Off-the-shelf microphones and earbud components connected to a smartphone can be as effective as an expensive clinical-grade device at measuring otoacoustic emissions to screen for hearing loss.
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Goodman, S.S. Affordable hearing screening. Nat. Biomed. Eng 6, 1199–1200 (2022). https://doi.org/10.1038/s41551-022-00959-2
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DOI: https://doi.org/10.1038/s41551-022-00959-2
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