A Computer Interface for Efficient Zero-Crossing Interval Measurement. - Russell J. Niederjohn; Philip P. Stick (IEEE Trans. Computers, 1975)

A comparative study of the use of zero-crossing analysis methods for vowel recognition. - Patrick F. Castelaz; Russell J. Niederjohn (ICASSP, 1976)

A comparison of linear prediction, FFT, and zero-crossing analysis techniques for vowel recognition. - Patrick F. Castelaz; Russell J. Niederjohn (ICASSP, 1978)

An investigation of several frequency-domain processing methods for enhancing the intelligibility of speech in wideband random noise. - Robert A. Curtis; Russell J. Niederjohn (ICASSP, 1978)

A zero-crossing consistency method for formant tracking of voiced speech in high noise levels. - Russell J. Niederjohn; Meir Lahat (IEEE Trans. Acoust. Speech Signal Process., 1985)

A spectral autocorrelation method for measurement of the fundamental frequency of noise-corrupted speech. - M. Lahat; Russell J. Niederjohn; David A. Krubsack (IEEE Trans. Acoust. Speech Signal Process., 1987)

An experimental investigation of the perceptual effects of altering the zero-crossings of a speech signal. - Russell J. Niederjohn; Michal W. Krutz; Bruce M. Brown (IEEE Trans. Acoust. Speech Signal Process., 1987)

Spectral resolution and noise robustness in auditory modeling. - Thippur V. Sreenivas; Karamjeet Singh; Russell J. Niederjohn (ICASSP, 1990)

An autocorrelation pitch detector and voicing decision with confidence measures developed for noise-corrupted speech. - David A. Krubsack; Russell J. Niederjohn (IEEE Trans. Signal Process., 1991)

Zero-crossing based spectral analysis and SVD spectral analysis for formant frequency estimation in noise. - Thippur V. Sreenivas; Russell J. Niederjohn (IEEE Trans. Signal Process., 1992)

Formulas for the impulse response of a digital filter with an arbitrary piecewise-linear frequency response. - Mike V. Chan; James A. Heinen; Russell J. Niederjohn (IEEE Trans. Signal Process., 1995)

Comments on "Inversion of the VanderMonde matrix". - James A. Heinen; Russell J. Niederjohn (IEEE Signal Process. Lett., 1997)