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, 2 (4), 305-10

Calculation of the Relative Speed of Sound in a Gas Mixture

  • PMID: 1226588

Calculation of the Relative Speed of Sound in a Gas Mixture

M J Ackerman et al. Undersea Biomed Res.

Abstract

Since the frequency spectrum of a voice signal is directly dependent on the velocity of sound, studies of speech spectra include the problem of calculating the speed of sound in the gas mixture being used. A computer program written in BASIC has been developed to calculate the speed of sound relative to air in various diving gas mixtures. In addition, a set of tables available as a separate technical report has been generated using this program. These tables are designed to provide a standard reference for reporting spectral shifts in speech due to different gas mixtures under normal diving conditions.

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