American Recommended Practice for Volume Measurements of Electrical Speech and Program Waves ...
Institute of Radio Engineers, 1942 - Sound-waves - 8 pages
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1—This scale emphasizes Ability to Withstand acteristic actual addition adjusted AMERICAN RECOMMENDED PRACTICE AMERICAN STANDARDS ASSOCIATION amplitude apply attenuator set Bell Telephone Laboratories brated broadcast cali calibrated cator cent Chairman Char characteristics circuit COMMITTEE Communications Company complex waves connected Correction corresponding to reference cycles per second deci decibels defined DEFINITIONS described develop device Dynamic electrical speech encounter express give reference deflection Graduation greatly Harmonic Harold impedance indi indicating instrument Institute of Radio instru Instrument Scale manner ment Method of Reading milliwatt normally numerical obtained ohms overload point of reference pointer PRACTICE FOR VOLUME program waves Radio Engineers reach rectifier reference level Reference Volume resistance Response to Complex scale point Scale The point Secretary SECTIONAL shown simple single-frequency sinusoidal voltage specifically speech and program standard volume Street New York strength of electrical System transmitted types utility volume in terms volume indicator VOLUME MEASURE West Westman