Fine-grained radio station audio content personalized organization recommendation method
A recommendation method and fine-grained technology, applied in speech analysis, electrical components, speech recognition, etc., can solve the problems of content marking and searching inconvenience, time-consuming and labor-intensive, limiting the reorganization and utilization of audio media assets, etc., to improve the accuracy of text analysis degree of effect
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[0104] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0105] figure 1 It is the system framework of the automatic segmentation and labeling system of the present invention
[0106] First, the frame window function selects the Hamming window. The definition of the Hamming window is as follows:
[0107]
[0108] The present invention adopts the least square method to fit and eliminate the trend item.
[0109] The invention adopts the improved spectrum subtraction method of multi-window spectrum estimation for noise reduction.
[0110] The pre-emphasized filter of the present invention is set as
[0111] H(z)=1-αz -1
[0112] The feature that the present invention extracts can include but not limited to the feature of table 1:
[0113] Table 1 Extraction features
[0114]
[0115] The present invention adopts the evolutiv...
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