Typical abnormal sound detection method and device
An abnormal sound and typical technology, applied in speech analysis, instruments, etc., can solve the problems that are not easy to apply in the field of video and audio monitoring, and the implementation process is complicated, so as to achieve the effect of expanding the scope of use and low computational complexity
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 In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
 The embodiment of the present invention provides a method for detecting abnormal sounds based on the characteristics of the spectrogram. For sound information, people rely on the three characteristics of timbre, pitch, and volume to distinguish, and these characteristics can be characterized by the parameters in the time-frequency structure of the spectrogram. The spectrogram is a three-dimensional perceptual diagram describing the...
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