This paper describes some of our activities in the area of elearning with a special focus on the speech (or more general: on the acoustic) component. We found out that in many (probably the most) electronic tutorials the main emphasis is on the visual presentation with partly excellent 3D video and graphical material, but the acoustic components are more or less primitive ones or forgotten. That's why we made several investigations on how speech, music, sounds, noise etc. can enrich and improve the elearning material, above all when these components are used with their synergy and completion to the visual components in the sense of a real multimedia presentation.
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