16-mm sound motion pictures : a manual for the professional and the amateur (1953)

Record Details:

Title:
16-mm sound motion pictures : a manual for the professional and the amateur
Date:
1953
Publisher:
New York : Interscience Publishers
Volume:
16-mm sound motion pictures : a manual for the professional and the amateur
Leaf #:
000247
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Niles Essanay Silent Film Museum
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
April 11, 2024
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CARDIOID MICROPHONES 231 OPEN CIRCUIT FREQUENCY RESPONSE TYPE 77-0 MICROPHONE I/) M CO O Vl > /^ ^ ° IU / / .^VV2 / / ' UNIDIRECTIONAL POSITION llllllll I 50 100 FREQUENCY IN CYCLES PER SECOND 10,000 15,000 Uni-Directionat Position OPE N CIRCUIT FREQUENCY RESPONSE TYPE 77-D MICROPHONE M "V. / <; 7 / -y / / / / / BIDIRECTIONAL POSITION 1 IMIII! Bi-Direclional Position 50 100 1,000 10,000 15,000 FREQUENCY IN CYCLES PER SECOND OPE N CIRCU T FREQUENCY RESPONSE TYPE 77-D MICROPHONE ^ M v. V 1/ -<v2 z1 NONDIRECTIONAL POSITION lllllll 1 50 100 1,000 10,000 15,000 FREQUENCY IN CYCLES PER SECOND Non-Directional Position Fig. 48 A. Directional response Fig. 48B. Response-frequency characteristics characteristics of RCA 77 D of RCA 77 D microphone, microphone.