Ω is the capital of ω, exactly the same letters, though ancient Greeks only used capital letters.
The Ω was pronounced a bit more deep in the throat, kind of like "ho", but that difference was more accented when the letter was used by itself as an article "Ω human", for example.
Still though there is no absolute knowledge for the exact pronunciation of any of the ancient Greek. My belief is that the most close modern dialect is the Cypriot since it's the most melodic and rhythmic.
Ω is the capital of ω, exactly the same letters, though ancient Greeks only used capital letters.
The Ω was pronounced a bit more deep in the throat, kind of like "ho", but that difference was more accented when the letter was used by itself as an article "Ω human", for example.
Still though there is no absolute knowledge for the exact pronunciation of any of the ancient Greek. My belief is that the most close modern dialect is the Cypriot since it's the most melodic and rhythmic.