• Int J Clin Monit Comput · Jan 1985

    Audible alarm signals for anaesthesia monitoring equipment.

    • L M Stanford, J W McIntyre, and J T Hogan.
    • Int J Clin Monit Comput. 1985 Jan 1; 1 (4): 251-6.

    AbstractTo address the problem of auditory alarms on anaesthesia monitoring and delivery devices whose signal is masked by the noises of other operating room equipment, a set of signals having the characteristics of spectral richness, frequency modulation, and temporal patterning were electronically generated, and were tested for detectability against operating room equipment noises in a laboratory setting. A set of signals was identified which can, under these circumstances, be detected with at least 93% accuracy at -24 dB signal-to-noise ratio.

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