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- W2073089945 abstract "Broadband sonar discrimination capabilities of human listeners as a function of signal-to-noise ratio were compared with the constant-Q filter bank model of Chestnut, Landsman, and Floyd [J. Acoust. Soc. Am. 66, 140–147 (1979)]. A 48-s pulse (122-kHz peak frequency, 39-kHz 3-dB bandwidth) was used to collect echoes from aluminum, glass, and bronze cylinders. Discrimination experiments were performed in pairs, aluminum-glass, hollow-solid aluminum, and aluminum-bronze. A modified method of constants with the noise levels randomized in ten-trial blocks and the signals time-expanded into audio frequencies were used in the human experiments. Thirty contiguous filters covering a frequency band of 50 to 200 kHz were used in the constant-Q model. The human listeners performed significantly better than the computer model, requiring at least 5 dB less signal-to-noise ratio at the 75% correct threshold. Listeners reported that dominant cues occurred in the time domain." @default.
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- W2073089945 date "1983-11-01" @default.
- W2073089945 modified "2023-09-25" @default.
- W2073089945 title "A comparison of broadband sonar discrimination between human listeners and a filter bank model" @default.
- W2073089945 doi "https://doi.org/10.1121/1.2021149" @default.
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