What people are saying - Write a review
We haven't found any reviews in the usual places.
James R Cameron
The Projectionists New Role By F A Jewell
Speech Interpretation in Auditoriums By E C Wente
28 other sections not shown
Other editions - View all
absorption acoustical amplifier anode apparatus attenuation audience auditorium broadcasting camera cathode circuit coil color Company condenser curve cycles decibels designed device diaphragm disc effect electrical energy engineers fader filament film filter frequency grid groove impedance inches industry input installation lamp lens light loudspeaker machine magnetic manufacturers mechanical ment metal meter method microphone mixer motion picture motor mounted necessary needle noise obtained ohms operation output panel phonograph photoelectric cell pickup plate possible problem production projection projectionist projector quency radio ratio RCA Photophone rectifier reproducing resistance reverberation screen shaft shown in Fig sound film sound pictures sound record sound reproduction sound track sound-on-film speaker speed stage standard studio synchronized talkies talking pictures television theatre tion tone transformer transmission transmitter ture turntable unit vacuum tube vibrations voltage volts volume control wave Western Electric wire