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Sonar Headphone Selection for Optima Target Information
[report]
1987
unpublished
Preserved Fulltext
Several closed headsets were evaluated for use by sonar operators. Their frequency response and degree of variability were measured and compared to other headsets which were open to outside noise. The advantages and disadvantages of open and closed headsets are discussed and recommendations made. 4 a iii DD J JAN 73 1473 EDITION OF 1 NOV 65 IS OBSOLETE Unclassified S/N 0102-014-6601 SECURITY CLASSIFICATION OF THIS PAGE (When Data Rnteted)
doi:10.21236/ada446333
fatcat:thc3mcdruvd7tmyclmai7ygzeu