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A new acoustical measurement technique has been developed that provides a solution for the conflicting requirements of anechoic spectral measurements in the presence of a reverberant environment. This technique, called time delay spectrometry, recognizes that a system-forcing function linearly relating frequency with time provides spatial discrimination of signals of variable path length when perceived by a frequency-tracking spectrum analyzer.
Author (s): Heyser, Richard C.
Affiliation:
California Institute of Technology, Jet Propulsion Laboratory, Pasadena, CA
(See document for exact affiliation information.)
Publication Date:
1967-10-06
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Heyser, Richard C.; 1967; Acoustical Measurements by Time Delay Spectrometry [PDF]; California Institute of Technology, Jet Propulsion Laboratory, Pasadena, CA; Paper ; Available from: https://aes2.org/publications/elibrary-page/?id=1084
Heyser, Richard C.; Acoustical Measurements by Time Delay Spectrometry [PDF]; California Institute of Technology, Jet Propulsion Laboratory, Pasadena, CA; Paper ; 1967 Available: https://aes2.org/publications/elibrary-page/?id=1084