New PDF release: Alcohol and Speech

By Steven B. Chin;David B. Pisoni

ISBN-10: 0121727750

ISBN-13: 9780121727758

''Alcohol and Speech'' serves as a unmarried, unifying reference resource for these drawn to speech motor results glaring within the acoustic checklist, response occasions, speech conversation techniques, and perceptual judgments. Written via a linguist and a psychologist, the booklet offers an analytic orientation towards speech and alcohol with an emphasis on laboratory-based study in acoustic-phonetics and speech technological know-how. it's a entire assessment of the results of alcohol on speech and compares some of the theoretical matters which shape this examine. reviews of either alcohol and speech were infrequent simply because every one box has its personal experimental protocols, methodologies, and examine agendas. This ebook fills a long-standing hole and is exclusive in supplying either breadth of insurance and intensity of research. A case research regarding the 1989 Exxon Valdez oil spill in Prince William Sound develops many of the felony implications of this study. It illustrates a unified point of view for the research of alcohol and speech. It comprises the advantage of years of study on alcohol and speech. It presents a wealth of analysis to investigators in a wide selection of disciplines: medication, psychology, speech, forensics, legislations, and human components. It demonstrates how alcohol and speech examine applies in a realistic state of affairs: the Exxon Valdez grounding. It incorporates a thesaurus in addition to quite a few tables and graphs for a fast assessment of information and effects.

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Extra resources for Alcohol and Speech

Example text

Coast Guard Vessel Traffic Center. A number of researchers were asked by the National Transportation Safety Board to analyze those recordings and to determine if signs of alcohol intoxication were present in the speech of the Exxon Valdez captain. Some of those researchers were subsequently retained as expert witnesses in various legal proceedings that followed the grounding. Chapter 8 discusses the protocols used to analyze the voice recordings as well as the status of those types of analysis in terms of their admissibility as scientific evidence in court.

The ratio of F1/F2 showed wide variance in its ability to discriminate, and changes appeared only at higher levels of intoxication. In his doctoral dissertation and a subsequent article, Swartz (1988, 1992) examined the effects of alcohol on voice onset time (VOT) and determined that this was in fact resistant to the effects of alcohol. The report from the National Transportation Safety Board (NTSB) (1990) included analyses of the Exxon Valdez tapes from two independent research groups, Linda Sobell and Mark Sobell in Toronto (whose research was discussed in Chapter 6) and Pisoni and his colleagues in Bloomington, Indiana.

Watanabe et al. (1994) investigated the effects of alcohol using both acoustic analysis and fiberscopic examination of the hypopharyngeal and laryngeal mucosa. Acoustic results were consistent with previous findings from the Bloomington and Wiesbaden groups, including lowered fundamental frequency, increase in frequency range of phonation, decrease in mean airflow, and changes in vowels. However, contrary to the findings of Kiinzel et al. (1992), Watanabe et al. did find changes in the vocal folds, including capillary dilation, edema, and vocal-fold injection.

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Alcohol and Speech by Steven B. Chin;David B. Pisoni


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