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Interactive Audio Comprehension Materials

Interactive Audio Comprehension Materials. Paul Groves paul.groves@oucs.ox.ac.uk. Background. IACM developed to provide self-monitored aural compreshension practice (for Oral Exam) for Mod. Lang. students Used for 8 different languages Comprises long-ish (around 5 minutes) chunks of audio.

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Interactive Audio Comprehension Materials

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  1. Interactive Audio Comprehension Materials Paul Groves paul.groves@oucs.ox.ac.uk

  2. Background • IACM developed to provide self-monitored aural compreshension practice (for Oral Exam) for Mod. Lang. students • Used for 8 different languages • Comprises long-ish (around 5 minutes) chunks of audio

  3. Web Demo http://acdt.oucs.ox.ac.uk/modlang/

  4. Technology(1) • “Backend” uses XML (one XML file per passage plus “master” XML file), • Converted to HTML & SMIL using SAXON XSLT Processor + custom XSLT stylesheets • Perl + Sablotron XSLT Processor used for dynamic XSLT conversion

  5. File Production Process SMIL Files Master XML File SAXON HTML Files Master XSLT File Passage XML Files HTML output XSLT Files SMIL output XSLT File

  6. Example of XML <section no="1"> <question mark="3">What were posting stations used for in Russia beginning in the 13th century?</question> <transcription clip_begin="3.5" clip_end="21.8"> <para>На Руси начиная с XIII в. на ямских трактах ставились почтовые станции (ямы), где путешествующие могли отдохнуть и сменить лошадей. Именно от этих станций и мерили тогда длину дороги. </para> </transcription> </section>

  7. Technology (2) • XML Stores: • “metadata” (audio timings, title, speaker, language etc.) as well as: • content (transcriptions etc.) of each passage • XSLT allows the passages to be presented in a number of different ways

  8. Why Was XML Used? • Unicode – makes handling multiple languages (not all of which use the Latin alphabet) easier • Platform/application independence • XSLT means same data can be used in different ways

  9. Why was RealAudio Used? • Has full support for SMIL • Allows a lot of interaction with an embedded RealPlayer using Javascript • Good quality/compression trade-off • Basic Server (was) free

  10. Problems • XML files not easy to create or manage for non-technical staff (XMetal helps, but is not the answer) • Difficult for Web Designers to use XSLT, though tools are improving • Unicode support still a bit patchy on Mac • Netscape 6 problems with javascript and embedded objects • Latest version of “Free” Real Basic Server now expires after 12 months

  11. Future Plans • Shell for creating/managing XML • More XSLT stylesheets to create different ways to navigate XML data • Use “standard” XSLT 2.0 instead of Saxon extensions • Video

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