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A Voice Communication Testing Protocol: Application to Oxygen Mask Sierra and Kohler Combination Valves

机译:语音通信测试协议:应用于氧气面罩sierra和Kohler组合阀

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摘要

An investigation was made of relative voice communication efficiency of oxygen masks equipped with different respiration valves. A practical test protocol was established for quantifying oxygen mask voice communication performance. Oxygen mask voice communication with the standard Sierra Valve and with the proposed Kohler Valve were evaluated using the test protocol. A direct comparison of the findings revealed essentially no difference in voice communication efficiency, as determined by mean work intelligibility, between the two valves. (Author)

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