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When f3 is represented on an octave scale, STCs were similar in shape across f2 frequency. These STCs were analyzed to provide estimates of gain (tip-to-tail difference) and tuning (QERB). Both gain and tuning decreased as L2 increased, regardless of f2, but the trend with f2 was not monotonic. A roughly linear relation was observed between gain and tuning at each frequency, such that gain increased by 4\u201316 dB (mean\u2009\u2248\u20095 dB) for every unit increase in QERB, although the pattern varied with frequency. These findings suggest consistent nonlinear processing across a wide frequency range in humans, although the nonlinear operation range is frequency dependent.<\/jats:p>","DOI":"10.1121\/1.3531864","type":"journal-article","created":{"date-parts":[[2011,2,24]],"date-time":"2011-02-24T23:45:03Z","timestamp":1298591103000},"page":"817-827","update-policy":"http:\/\/dx.doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":28,"title":["Distortion-product otoacoustic emission suppression tuning curves in humans"],"prefix":"10.1121","volume":"129","author":[{"given":"Michael P.","family":"Gorga","sequence":"first","affiliation":[{"name":"Boys Town National Research Hospital 1 , 555 North 30th Street, Omaha, Nebraska 68131"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stephen T.","family":"Neely","sequence":"additional","affiliation":[{"name":"Boys Town National Research Hospital 1 , 555 North 30th Street, Omaha, Nebraska 68131"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Judy","family":"Kopun","sequence":"additional","affiliation":[{"name":"Boys Town National Research Hospital 1 , 555 North 30th Street, Omaha, Nebraska 68131"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hongyang","family":"Tan","sequence":"additional","affiliation":[{"name":"Boys Town National Research Hospital 1 , 555 North 30th Street, Omaha, Nebraska 68131"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"231","published-online":{"date-parts":[[2011,2,11]]},"reference":[{"key":"2023080123084111400_c1","doi-asserted-by":"publisher","first-page":"125","DOI":"10.1016\/S0378-5955(98)00073-2","article-title":"A developmental study of distortion product otoacoustic emission (2f1\u2013f2) suppression in humans","volume":"21","year":"1998","journal-title":"Hear. 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