THE CAMBRIDGE UNIVERSITY MULTIMEDIA DOCUMENT RETRIEVAL DEMO SYSTEM
A. Tuerk, S.E. Johnson, P. Jourlin, K. Sparck Jones and P.C. Woodland
This paper describes the CU-MDR demo system. The CU-MDR Demo is a web based application that allows the user to query a database of automatically generated transcripts of radio broadcasts that are available on-line. The system downloads the audio track of British and American news broadcasts from the Internet once a day and adds them to its archive. The audio, which comes in RealAudio format, is first converted into standard uncompressed format from which a transcription is produced using our large vocabulary broadcast news recognition engine. This yields a collection of text and audio documents which can be searched by the user.
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We have attempted to provide automatically generated PDF copies of documents for which only PostScript versions have previously been available. These are clearly marked in the database - due to the nature of the automatic conversion process, they are likely to be badly aliased when viewed at default resolution on screen by acroread.