A zero-crossing consistency method for formant tracking of voiced speech in high noise levelsNIEDERJOHN, R. J; LAHAT, M.IEEE transactions on acoustics, speech, and signal processing. 1985, Vol 33, Num 2, pp 349-355, issn 0096-3518Article

An autocorrelation pitch detector and voicing decision with confidence measures developed for noise-corrupted speechKRUBSACK, D. A; NIEDERJOHN, R. J.IEEE Transactions on signal processing. 1991, Vol 39, Num 2, pp 319-329, 11 p.Article

A spectral autocorrelation method for measurement of the fundamental frequency of noise-corrupted speechLAHAT, M; NIEDERJOHN, R. J; KRUBSACK, D. A et al.IEEE transactions on acoustics, speech, and signal processing. 1987, Vol 35, Num 6, pp 741-750, issn 0096-3518Article

Circuit theoretic analysis of resonance transformersHEINEN, J. A; NIEDERJOHN, R. J.Electronics Letters. 1985, Vol 21, Num 19, pp 866-867, issn 0013-5194Article

Formulas for the impulse response of a digital filter with an arbitrary piecewise-linear frequency responseCHAN, M. V; HEINEN, J. A; NIEDERJOHN, R. J et al.IEEE transactions on signal processing. 1995, Vol 43, Num 1, pp 308-310, issn 1053-587XArticle

An experimental investigation of the perceptual effect of altering the zero-crossings of a speech signalNIEDERJOHN, R. J; KRUTZ, M. W; BROWN, B. M et al.IEEE transactions on acoustics, speech, and signal processing. 1987, Vol 35, Num 5, pp 618-625, issn 0096-3518Article