THE RELATIVE LOUDNESS OF PURE AND COMPLEX TONES Open PDF Document Details Document Type Technical Report Publication Date Sep 25, 1957 Accession Number AD0143535 Entities People Lawrence R. Zeitlin Organizations United States Army Medical Research Laboratory Tags Communities of Interest Biomedical DTIC Thesaurus Topics Analyzers Audio Frequency Cathode Ray Tubes Frequency Frequency Analyzers Government Procurement Harmonic Analysis Intensity Measurement Psychology Repetition Rate Sine Waves Sound Pressure Square Waves Standards Waveforms Waves