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LARGE MARGIN TRACKING FOR ATTENTION-BASED END-TO-END SPEECH RECOGNITION
LARGE MARGIN TRACKING FOR ATTENTION-BASED END-TO-END SPEECH RECOGNITION
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机译:大幅度跟踪,用于基于注意力的端到端语音识别
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摘要
A method of attention-based end-to-end (E2E) automatic speech recognition (ASR) training, includes performing cross-entropy training of a model, based on one or more input features of a speech signal, performing beam searching of the model of which the cross-entropy training is performed, to generate an n-best hypotheses list of output hypotheses, and determining a one-best hypothesis among the generated n-best hypotheses list. The method further includes determining a character-based gradient and a word-based gradient, based on the model of which the cross-entropy training is performed and a loss function in which a distance between a reference sequence and the determined one-best hypothesis is maximized, and performing backpropagation of the determined character-based gradient and the determined word-based gradient to the model, to update the model.
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