vocoder
vocoder is a electronic musical instrument or synthesizer.
Also recorded as voice encoder.
Overview
Its recorded use is speech coding. Catalogue entries state maker, model, completeness of accessories and condition. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
voice encryption, transformation, and synthesis device
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Vocoder”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q908562: vocoder
Consult the source