What people are saying - Write a review
We haven't found any reviews in the usual places.
EDUCATIONAL POSSIBILITIES OF MODERN INVENTIONS Pg
MINIMUM UNITS FOR A SPEECH LABORATORY Pg
MINIMUM UNITS FOR A SPEECH CLINIC Pg
1 other sections not shown
2Ibid Acoustics Allport alternating current amplifier amplitude Angeles apparatus auditorium auditory Baffle Board Bell Telephone Laboratories Cantril and Gordon classroom Company Condenser continuous recording cutting head cycles per second cyoles db gain decibels device disc Distortion Dynamic Speaker educational eduoational effect efficiency Electro-Vox Recording Studio eliminates Elwood Murray ERPI F. L. Devereaux fidelity field of sound frequency response frequenoy range gain A power groove Hadley Cantril high frequencies high-fidelity Hollywood increase input instrument listening loud loudspeaker magnetic manufacturers material microphone needle noise Ohio State University olass oscil Phonographic Pickups power ratio present produced programs projector pronunciation Psychology of Radio public address system quencies R. C. A. Victor Corporation Reactance recording and reproducing reproducing units requirements Research Products sound equipment sound film sound reinforcement sound waves standard student Talking Picture teacher tone types University University of Denver visual voice voltage wave form whioh York