oscillating wave in orange and purple gradient colorful music signal voice

vector abstraction wave line colorful bright musical shape waves technology voice recognition assistant audio art sounds beautiful background wallpaper screensaver blue indigo pink colors frequency display disco electric creativity stereo vibrations level volume blur effect design illustration pulse glowing abstract monitor innovation digital electronic modern laser network media pattern glow science light creative sonic signal equalizer music radio program sound oscillating orange purple gradient font text screenshot brand darkness circle presentation night poster lighting logo advertising number diagram