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The DVD and Blu-ray discs hold a higher capacity of data, so reading or writing those discs in the same 74-minute time-frame requires a higher data transfer rate. Drive speed can be limited intentionally to reduce noise from the drive or slow down ripping, such as the firmware component Riplock.
The rotation speed of DVD at ×1 CAV (~580 rpm) is around three times as high as CD at ×1 (~200 rpm) Disc write time in table does not include overhead, leadout, etc. The following table describes the maximal speed of DVD-R and the relative typical write time for a full disc according to the reviews from cdrinfo.com and cdfreaks.com.
2× speeds are mandatory for all formats, with 4× and 6× being optional for non-XL BD-R media. Since BD-RE 5.0/BD-R 4.0, a read speed of 4× is mandatory for UHD support. [8] Note: If write verification is enabled, as it may be by default on some burning software, the write will take longer to complete.
The different methods put Blu-ray at a staggering advantage in the future, but currently 1x and 2x Blu-ray drives trudge along compared to a 12x DVD drive, which gathers information at a rate of 8 ...
The Zone-CLV recording strategy is easily visible after burning a DVD-R. Zoned constant linear velocity (ZCLV or Z-CLV) is a modification of CLV for high speed CD and DVD recorders where a constant linear velocity is maintained until the next zone, when the speed is stepped up. Early model recorders were CLV drives.
If the used media (e.g. DVD-RAM variants) has a linear (writing) speed limitation that can not be attained with physically supported angular (rotation) speeds at the inner edge of the recordable area, the disc writing can start off with a constant angular velocity, until the increasing linear velocity has reached the writing speed limitation of ...