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Due to their inherent advantages, electronic ballasts for gas discharge lamps have found widespread application in recent years. But, up to now, each ballast had to be tailored to fit a given lamp, resulting in a multitude of ballasts, that differ only by their operating parameters. One important requirement in order to operate different lamps with the same(More)
A realtime visual intonation-display system for the teaching of intonation is presented. This system can be used for the teaching of intonation of foreign languages to second-language learners and of intonation of native language to deaf persons. In contrast to other visual-display systems, the visual feedback on intonation is given as a continuous(More)
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