They are different italian accents. Different regions in Italy speak with a different italian accent (dialetto/i).
"Di·a·let·ti" is the plural form of "dialetto," an Italian word that translates to "dialect" in English. Dialetti refer to regional or local variants of a language that may differ in grammar, vocabulary, or pronunciation from the standard language. Italy, for example, has a rich variety of dialetti due to its history of regional diversity.
Giacomo Melillo has written: 'I dialetti del Gargano' -- subject(s): Dialects, Italian language
Franco Fanciullo has written: 'Dialetti e non solo' -- subject(s): Italian language, Dialects, Dialectology
Filippo Piazza has written: 'Le colonie e i dialetti lombardo-siculi' -- subject(s): Dialects, Italian language
Giulio Tomasini has written: 'Le palatali nei dialetti del Trentino' -- subject(s): Italian language, Dialects, Trent (Province), Phonetics
Hans Jost Frey has written: 'Per la posizione lessicale dei dialetti veneti' -- subject(s): Dialects, Italian language
Laura Vanelli has written: 'I dialetti italiani settentrionali nel panorama romanzo' -- subject(s): Morphology, Dialects, Romance languages, Italian language, Syntax
Dante Olivieri has written: 'Dizionario etimologico italiano concordato coi dialetti' -- subject(s): Dictionaries, Etymology, Italian language 'Toponomastica veneta' -- subject(s): Dialects, Etymology, Geographical Names, Italian, Italian language, Local History, Names, Venetia
Pasquale Piemontese has written: 'Le concordanze dei dialetti del Molise nelle versioni della parabola del figliuol prodigo' -- subject(s): Concordances, Dialects, Glossaries, vocabularies, Italian language, Prodigal son (Parable)
Francesco Domenico Falcucci has written: 'Vocabolario dei dialetti della Corsica'
Eugenio Magri has written: 'Vocabolario etimologico e comparato dei dialetti dell'Emilia Romagna'
Hans-Jost Frey has written: 'Lesen und Schreiben' 'Per la posizione lessicale dei dialetti veneti' -- subject(s): Dialects, Italian language, Venice 'Der unendliche Text' -- subject(s): Comparative Literature 'Wortstellungen zur Stellung der Poesie' -- subject(s): History and criticism, Modern Poetry