By Steven B. Chin;David B. Pisoni
''Alcohol and Speech'' serves as a unmarried, unifying reference resource for these attracted to speech motor results obvious within the acoustic checklist, response instances, speech communique innovations, and perceptual judgments. Written via a linguist and a psychologist, the ebook offers an analytic orientation towards speech and alcohol with an emphasis on laboratory-based learn in acoustic-phonetics and speech technology. it's a finished evaluation of the consequences of alcohol on speech and compares many 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 delivering either breadth of insurance and intensity of research. A case examine concerning the 1989 Exxon Valdez oil spill in Prince William Sound develops a number of the felony implications of this learn. It illustrates a unified standpoint for the learn of alcohol and speech. It comprises the advantage of years of study on alcohol and speech. It presents a wealth of study to investigators in a wide selection of disciplines: drugs, psychology, speech, forensics, legislation, and human components. It demonstrates how alcohol and speech study applies in a realistic state of affairs: the Exxon Valdez grounding. It incorporates a thesaurus in addition to a number of tables and graphs for a fast evaluate of information and effects.
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Extra info for Alcohol and Speech
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.
The orientation of this book is therefore decidedly analytic, with a particular emphasis on laboratory-based research in the field of acoustic-phonetics and speech science. One of our goals is to review and interpret the published literature on alcohol and speech and summarize what is currently known about how alcohol affects speech. A second goal is to identify what areas need further investigation in future research on alcohol and speech. In addition to reviewing research findings that have appeared in the published literature, which was based on our own exhaustive search of journals and books going back to the beginning of the 20th century, we also report new findings on the analysis of speech from our own research program at Indiana University and several other laboratories currently working on these problems.
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. In the same vein, Brenner and Cash (1991), investigators with the NTSB, reviewed the relevant research on alcohol and speech and its application to the Exxon Valdez case.