What kind of dvd player would play out of region dvds?

Below is a question someone had about DVD players:I have three out of region dvds that wont play in my dvd player. A friend of mine told me a sony dvd player would play out of region dvds, but I want out side opinion. Please help me!
I should add that my three out of region dvds are from Australia and my curent dvd player is a dolby.

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