Sound Retrieval Using 24 GHz FMCW Radar

E. Guerrero, J. Brugues, J. Verdu, Pedro de Paco

Research output: Other contribution

1 Citation (Scopus)


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.
Original languageEnglish
TypeConference Proceedings
Media of outputText
Publication statusPublished - 2020


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