The blue ray recorders are 'hi-vision' encoded recording devices that incorporate 24 picture frames per second.
There are different types of blue-ray recorders having the same MPGE-2compression standard as DTV and are of global standards. The recorders can handle increased amount of data and provide high definition video.
The data transfer rate is 36Mbps, which is considered adequate for recording and playing back digital high definition broadcasts. The original picture quality is maintained during recording.
It is possible to play pre recorded Videos while the recoding high definition video is in progress.
The blue –ray recorders are small and compact in size with capacities ranging from 500GB to 250 GB.
The recorders can write to BD-R/RE discs in addition to old formats such as DVD etc.
Recordings can be done up to 4.5 hours of digital HD programming or more than 60 hours of analogue programming