The endonym is pronounced /kə.təˈɫa/ in the Eastern Catalan dialects, and /ka.taˈɫa/ in the Western dialects. In the Valencian Community, the term valencià (/va.len.siˈa/) is frequently used instead. The names "Catalan" and "Valencian" are two names for the same language. See also status of Valencian below.
What affect does  different pronunciations in the two areas of Catalan speakers produce?
dialects
The endonym is pronounced /kə.təˈɫa/ in the Eastern Catalan dialects, and /ka.taˈɫa/ in the Western dialects.
The endonym is pronounced /k@.t@'la/ in the Eastern Catalan dialects, and /ka.ta'la/ in the Western dialects.
What affect does different pronunciations in the two areas of Catalan speakers produce?