Problems of High Altitude Communication
J. Weichbrod · The Journal of the Acoustical Society of America · 1946
The use by the Army Air Forces of high altitude for strategic bombing made the long standing and complex problem of voice communications at these high altitudes a matter of considerable urgency. The problems of high altitude communication and solutions thereto dealing with the various components in the system, namely, the microphone, interphone amplifier, and headset receivers are discussed in a general way.