A CHUNK-BASED PHONETIC SCORE FOR MOBILE VOICE SEARCH

被引：0

作者：

Prabhavalkar, Rohit ^{[1
]}

Droppo, Jasha ^{[2
]}

机构：

[1] Ohio State Univ, Dept Comp Sci & Engn, Columbus, OH 43210 USA

[2] Microsoft Res, Speech Technol Grp, Redmond, WA USA

来源：

2012 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP) | 2012年

关键词：

voice search; phonetic score; pronunciation modeling;

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

We propose a chunk-based phonetic score for re-scoring word hypotheses for the mobile voice search task. The score is based on a novel technique for aligning decoded phone sequences with forced-alignments of hypothesized word sequences and exploits phone-boundary timing information. In experimental results, we find that the proposed approach results in relative a word error rate reduction of 4.4% and a relative sentence error rate reduction of 2.3% for the Windows live search for mobile task [1].

引用

下载

页码：4729 / 4732

页数：4

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