Progress in the BBN 2007 Mandarin Speech to Text system

In this paper, we describe the BBN 2007 Mandarin speech-to-text system developed for the GALE Evaluation 2007. In comparison to the BBN 2006 Mandarin system, we achieved 25% relative reduction in character error rate on the most important test sets. The utilization of all available training data pro...

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Hauptverfasser: Ng, T., Bing Zhang, Nguyen, K., Long Nguyen
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Long Nguyen
description In this paper, we describe the BBN 2007 Mandarin speech-to-text system developed for the GALE Evaluation 2007. In comparison to the BBN 2006 Mandarin system, we achieved 25% relative reduction in character error rate on the most important test sets. The utilization of all available training data provided the largest contribution to the improvement. The use of a better pitch tracking algorithm also contributed significantly, while system combination made some noticeable improvement too.
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Acoustic testing
Broadcasting
Decoding
Error analysis
Mandarin
Natural languages
pitch
Speech analysis
Speech recognition
system combination
System testing
Training data
title Progress in the BBN 2007 Mandarin Speech to Text system
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