| Item Name: | TDT2 English Audio |
| Authors: | David Graff |
| LDC Catalog No.: | LDC99S84 |
| ISBN: | 1-58563-543-X |
| Data Type: | speech |
| Data Source(s): | broadcast news |
| Project(s): | EARS, GALE, TDT, TIDES |
| Application(s): | speech recognition, topic detection and tracking |
| Language(s): | English |
| Language ID(s): | eng |
| Distribution: | 13 DVD |
| Member fee: | $0 for 1999 members |
| Non-member Fee: | US $14600.00 |
| Reduced-License Fee: | US $7300.00 |
| Extra-Copy Fee: | US $2600.00 |
| Non-member License: | yes |
| Online documentation: | yes |
| Licensing Instructions: | Subscription Members, Standard Members, Non-Members |
| Citation: | David Graff 1999 TDT2 English Audio Linguistic Data Consortium, Philadelphia |
| PRICING:
IntroductionTopic 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 occurrrence of new events (detection), and track the reoccurrencce of old or new events (tracking). For further information on TDT2 please visit our TDT2 Information Pages. DataThe TDT2 Audio Corpus contains a total of 1,036 waveform files. Each file is a complete single-channel recording of 30- or 60-minute broadcast, which has been digitized at a sample rate of 16 KHz using 16-bit samples. The four broadcast sources represented in the corpus are as follows:
Source Program Format/frequency
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ABC World News Tonight "traditional" network news, 30 minutes/day
CNN Headline News continuous news summaries, up to 4
30-minute samples/day
PRI The World "in-depth" radio news, 60 minutes/weekday
VOA varied 60-minute news programs, up to 2/day
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