Speech Research: A Report on the Status and Progress of Studies on the Nature of Speech, Instrumentation for Its Investigation, and Practical Applications

This report (1 April-30 June) is one of a regular series on the status and progress of studies on the nature of speech, instrumentation for its investigation, and practical applications. Manuscripts cover the following topics: The perceptual equivalence of two acoustic cues for a speech contrast is specific to phonetic perception, Duplex perception of acoustic patterns as speech and nonspeech, Evidence for phonetic processing of cues to place of articulation: Perceived manner affects perceived place, Some articulatory correlates of perceptual isochrony, Effects of utterance continuity on phonetic judgments, Laryngeal adjustments in stuttering: A glottographic observation using a modified reaction paradigm, Missing -ing in reading: Letter detection errors on word endings, Speaking rate, syllable stress, and vowel identity, Sonority and syllabicity: Acoustic correlates of perception, Influence of vocalic context on perception of the (S)-(s) distinction. (Author) Sponsored in part by Grants PHS-RR-05596, NSF-MCS79-16177, NSF-BNS78-27331, PHS-NS13870, PHS-NS13617 and PHS-AM25814.