Method for testing rhythm level of spoken English
A prosody and English technology, applied in the field of speech signal processing and pattern recognition in the artificial intelligence industry, can solve the problems of no in-depth processing of features, difficulty in further improving test performance, and no targeted introduction of multi-knowledge source models to improve accuracy. and reliability, good promotion effect
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[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0029] figure 1 It is an overall flow chart of the method for testing the prosody level of spoken English in the embodiment of the present invention. Such as figure 1 As shown, the steps of the method for testing the prosody level of spoken English are:
[0030] In step A', the original speech signal read out by the user for the prosody level test is acquired.
[0031] Step A, preprocessing the original speech signal.
[0032] Step A-1: Perform effective voice segment detection (VAD detection for short) on the original voice, filter out noise segments and overly long pause segments, and reserve voice segments for use in the next step.
[0033] Step A-2: Perform frame-by-frame processing on the valid voice segment si...
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