Sony RDR-GX7 Technical Notes page 9

At present, these are the physical, logical and application combinations mainly used in home-use DVD recorders.
Ordinary name
Format name
Number of recording cycles
Recording material
Capacity (12 cm disc)
Playback laser wavelength
Recording laser wavelength
Lens aperture value (NA value)
Physical format
Recording tracks
Track pitch
Shortest mark length
Sector placement
Addressing
Reflection ratio
Maximum transmission
1 2
rate (speed)* *
Cartridge
Logical format Format name
Application format Format name
DVD player playback
compatibility
Finalization
Features* 2
On-disc editing
Simultaneous recording of
bilingual broadcasts in one stream
Copy-once content recording
1: The maximum data transmission rate will vary depending upon the specific combination of media and hardware.
2: High-speed recording is now being considered for each recording format.
Note: The above mentioned functions can be performed in this format. However, the functions actually provided on each recorder will differ.
DVD-Video DVD-R
DVD-ROM DVD-R
Write once
Not possible
(additional rec. possible)
Organic dye
Single side Single layer:
4.7 Gbytes Single side:
Single side Dual layer: 4.7 Gbytes
8.54 Gbytes
645 - 655 nm 650 nm / 635 nm
650 nm
0.6 0.6
Pit Groove
0.74 m 0.74 m
0.4 m 0.4 m
CLV CLV
Wobble
Pit
Land Pre Pit
Single layer: 45 to 85%
45 to 85%
Dual layer: 18 to 30%
11.08 Mbps (x1)
11.08 Mbps
44.32 Mbps (x4)
None None
UDF Bridge UDF Bridge
DVD-Video DVD-Video
Good
Required
Low
No
Not available
DVD-RW
DVD-RW
Re-writable
(approx. 1,000 times) (additional rec. possible)
Phase changing material
Single side: 4.7 Gbytes
650 nm / 635 nm
650 nm / 635 nm
0.6
Groove
0.74 m
0.4 m
CLV
Wobble
Land Pre Pit
18 to 30%
11.08 Mbps (x1)
22.16 Mbps (x2)
None
UDF Bridge UDF Ver. 2.00
DVD-Video DVD Video Recording (VR)
Fair
Good Only machines with
VR playback
Required Not required
Low High
No Yes
Not available Yes
DVD+R DVD+RW
DVD+R DVD+RW
Write once Re-writable
(approx. 1,000 times) (approx. 100,000 times)
Phase changing
Organic dye
material
Single side: Single side:
4.7 Gbytes 4.7 Gbytes
650 - 665 nm 650 - 665 nm
650 - 665 nm 650 - 665 nm
0.65 0.65
Groove Groove
0.74 m 0.74 m
0.4 m 0.4 m
CLV CLV
Wobble Wobble
ADIP (Wobble) ADIP (Wobble)
45 to 85% 18 to 30%
26.8 Mbps (x2.4) 26.8 Mbps (x2.4)
None None
UDF Bridge UDF Bridge
DVD+RW Video DVD+RW Video DVD Video Recording (VR)
Good Good Only machines with
Not required
Required
(Auto Finalizing)
Low Mid
No No
Not available yet Not available yet
DVD-RAM
DVD-RAM
Re-writable
Phase changing
material
Single side:
4.7 Gbytes
Double side:
9.4 Gbytes
650 nm
650 nm
0.6
Land & Groove
0.615 m
0.42 m
Zoned CLV
PID (Pit)
15 to 25%
22.16 Mbps (x2)
Type 1: Yes
Type 2: No
UDF Ver. 2.00
Fair
RAM playback
Not required
High
Yes
Yes
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