Many international Blu-ray releases include multiple dubbed tracks. Check the back cover for audio languages. You can then to your computer (legal for personal backup in some countries) and keep the dual audio tracks in an MKV file. This gives you the “better better” quality — lossless audio and full 1080p video.
Here are some technical specifications for the dual audio download of Kingdom of Heaven: kingdom of heaven dual audio download better better
This DIY method guarantees an untampered, virus-free, full-quality video with flawless dual audio synchronization. kingdom of heaven dual audio download better better