JVC XV-BP1 does not accept the BD-R. Samsung takes on the BD-R and plays at first from properly - after a short time there is increasing Tönstörungen. Both BR player have the latest software. The BD-R written with 2x speed. Unfortunately, the BD-R has a golden color in the reading area that seems to cause trouble - because all other BD-R with other colors were previously thought normal and given back. Tip always write slowly then you barely failures.