Chest accelerometer shows excellent agreement with microphone on fundamental frequency (ICC > 0.94) and good jitter agreement in infant cries, but lower agreement and bias for shimmer and HNR.
Exploring agreement in voice acoustic parameters: A repeated measures case study across varied recording instruments, speech samples, and daily timeframes,
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Cross-modal characterization of infant cry: validation of a chest-surface accelerometer in extracting acoustic vocal function measures
Chest accelerometer shows excellent agreement with microphone on fundamental frequency (ICC > 0.94) and good jitter agreement in infant cries, but lower agreement and bias for shimmer and HNR.