THE IBM 2009 GALE ARABIC SPEECH TRANSCRIPTION SYSTEM

被引：0

作者：

Kingsbury, Brian ^{[1
]}

Soltau, Hagen ^{[1
]}

Saon, George ^{[1
]}

Chu, Stephen ^{[1
]}

Kuo, Hong-Kwang ^{[1
]}

Mangu, Lidia ^{[1
]}

Ravuri, Suman

Morgan, Nelson

Janin, Adam

机构：

[1] IBM Corp, Thomas J Watson Res Ctr, Yorktown Hts, NY 10598 USA

来源：

2011 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING | 2011年

关键词：

large vocabulary speech recognition;

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

We describe the Arabic broadcast transcription system fielded by IBM in the GALE Phase 4 machine translation evaluation. Key advances over our Phase 3.5 system include improvements to context-dependent modeling in vowelized Arabic acoustic models; the use of neural-network features provided by the International Computer Science Institute; Model M language models; a neural network language model that uses syntactic and morphological features; and improvements to our system combination strategy. These advances were instrumental in achieving a word error rate of 8.9% on the Phase 4 evaluation set, and an absolute improvement of 1.6% word error rate over our 2008 system on the unsequestered Phase 3.5 evaluation data.

引用

页码：4672 / 4675

页数：4

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