Receiver Fidelity Test of Understandability of Voice Reception and Necessary Frequency Band

Abstract

The Bureau of Engineering has recently requested the Naval Research Laboratory to investigate the fidelity of receivers as to the reproduction of speech. Specifically, the models of receivers compared were model RAB-1, Serial 30, Model NC-100xA, National 204J; Model HRO National; Super-Pro SP-110 Series; Hammarlund Manufacturing Company, Inc.

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Document Details

Document Type
Technical Report
Publication Date
Jul 26, 1939
Accession Number
AD1158454

Entities

People

  • J. F. Lee

Organizations

  • United States Naval Research Laboratory

Tags

DTIC Thesaurus Topics

  • Buildings And Structures
  • Engineering
  • Manufacturing
  • Manufacturing Engineering
  • Military Research
  • Reliability

Readers

  • Acoustics.
  • Library and Information Science
  • Marksmanship and Weaponry.