Not sure what you mean. Roku is not a DVD player. It's an internet streaming device.
It outputs up to 1080p HD, depending on the model. The Netflix channel on Roku provides closed captioning on many, but not all movies and shows.
No, I don't work for Roku.
OTA Antenna, "Netflix Player" N1000X, XDS 2100X (premature death by lightning)
Roku2 XD 3050X, Roku2 XS 3100R