HMM voiceprint recognition signing-in method and system based on grouping statistics
A voiceprint recognition and voiceprint technology, applied in speech recognition, speech analysis, instruments, etc., can solve the problems of poor recognition efficiency and real-time performance
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[0073] Such as figure 1 Shown, a kind of HMM voiceprint recognition check-in method based on group statistics, collect voiceprint signal through the check-in client, and transmit to the check-in server through the network to check in, described method comprises the following steps:
[0074] S1: Collect the voiceprint signal of the sign-in person;
[0075] S2: Preprocessing the voiceprint signal, the preprocessing process includes pre-emphasis, framing, windowing and endpoint detection in sequence, and transmits the preprocessed voiceprint signal to the server through the network;
[0076] S3: Extracting voiceprint feature parameters from the voiceprint signal;
[0077] S4: Generating grouping feature parameters, including generating grouping feature parameters of sign-ins and generating grouping feature parameters of the grouping model;
[0078] S5: According to the grouping characteristic parameters of each group in the grouping model and the grouping characteristic paramet...
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