Invention Grant
US07885817B2 Easy generation and automatic training of spoken dialog systems using text-to-speech 有权
使用文字转语音轻松地生成和自动训练语音对话系统

Easy generation and automatic training of spoken dialog systems using text-to-speech
Abstract:
A dialog system training environment and method using text-to-speech (TTS) are provided. The only knowledge a designer requires is a simple specification of when the dialog system has failed or succeeded, and for any state of the dialog, a list of the possible actions the system can take.The training environment simulates a user using TTS varied at adjustable levels, a dialog action model of a dialog system responds to the produced utterance by trying out all possible actions until it has failed or succeeded. From the data accumulated in the training environment it is possible for the dialog action model to learn which states to go to when it observes the appropriate speech and dialog features so as to increase the likelihood of success. The data can also be used to improve the speech model.
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