REVERBERANT SPEECH RECOGNITION: A PHONEME ANALYSIS

被引：0
|
作者：
Parada, Pablo Peso [1 ]
Sharma, Dushyant [1 ]
Naylor, Patrick A. [2 ]
van Waterschoot, Toon [3 ]
机构：
[1] Nuance Commun Inc, Marlow, Bucks, England
[2] Imperial Coll London, Dept Elect & Elect Engn, London, England
[3] Katholieke Univ Leuven, Dept Elect Engn ESAT STADIUS ETC, Leuven, Belgium
来源：
2014 IEEE GLOBAL CONFERENCE ON SIGNAL AND INFORMATION PROCESSING (GLOBALSIP) | 2014年
关键词：
phone recognition; reverberation; confusability factor;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We present a phoneme confusion analysis that models the impact of reverberation on automatic speech recognition performance by formulating the problem in a Bayesian framework. Our analysis under reverberant conditions shows the relative robustness to reverberation of each phoneme and also indicates that substitutions and deletions correspond to the most common errors in a phoneme recognition task. Finally, a model is proposed to estimate the confusability of each phoneme depending on the reverberation level which is evaluated using two independent data sets.
引用
收藏
页码：567 / 571
页数：5
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