Gives history of use of language laboratories in second-language learning and suggests ways to make time spent by language students in the language laboratory more worthwhile. Claims technological advancement needs effective hardware combined with an understanding of how students learn languages. (Author/BK)

After a review of the literature on learning a second-language sound system, a study is reported that used only perceptual training to improve both pronunciation and perception of /r/ and /l/ among 39 Japanese university students of English. Results suggest that listening practice can improve pronunciation and perception. (Contains 32 references.)…