Melody similarity evaluation method and device, terminal equipment and storage medium

Abstract

The embodiment of the invention discloses a melody similarity evaluation method and device, terminal equipment and a storage medium, and relates to a data analysis and similarity measurement technology, and the method comprises the steps: obtaining two pieces of to-be-analyzed music, and recognizing decorative sounds of the two pieces of music; simplifying the decorative tones of the two pieces ofmusic, and performing feature extraction on the two pieces of music to respectively obtain melody feature sequences of the two pieces of music; respectively carrying out melody segmentation on the melody characteristic sequences of the two pieces of music to obtain a plurality of melody sub-sequences with different lengths corresponding to the melody characteristic sequences of the two pieces ofmusic; and generating a similarity feature map of the two pieces of music according to the melody sub-sequences of the two pieces of music.

Description

technical field [0001] The present application relates to the field of data analysis, in particular to a melody similarity evaluation method, device, terminal equipment and storage medium. Background technique [0002] Music copyright protection plays an important role in protecting the legitimate rights and interests of musicians, stimulating creation, and promoting the development of the music market. It is also the protection of folk art works and the protection of "human oral and intangible heritage". [0003] In music infringement cases, music plagiarism is one of the more difficult ways to determine infringement. Melody is the primary factor in determining music plagiarism. In judging music plagiarism, melody has become the most important factor used by judges. It is also melody that is most discussed by courts in music copyright cases. The court usually entrusts professionals in the music industry when determining whether there are substantial similarities between mu...

AI Technical Summary

Problems solved by technology

However, at present, my country has not established a statutory and unified appraisal institution for music plagiarism cases, resulting in a wide variety of appraisal institutions related to music infringement, and their appraisal standards are all different. Unification cannot be achieved

Moreover, there is a lack of unified appraisal procedures, and the appraisal fee system is not reasonable

It can be seen that there is currently a lack of efficient and objective similarity evaluation methods for music works

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