Design Of Audio Visualization Product Based On “Main Melody And Emotion”

As a unique art form of people's emotional expression,music focuses on the "soul-touching" perceptual experience of the audience.It is not only the auditory sense,but also an emotional and surreal experienc e.The tradit ional concept o f listening to music has been unable to satisfy people's pursuit of colorful world.In the high-speed development of the Internet information age,computer techno logy is booming and music visualizat ion has increasingly promoted t hrough academic research and market attention.It spawned a series of visualizat ion applicatio n products.The artistic qualit y and rich artistic conception of music increase people's loving of music.Through visual extension and synesthesia,the impact brought by music is often more intense than the simple auditory stimulat ion.Therefore,the study of audio visualization has great meaning in terms o f theoretical and practical.The main melody refers to major part in the mult i-part singing,while the other parts only play the role of polishing,enriching,fo il and supplement ing and so on.The emotional theme is the music emotional theme of the audio.The audio visualization based on the theme is achieved through music visualization,which can obtain a more variable level o f visualizat ion effect.Different music visualizations can be obtained according to different music types,which help people have better understand with the gist of music.In this paper,music emotion analysis is taken as the entry point to expres s the emotion with the tone,rhythm and beat of the theme.Author extract the emotional characteristics of music and the theme,and then carry out product design based on the theme.Firstly,audio feature extraction and audio visualization are summarized fro m the two aspects of sound representation.Then,from the perspective of the basic characteristics of music emotion,it states the basic principle of music emotion analysis,ident ifies and analyse music emotion.Then,author taking MIDI music as the research object,proposed a method based on multi-track MIDI to exact the theme.Finally,on the premise of "theme" extraction,author proposed audio-visual design scheme according to different emotion types,and verified the effect iveness and superiorit y of the product design scheme.