Television broadcast engineering. 3. News production systems; 3-1. News studio system. A case of the renewed NHK news center.

The 1997 CMU Sphinx-3 English Broadcast News Transcription System

This paper describes the 1997 Hub-4 Broadcast News Sphinx3 speech recognition system. This year’s system includes fullbandwidth acoustic models trained on Broadcast News and Wall Street Journal acoustic training data, an expanded vocabulary, and a 4-gram language model for N-best list rescoring. The system structure, acoustic and language models, and adaptation components are described in detai...

Broadcast News Transcription System

This paper describes the 1998 CMU Hub 4 Spanish broadcast news transcription system. We focus on the development and improvements of the system with respect to the 1997 system. Both the 1997 and 1998 systems were developed using exactly the same acoustic and language model training material, thus the improvements obtained resulted from a better utilization and modeling of these corpora and a be...

News 3

Dragon Systems’ 1997 Mandarin Broadcast News System

Dragon systems' 1998 broadcast news transcription system

In this paper we shall describe key improvements to Dragon’s Broadcast News Transcription System, which include: the addition of a speaker-change detection algorithm to our preprocessing subsystem, a new diagonalizing transformation trained using semi-tied covariances, and the addition of probabilities on pronunciations. This new transcription system yields a word error rate of 15.2% on the 199...