uma25s is a midicontroller, not a synth, and thus does not include a vocoder

Synthesizer Vocoder, Korg R3 - Korg.com. Introducing the Korg R3 synthesizer vocoder. Features and benefits of this full-fledged synthesizer vocoder. so basiclly its a synthesizer there is no meanig for R3

The autopilot on Wall-E is not a vocoder. It is a computer synthesized voice generated by the old MacTalk Macintosh application.

A vocoder system is a voice encoder. It works by using and encoder and synthesizer to reproduce human speech. It was invented for telecommunications purposes back in the 1930s.

The cast of T-Pain vs. His Vocoder - 2009 includes: Eric Appel Chad Carter Faheem Najm as himself