< Laslab: Language and Speech Laboratory
Language and Speech Laboratory

Online International Web Transcription Tool With Automatic Feedback And Multimedia Links

Principal investigator
Mª Luisa García Lecumberri.
Investigators
Martin Cooke, John Maidment, Anders Eriksson.

Date
2001-2002

Grant Number
Research Project AFC2000-0286-IP

Awarded by
Spanish Ministry of Education and Culture and Sport, Secretariat for Education and Universities
Summary
This project involves the creation of a tool to provides relevant feedback on learners' attempts at phonemic transcription. The tool aims to complement courses in transcription which are currently taught in both linguistics and language learning settings. A variety of types of feedback are provided. These can be staged by a tutor in order to support customization for different groups of learners and course levels. The tool consists of two similar standalone applications (for tutors and learners). The system performs an optimal alignment of student versus model transcriptions using a dynamic programming algorithm, modified to handle optional and alternative pronunciations. As a result, it computes a summary of errors and their locations within the attempt. Portability and internationalization are key design goals, supported in practice through the use of Java and XML. The tool is currently being tested in a controlled experiment which will provide considerable information on its actual usefulness and necessary refinements.

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