{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T06:43:43Z","timestamp":1790750623468,"version":"4.1.0"},"reference-count":36,"publisher":"Acoustical Society of America (ASA)","issue":"4","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2005,4,1]]},"abstract":"<jats:p>The ability to understand speech in a multi-source environment containing informational masking may depend on the perceptual arrangement of signal and masker objects in space. In normal-hearing listeners, Arbogast et al. [J. Acoust. Soc. Am. 112, 2086\u20132098 (2002)] found an 18-dB spatial release from a primarily informational masker, compared to 7 dB for a primarily energetic masker. This article extends the earlier work to include the study of listeners with sensorineural hearing loss. Listeners performed closed-set speech recognition in two spatial conditions: 0\u00b0 and 90\u00b0 separation between signal and masker. Three maskers were tested: (1) the different-band sentence masker was designed to be primarily informational; (2) the different-band noise masker was a control for the different-band sentence; and (3) the same-band noise masker was designed to be primarily energetic. The spatial release from the different-band sentence was larger than for the other maskers, but was smaller (10 dB) for the hearing-impaired group than for the normal-hearing group (15 dB). The smaller benefit for the hearing-impaired listeners can be partially explained by masker sensation level. However, the results suggest that hearing-impaired listeners can use the perceptual effect of spatial separation to improve speech recognition in the presence of a primarily informational masker.<\/jats:p>","DOI":"10.1121\/1.1861598","type":"journal-article","created":{"date-parts":[[2006,1,5]],"date-time":"2006-01-05T18:35:44Z","timestamp":1136486144000},"page":"2169-2180","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":143,"title":["The effect of spatial separation on informational masking of speech in normal-hearing and hearing-impaired listeners"],"prefix":"10.1121","volume":"117","author":[{"given":"Tanya L.","family":"Arbogast","sequence":"first","affiliation":[{"name":"Hearing Research Center and Communication Disorders, Boston University, 635 Commonwealth Avenue, Boston, Massachusetts\u200902215"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christine R.","family":"Mason","sequence":"additional","affiliation":[{"name":"Hearing Research Center and Communication Disorders, Boston University, 635 Commonwealth Avenue, Boston, Massachusetts\u200902215"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"suffix":"Jr.","given":"Gerald","family":"Kidd","sequence":"additional","affiliation":[{"name":"Hearing Research Center and Communication Disorders, Boston University, 635 Commonwealth Avenue, Boston, Massachusetts\u200902215"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","published-online":{"date-parts":[[2005,4,8]]},"reference":[{"key":"2023071309560620500_ale03"},{"key":"2023071309560620500_arb02","doi-asserted-by":"crossref","first-page":"2086","DOI":"10.1121\/1.1510141","article-title":"The effect of spatial separation on informational and energetic masking of speech","volume":"112","year":"2002","journal-title":"J. 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