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3.
Formats Concerning DVD (DVD-RAM/DVD-R Discs)
The contents in this section are correct as of March 2002.
3.1 Formats for DVD-RAM/DVD-R Discs
(1) Overview
DVD discs can be divided into DVD-RAM, DVD-R, DVD-Video, DVD-Audio, DVD-ROM and DVD-RW. The format for each
type is stipulated in format books defined by DVD Forum (*1). Each time format articles are added or changed, the books
versions are also changed. The following diagram shows the overview of formats of DVD-RAM (*2) and DVD-R (*3) discs that
can be used on this DVD video camera/recorder:
*1: DVD Forum is an international organization that
rules on technical specifications of DVD format.
*2: Use 8 cm discs for AV (discs on which "For Video",
etc. is specified), which is suitable for video
recording, on this DVD video camera/recorder.
*3: DVD-R disc has two formats – DVD-R for
General (for home use) and DVD-R for Authoring
(for professional use).
Use an 8 cm "DVD-R for General" disc for AV
(discs on which "For Video", etc. is specified),
which is suitable for video recording, on this DVD
video camera/recorder.
(2) Specifications
Item
Format version
DVD-RAM Ver. 2.1
Diameter of medium
8 cm
Cartridge
Capacity (per side)
1.46 Gbytes
Number of times
rewritable
Laser wavelength (NA)
Recording format
Track format
Track pitch
Data recording bit length
Sector size
Modulation scheme
Error correction format
Recording rate
*4: Note the following three types of 12 cm DVD-RAM disc depending on whether the cartridge is provided or not, and usable
status with or without cartridge:
Type 1 (with cartridge, usable only when cartridge is in)
Type 2 or 4 (with cartridge, usable both when cartridge is in and when it is removed)
Non-cartridge (without cartridge)
The 8 cm DVD-RAM disc can be used both with cartridge in and with cartridge removed, the same as DVD-RAM Type
2 or 4.
*5: When using DVD-R disc on this DVD video camera/recorder, insert disc into caddy.
1 - 6
12 cm DVD-RAM
8 cm DVD-RAM
(reference)
DVD-RAM Ver. 2.1
12 cm
Provided (*4)
4.7 Gbytes
At least 100,000
650 nm (0.6)
Mark edge recording
Wobble land groove
0.615 µm
0.28 µm
2048 bytes
8/16 modulation
RSPC (Read Solomon Product Coding)
22.16 Mbps
DVD
DVD-RAM
(Digital Versatile
Disc)
DVD-R
DVD-Video
DVD-Audio
DVD-ROM
DVD-RW
8 cm DVD-R
DVD-R for General Ver. 2.0
8 cm
Not provided (*5)
Approx. 1.46 Gbytes
Mark edge recording
RSPC (Read Solomon Product Coding)
Version 2.0
Version 2.1
4.7GB
4.7GB/1.46GB
DVD-RAM
DVD-RAM
(12cm/8cm)
(12cm)
Version 1.0
2.6GB
DVD-RAM
(12cm)
DVD-R for General
Version 2.0
4.7GB/1.46GB
DVD-R
(12cm/8cm)
DVD-R for Authoring
Version 1.0
Version 2.0
3.95GB
4.7GB
DVD-R
DVD-R
(12cm)
(12cm)
12 cm DVD-R
(reference)
12 cm
Not provided
4.7 Gbytes
Write-once only
650 nm (0.6)
Wobble groove
0.74 µm
0.27 µm
2048 bytes
8/16 modulation
26.16 Mbps
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