About HKUST Mandarin Telephone Speech The data below were collected from Human Language Technology Center, HKUST LDC2005S15 : http://www.ldc.upenn.edu/Catalog/catalogEntry.jsp?catalogId=LDC2005S15 LDC2005T32 : http://www.ldc.upenn.edu/Catalog/catalogEntry.jsp?catalogId=LDC2005T32 s5: The experiments here were based on the above corpus