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<Paper uid="W97-1208">
  <Title>Looking for the presence of linguistic concepts in the prosody of spoken utterances</Title>
  <Section position="8" start_page="100" end_page="100" type="concl">
    <SectionTitle>
5 Conclusion
</SectionTitle>
    <Paragraph position="0"> We have shown that the proposed nlethod stands up to the three requirements. It significantly conveys prosodic functions and no segmental information.` a reasonably pleasant signal manipulation was found and the manipulation is easy, so that most preparatory effort can go into the choice of stimuli and the test design. The test design is variable and can be adequately set for the phenomenon under investigation. The problem of localizing a certain part of an utterance has been tackled by visual presentation. The visual presentation should still be improved so that it does not show pauses or energy distribution. The mixture of different voices within one test seems to degrade the results. It is desirable to check the findings with more different voices. A separate test run for each voice should faciliate the task as it enables the subject to get used to the individual speaker properties.</Paragraph>
    <Paragraph position="1"> Some of the subjects.` side comments have allowed an interesting insight into their listening strategies.</Paragraph>
    <Paragraph position="2"> We think that the proposed method is an efficient link between linguistic theory and practical application. On the one hand theoretical assumptions within Concept-to-speech have to be validated in an actual application. On the other hand perception tests of the kind we have described them can lead to new theoretical findings.</Paragraph>
    <Paragraph position="3"> The method is being applied to detect prosodic content information in dialogue situations of the domains appointment scheduling; hotel reservation and tourist information within the German VERBMOBIL project. Once more reliable information about what can be perceived from the prosody has been collectedl the interplay of the correlating acoustic parameters will be investigated. Finally the findings will be implemented and evaluated again.</Paragraph>
    <Paragraph position="4"> This work has partly been funded by the German Federal Ministry of Education, Science, Research and Technology in the scope of the VEI:tBMOBIL project under grant 01 IV 101 G.</Paragraph>
  </Section>
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