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Multimedia retrieval in MultiMatch: The impact of speech transcript errors on search behaviour

Carmichael, James and Clough, Paul and Newman, Eamonn and Jones, Gareth J.F. (2008) Multimedia retrieval in MultiMatch: The impact of speech transcript errors on search behaviour. In: The Workshop on Information Access to Cultural Heritage at the 12th European Conference on Research and Advanced Technologies for Digital Libraries, September 2008, Aarhus, Denmark, .

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This study discusses the findings of an evaluation study on the performance of a multimedia multimodal information access sub-system (MIAS), incorporating automatic speech recognition technology (ASR) to automatically transcribe the speech content of video soundtracks. The study’s results indicate that an information-rich but minimalist graphical interface is preferred. It was also discovered that users tend to have a misplaced confidence in the accuracy of ASR-generated speech transcripts, thus they are not inclined to conduct a systematic auditory inspection (their usual search behaviour) of a video’s soundtrack if the query term does not appear in the transcript. In order to alert the user to the possibility that a search term may be incorrectly recognised as some other word, a matching algorithm is proposed that searches for word sequences of similar phonemic structure to the query term.

Item Type:Conference or Workshop Item (Paper)
Event Type:Workshop
Uncontrolled Keywords:automatic speech recognition; multimodal search; user evaluation
Subjects:Computer Science > Information retrieval
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Computing
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:16189
Deposited On:16 Jun 2011 14:42 by Shane Harper. Last Modified 16 Jun 2011 14:42

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