vocoder
/ˈvoʊˌkoʊdər/
noun
- An electronic device or software that analyzes and synthesizes human speech, often used to create robotic or musical vocal effects.
- He downloaded a vocoder app to experiment with different voice filters.
- Many pop songs from the 1970s feature a vocoder effect on the vocals.
- The band used a vocoder to give the singer's voice a futuristic sound.