wireless Symposium, RWS (Vol. 2020-January, pp. 191–193). IEEE Computer Society. https://doi.org/10.1109/RWS45077.2020.9050012
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