Definition of vocalizer in US English:

vocalizer

noun

  • See vocalize

    • ‘Early vocalizers displayed more advanced language development at later ages, and this continuity applied to both groups.’
    • ‘Saul has been fitted with a vocaliser, a machine that transforms laboriously typed words into sounds.’
    • ‘Music production using Magix Music Maker is a breeze with tools such as vocalizers, virtual synths, drum machines, vocoders, loopers and a text-to-speech module which is pretty cool.’