Topic Detection and Tracking(TDT) 2 English Careful Transcription Audio Corpus


This file contains documentation on the Topic Detection and Tracking (TDT) 2 Careful Transcription Audio Corpus, Linguistic Data Consortium (LDC) catalog number LDC2000S92 and isbn 1-58563-167-1. This corpus contains the recordings of broadcast news audio. The transcriptions to these recordings are available in the Topic Detection and Tracking (TDT) 2 Careful Transcription Text Corpus, Linguistic Data Consortium (LDC) catalog number LDC2000T44 and isbn 1-58563-166-3.

Topic Detection and Tracking (TDT) refers to automatic techniques for finding topically related material in streams of data such as newswire and broadcast news. The TDT2 corpus was created to support three TDT2 tasks: find topically homogeneous sections (segmentation), detect the occurrence of new events (detection), and track the reoccurrence of old or new events (tracking). For further information on TDT2 please visit our TDT2 Information Pages.

Please see file.tbl for the directory structure of this publication, as well as a complete list of files.
The data files are located in the audio directory.


The data files are recordings of broadcasts of the copyrighted sources below from January through June 1998 and of Voice of America (VOA) news broadcasts from March through June 1998. The audio files in this corpus are single channel, 16 KHz, 16 bit linear SPHERE files.

LDC2000S92 may contain information on updates or other addenda.

Content Copyright

Portions © 1998 ABC
Portions © 1998 CNN
Portions © 1998 PRI

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