TDT4 Multilingual Broadcast News Speech Corpus
The TDT4 corpus contains news data collected daily from 20 news sources (13 broadcast, seven newswire) in three languages (American English, Mandarin Chinese, and Modern Standard Arabic), over a period of four months (October 2000 through January 2001). Here's a breakdown of the broadcast data included in this release with number of files and time length by source:
LDC
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speech recognition 
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