Korg VC-10 Vintage 70's/ 80's Analogue Vocoder Synthesiser - 117VKorg VC 10 Vintage 70's 80's Analogue Vocoder Synthesiser 117V The VC 10 is a polyphonic 20 band vocoder which was produced by Korg between 1978 and 1982. Use the microphone Feed it your voice (or any other interesting sound source) and synthesise it! That is, control the sound of the synth with your voice. You can even put other sounds through its filters which will then be processed by the vocoder. This basically means you can use it as a talk box