Sound Retrieval Using 24 GHz FMCW Radar

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

doi:10.1109/RWS45077.2020.9050012

Sound Retrieval Using 24 GHz FMCW Radar

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

Department of Telecommunications and Systems Engineering

Research output: Other contribution

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.

Original language	English
Type	Conference Proceedings
Media of output	Text
DOIs	https://doi.org/10.1109/RWS45077.2020.9050012
Publication status	Published - 2020

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10.1109/RWS45077.2020.9050012

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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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AU - Verdu, J.

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AB - 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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