These futuristic vocal effects sound great in many styles of music including hip hop, trap, disco, house, and more.
They work by modulating an external carrier signal, such as a vocal, with additional oscillation signals to add harmonics and create an interesting sound. Vocoders are a type of audio effect used to process the human voice, they’ve been made famous by artists such as Herbie Hancock, Daft Punk, Kraftwerk, 2Pac, and countless others.