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Asus 48x/16x/48x CD-RW Drive CRW-4816A User Manual page 13

Asus crw-4816a 48x/16x/48x cd-rw drive user's manual
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Partial Constant Angular Velocity (P-CAV) Recording Technology
The Partial Constant Angular Velocity (P-CAV) recording method is a
combination of the Constant Angular Velocity (CAV) and Constant Linear
Velocity (CLV) recording technologies. In CAV recording technology, the
drive maintains a consistent rotation speed which will result in a variable
transfer rate, while in CLV recording technology, the data transfer rate is
kept at a fixed level by changing the rotation speed.
P-CAV recording technology switches from CAV to CLV once the
maximum transfer rate is reached. Unlike Zone Constant Linear Velocity
(Z-CLV) recording, no links are produced in the P-CAV recording process,
resulting in a higher average transfer rate.
The following illustration compares the Partial Constant Angular
Velocity (P-CAV) and Zone Constant Linear Velocity (Z-CLV) recording
technologies.
Partial CAV vs. Zone CLV
Speed
48x
40x
32x
24x
20x
16x
8x
0x
Z-CLV
LEGEND: P-CAV
ASUS CRW-4816A User's Manual
P-CAV
Z-CLV
Time
13

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