The Nation's Schools, Količina 37Michael Vincent O'Shea McGraw Hill, 1946 |
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Stran 54
... sound- on - film projector that gives you : The ultimate of sound , whether it be crisp , clear , intelli- gible conversation , or the full majesty of symphonic music ... clear definition of image ... uniformity of illumination over the ...
... sound- on - film projector that gives you : The ultimate of sound , whether it be crisp , clear , intelli- gible conversation , or the full majesty of symphonic music ... clear definition of image ... uniformity of illumination over the ...
Stran 79
... sound films SOUND FILMS in the classroom are an effective aid to the teacher . They famil- iarize the student with the appearance and the sound of persons and places and illustrate how things work . With an RCA 16mm . Sound Film ...
... sound films SOUND FILMS in the classroom are an effective aid to the teacher . They famil- iarize the student with the appearance and the sound of persons and places and illustrate how things work . With an RCA 16mm . Sound Film ...
Stran 53
... sound equipment cannot overcome the handicap of an audi- torium in which excessive reverberation in- terferes with proper sound reproduction . To answer fully the increasing number of inquiries received concerning directional baffles ...
... sound equipment cannot overcome the handicap of an audi- torium in which excessive reverberation in- terferes with proper sound reproduction . To answer fully the increasing number of inquiries received concerning directional baffles ...
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