PERFORMANCE IMPROVEMENTS IN VOICEMAIL TRANSCRIPTION
msra(2000)
摘要
In this paper we report recent improvements in word error performance on a voicemail transcription task. Last year, the speaker independent word error rate (WER) on the dev test set of the Voicemail Transcription task was reported at 35.45% (1). This year, we report a relative 20% gain over this number. The improvements were obtained using sev- eral new algorithms and an increased amount of training data. In addition to benchmarking the performance of these algorithms on the Voicemail task, we have also evaluated them on the Switchboard task, and we report these results here as well. Finally, we also present the result of cross- domain experiments to evaluate the domain-independence of the constructed systems.
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关键词
word error rate
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