Voice recognition implementing method and system based on confidence coefficient
A technology of speech recognition and confidence, which is applied in the field of confidence, can solve problems such as inaccurate confidence, large amount of calculation, and incomplete representation, and achieve accurate probabilistic confusion network competition probability, accurate phoneme synchronous decoding, and accurate speech recognition information Effect
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[0018] Such as figure 1 As shown, the system of this embodiment includes: a speech recognition module, a word map generation module, a confusion network competition probability calculation module, a full search space probability calculation module, and a confidence discriminator. Among them: a speech recognition module for simultaneous phoneme decoding and word map generation The module is connected and transmits complete phoneme information. The phoneme-synchronized word map generation module constructs compact and no information loss acoustic information representation and outputs it to the confusion network competition probability calculation module. The confusion network competition probability calculation module extracts the phoneme word map. Competitive relationship probability, the full search space probability calculation module constructs an auxiliary search space based on phoneme information, and further obtains the full search space probability. The confidence discrim...
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