DISC
RECORDING SURFACES
1
DISC DIAMETER
120 mm or 80 mm
DISC CENTER HOLE
15 mm diameter
THICKNESS
1.2 mm
TRACK PITCH
1.6 microns (15,875 TPI), typical
SCANNING VELOCITY
1.2 ~ 1.4 meters/sec (Normal Speed)
ROTATION SPEED
Varies over radius.
~535 to 198 rpm (Normal Speed). Variable
LATENCY (AVERAGE)
~55 to 150 msec (Normal Speed), Variable
BLOCKS/ROTATION
~9.1 to 21.1 blocks/rotation , Variable
2.3 PERFORMANCE
2.3.1 DVD MODES AND BLOCK LENGTH SUPPORTED
2.3.1.1 DVD READABLE FORMAT, MODES AND BLOCK LENGTH SUPPORTED
a)
Format and Modes Support ed
DVD-Video(8cm/12cm, Single and Dual Layer), DVD-ROM(8cm/12cm, Single and Dual Layer),
Multi-Boader, Multi-Session
b)
Block Length Supported
2048 bytes/sector
2.3.1.2 DVD WRITABLE FORMAT, MODES AND BLOCK LENGTH SUPPORTED
a)
Format and Modes Supported
DVD-Video, DVD-ROM, Multi-Boader(DVD-R/-RW), Multi-Session(DVD+R/+RW)
b)
Block Length Supported
2048 bytes/sector
2.3.2 DVD WRITE METHOD SUPPORTED
a)
Uninterrupted Write
Disc at once
b)
Interrupted Write
Incremental(DVD-R/-RW)
Multi-Border(DVD-R/-RW)
Random write(DVD+R/+RW)
Sequential write(DVD+R/+RW)
Restricted overwrite (DVD-RW)
2.3.3 DVD WRITABLE MEDIA
a)
DVD-R Media (4x/2x, 4.7GB For General DISC)
Mitsubishi (Verbatim), Taiyo-Yuden, PVC, Fuji Film, Ritek
b)
DVD-RW Media (2x/1x)
JVC, Pioneer, Mitsubishi (Verbatim), TDK
c)
DVD+R Media (4x/2.4x)
RICOH, Mitsubishi (Verbatim), Taiyo-Yuden, Sony
d)
DVD+RW Media (2.4x)
RICOH, Mitsubishi (Verbatim), TDK
e)
DVD-RW/+RW Rewrite
1000 times
