| Mobile short video has a strong sense of picture,authenticity and information carrying capacity.With the popularity of short video social,the short video era of "short video+background music" has come,and short video has become an extremely important part of people’s daily entertainment life.Not only have a large number of social platforms based on short videos emerged on the market,but existing online social APPs have also added social areas based on short videos.The production of short videos often needs to add background music to enhance the atmosphere.Tiktok is a short video app with the largest user volume and the highest traffic at present.The first article of its "short video attraction rule" mentioned that music as an inducement,the background music that matches the content and theme of short videos can bring a positive impact on the spread of short videos.It can be seen that background music is one of the important components of short videos.Considering the high representativeness of Tiktok in the field of short video,this paper takes Tiktok short video data and its background music as the data source for analysis.In this paper,the author makes an analysis on the basis of fully introducing the short text topic mining technology,the background music emotion analysis model,the background music genre analysis model,and the construction of short video transmission effect indicators.This paper obtains relevant data such as Tiktok short videos and their background music from the "Music Library" provided by the "Cicada Mama" website,which specializes in the statistics of Tiktok data.After data cleaning and data filtering,the BTM model is selected for theme mining of short video titles,and six themes of life,emotion,fashion,epidemic resistance,education and agriculture,rural areas and farmers are obtained;The EMOPIA model was selected for the background music emotion analysis,and eight kinds of background music emotions,including surprised,happy,neutral,calm,scared,sad,angry and disgusted were obtained;Wav2vec2.0 model is selected for background music genre analysis,and six background music genres are obtained: hip-hop,pop,reggae,jazz,classical and metal;Use the DCI index provided by the Qingbo data platform to build the short video transmission effect index.Integrate the extracted elements,based on the configuration perspective and qualitative analysis and comparison method,apply the fsQCA4.0 software to carry out configuration analysis for each short video theme,take the popularity of background music,use time,emotion and genre as the conditional variables,and take the short video transmission effect as the result variable,and pass the stability test.Finally,based on the configuration results under each topic,this paper outputs the short video high propagation effect cases corresponding to each configuration path,summarizes the configuration characteristics of the background music of the short video high propagation effect cases,and analyzes and discusses them.Finally,from the perspective of theme and background music,it provides referential suggestions for the selection of short video background music. |
