The effect of infrasonic and very low fr
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N.S. Yeowart; P.E. Connor
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Article
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1974
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Elsevier Science
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English
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An experiment was performed in which a noise containing frequencies from 10 Hz to 47 Hz was used to mask speech. The behaviour of speech intelligibility with speech presentation level and masking noise level was examined briefly. The infrasonic and low frequency masking noise did reduce the intelli