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LOWS ARE THE NEW HIGHS: IMPROVING SPEECH INTELLIGIBILITY WITH UNINTELLIGIBLE LOW-FREQUENCY SOUNDSJanice E. Chang1, John Y. Bai2, Martin Marsala2, Helen E. Cullington2, and Fan-Gang Zeng21Department of Bioengineering, University of California, Berkeley, CA, USA2Hearing and Speech Research Laboratory, University of California, Irvine, CA, USA A. Original HINT: "A boy fell from the window." • A. Original HINT: "A boy fell from the window." D. High-passed original mixed sound. D. Low-passed original mixed sound. B. Competing voice: "A large size in stockings is hard to sell." E. Four-channel implant simulation of the mixed sound above 500 Hz. B. Competing voice: "A pot of tea helps to pass the evening." E. Four-channel implant simulation of the mixed sound below 4000 Hz. C. Original signal + competing voice (SNR=0 dB) F. Combined low-pass and implant simulation. C. Original signal + competing voice (SNR=0 dB) F. Combined high-pass and implant simulation.