 This has in so many ways suppressed the language below it's neighbour Urhobo language.Isoko has about 20 to 21 dialects, but the Aviara/Uzere dialect is the standard dialect of the language.Michael A. Marioghae, working with Peter Ladefoged in 1962, made one of a few audio recordings of sample Isoko words that are made available at the UCLA phonetics archive.