2015-11-28, 15:33
Just curiosity because the Bluray UltraHD specs are higher than 120mbps..
From bluray white paper specs (August 2015)
Several physical reading speeds are selectable by drive according to content’s required data transfer rate.
The allowable Transfer Rate (TR) that are specified for various disc capacity types are as follows:
- For 50 GB disc: 72 Mbps (Low TR option) and 92 Mbps (default TR) are specified.
1 - For 66 GB & 100 GB disc: 92 Mbps (Low TR option), 123 Mbps (default TR) and 144 Mbps* (High TR option) are specified.
Note: *1: A portion of the capacity in the inner radius have same transfer rate as default TR, in order to keep disc rotation speed within 5000 rpm.
From bluray white paper specs (August 2015)
Several physical reading speeds are selectable by drive according to content’s required data transfer rate.
The allowable Transfer Rate (TR) that are specified for various disc capacity types are as follows:
- For 50 GB disc: 72 Mbps (Low TR option) and 92 Mbps (default TR) are specified.
1 - For 66 GB & 100 GB disc: 92 Mbps (Low TR option), 123 Mbps (default TR) and 144 Mbps* (High TR option) are specified.
Note: *1: A portion of the capacity in the inner radius have same transfer rate as default TR, in order to keep disc rotation speed within 5000 rpm.
