Title :
Domain adaptation for parsing in automatic speech recognition
Author :
Marin, A. ; Ostendorf, Mari
Author_Institution :
Univ. of Washington, Seattle, WA, USA
Abstract :
This paper addresses the problem of adapting a parser trained on out-of-domain data for use in automatic speech recognition (ASR) rescoring and error detection tasks. Using a self-training approach and adaptation with weakly-supervised data, we obtain improvements in ASR rescoring of confusion networks. Features extracted from the parser output are also used to improve detection of general ASR errors and out-of-vocabulary word regions in conjunction with a maximum entropy classifier.
Keywords :
error detection; feature extraction; grammars; speech recognition; ASR rescoring; automatic speech recognition; confusion networks; domain adaptation; error detection tasks; feature extraction; maximum entropy classifier; out-of-domain data; out-of-vocabulary word regions; parser output; self-training approach; weakly-supervised data; Computational modeling; Data models; Feature extraction; Speech; Speech recognition; Syntactics; Training; OOV detection; Parsing; error detection; speech recognition;
Conference_Titel :
Acoustics, Speech and Signal Processing (ICASSP), 2014 IEEE International Conference on
Conference_Location :
Florence
DOI :
10.1109/ICASSP.2014.6854832