Mandarin and dialect mixed modeling and speech recognition
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United States of America Patent
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Jun 27, 2023
Grant Date -
Oct 15, 2020
app pub date -
Apr 8, 2020
filing date -
Apr 15, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure provides a modeling method for speech recognition and a device. The method includes: determining N types of tags; training a neural network according to speech data of Mandarin to generate a recognition model whose outputs are the N types of tags; inputting speech data of each dialect into the recognition model to obtain an output tag of each frame of the speech data of each dialect; determining, according to the output tags and tagged true tags, error rates of the N types of tags for the each dialect, generating M types of target tags according to tags with error rates greater than a preset threshold; and training an acoustic model according to third speech data of Mandarin and third speech data of the P dialects, outputs of the acoustic model being the N types of tags and the M types of target tags corresponding to each dialect.
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