Music similarity processing method

Abstract

The present invention provides a music similarity processing method which comprises the following steps: after inputting first characteristic information of multimedia information of first music or the multimedia information of first music, extracting first characteristic information from the multimedia information of first piece of music; decomposing the first characteristic information to a plurality of information segments which start from a random starting point and have a certain length; after inputting the second characteristic information of multimedia information of second piece of music or inputting the multimedia information of second piece of music, extracting the second characteristic information from the multimedia information of second piece of music; calculating the information similarity data of a random segment of a plurality of information segments and a random segment in the second characteristic information; selecting a maximum value of similarity from the similarity data; and determining whether the maximum value of similarity exceeds the preset threshold. If the preset threshold is exceeded, high similarity between the first piece of music and the second piece of music is determined, and otherwise low similarity between the first piece of music and the second piece of music is determined.

Description

technical field [0001] The invention relates to a music similarity processing method, in particular to a processing method for judging whether two pieces of music are similar and copyright infringement occurs. Background technique [0002] Multimedia players, such as MP3, MP4, mobile terminals, computers, etc., are quite popular, and these devices usually have a large information storage capacity and store many pieces of multimedia information. The method for selecting the desired multimedia information to play from these multimedia information is mainly to classify the multimedia information according to certain rules, and then let the operator select through the operation interface in the way of selecting a menu. When the content of the multimedia information is large, there will be many layers of menus in the operation interface, so that it is relatively difficult to select the required multimedia information. And usually the displayed menu options on the operation inter...

AI Technical Summary

Problems solved by technology

In this case, the existing technology is not well resolved

[0008] On the other hand, for the media player, there is also a situation that people want a certain piece of media information to start playing from a certain point. The prior art usually uses a fast forward button or a fast The forward or backward position is estimated by the operator, which is usually inaccurate and requires multiple presses of the fast forward or rewind button to complete

Although the existing digital media recording method provides a directory menu selection method to select a certain piece of media to play, it still cannot solve the problem of quickly controlling the starting point of media playback according to people's expectations

[0009] In addition, the copyright issue of music has also attracted more and more attention, especially the plagiarism of music has been reported from time to time, and some plagiarists have slightly adjusted the tone or beat of the music in order to avoid the loopholes in the corresponding legal regulations. The original song is different in form, but the physical content is still similar. How can this similarity be considered as plagiarism? There is no corresponding method proposed in the prior art.

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