Transmission of Sound Through Voice Tubes (Classic Reprint)

Excerpt from Transmission of Sound Through Voice Tubes

The present paper describes work done at the sound laboratory of the Bureau of Standards on the transmission of sound through voice tubes for the Bureau of Construction and Repair of the Navy Department. The work was initiated by Capt. Elliott Snow, who carried on the negotiations with the Bureau of Standards which led to an extended program of experimental research.

Two factors enter into satisfactory voice-tube transmission intensity and articulation. Both must be adequate in order to secure satisfactory communication. These factors are measured separately by radically different methods. Intensity is measured directly and articulation statistically.

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