ECMA 330 : 3ED 2005

Section 1 - General
1 Scope
2 Conformance
   2.1 Optical Disk
   2.2 Generating system
   2.3 Receiving system
3 References
4 Definitions
   4.1 Case
   4.2 Channel bit
   4.3 Digital Sum Value (DSV)
   4.4 Disk Reference Plane
   4.5 Dummy substrate
   4.6 Embossed mark
   4.7 Entrance surface
   4.8 Land and Groove
   4.9 Mark
   4.10 Phase change
   4.11 Polarization
   4.12 Recording layer
   4.13 Sector
   4.14 Space
   4.15 Substrate
   4.16 Track
   4.17 Track pitch
   4.18 ZCLV
   4.19 Zone
5 Conventions and notations
   5.1 Representation of numbers
   5.2 Names
6 List of acronyms
7 General description of the optical disk
8 General requirements
   8.1 Environments
         8.1.1 Test environment
         8.1.2 Operating environment
         8.1.3 Storage environment
         8.1.4 Transportation
   8.2 Safety requirement
   8.3 Flammability
9 Reference Drive
   9.1 Optical Head
   9.2 Read channels
   9.3 Rotation speed
   9.4 Disk clamping
   9.5 Normalized servo transfer function
   9.6 Reference Servo for axial tracking
   9.7 Reference Servo for radial tracking
Section 2 - Dimensional, mechanical and physical
            characteristics of the disk
10 Dimensional characteristics
   10.1 Overall dimensions
   10.2 First transition area
   10.3 Second transition area
   10.4 Clamping Zone
   10.5 Third transition area
   10.6 Rim area
   10.7 Remark on tolerances
   10.8 Label
11 Mechanical characteristics
   11.1 Mass
   11.2 Moment of inertia
   11.3 Dynamic imbalance
   11.4 Sense of rotation
   11.5 Runout
         11.5.1 Axial runout
         11.5.2 Radial runout
12 Optical characteristics
   12.1 Index of refraction
   12.2 Thickness of the transparent substrate
   12.3 Angular deviation
   12.4 Birefringence of the transparent substrate
   12.5 Reflectivity
Section 3 - Format of information
13 Data format
   13.1 Data Frames
         13.1.1 Data ID
         13.1.2 Data ID Error Detection code (IED)
         13.1.3 Reserved bytes
         13.1.4 Error Detection Code (EDC)
   13.2 Scrambled Frames
   13.3 ECC Blocks
   13.4 Recording Frames
   13.5 Recording code and NRZI conversion
   13.6 Recorded Data Field
   13.7 DC component suppress Control (DCC)
         13.7.1 DCC for the data in the Rewritable Area
         13.7.2 DCC for the data in the Embossed Area
         13.7.3 PID and PED recording
14 Track format
   14.1 Track shape
   14.2 Track path
   14.3 Track pitch
   14.4 Track layout
   14.5 Rotation speed
   14.6 Radial alignment
   14.7 Sector number
15 Sector format
   15.1 Sector layout
         15.1.1 Sector layout in the Rewritable Area
         15.1.2 Sector layout in the Embossed Area
   15.2 VFO fields
   15.3 Address Mark (AM)
   15.4 Physical ID (PID) fields
   15.5 PID Error Detection code (PED) fields
   15.6 Postamble 1 and Postamble 2 (PA 1, PA 2) fields
   15.7 Mirror field
   15.8 Gap field
   15.9 Guard 1 field
   15.10 Pre-Synchronous code (PS) field
   15.11 Data field
   15.12 Postamble 3 (PA 3) field
   15.13 Guard 2 field
   15.14 Recording polarity randomization
   15.15 Buffer field
16 Format of the Information Zone
   16.1 Division of the Information Zone
   16.2 Lead-in Zone
         16.2.1 Structure of Lead-in Zone
         16.2.2 Initial Zone
         16.2.3 Reference Code Zone
         16.2.4 Buffer Zone 1
         16.2.5 Buffer Zone 2
         16.2.6 Control Data Zone
         16.2.7 Connection Zone
         16.2.8 Guard Track Zones 1 and 2
         16.2.9 Disk Test Zone
         16.2.10 Drive Test Zone
         16.2.11 Disk Identification Zone
         16.2.12 DMA 1 and DMA 2
   16.3 Data Zone
         16.3.1 Structure of Data Zone and of the Defect
                 Management Areas (DMAs)
         16.3.2 Guard Track Zones
         16.3.3 Partitioning
         16.3.4 Number of blocks in the supplementary spare
                 area
   16.4 Lead-out Zone
         16.4.1 Structure of Lead-out Zone
         16.4.2 DMA 3 and DMA 4
         16.4.3 Reserved Zone
         16.4.4 Guard Track Zone 1
         16.4.5 Drive Test Zone
         16.4.6 Disk Test Zone
         16.4.7 Guard Track Zone 2
17 Defect management
   17.1 Defect Management Areas (DMAs)
   17.2 Disk Definition Structure (DDS)
   17.3 Spare sectors
   17.4 Slipping Algorithm
   17.5 Linear Replacement Algorithm
   17.6 Primary Defect List (PDL)
   17.7 Secondary Defect List (SDL)
   17.8 Formatting of the disk
         17.8.1 Initialization
         17.8.2 Re-initialization
         17.8.3 Data field number resulting from
                 Initialization and Re-initialization
   17.9 Write procedure
   17.10 Read procedure
         17.10.1 Read procedure
         17.10.2 Blank ECC Block
Section 4 - Characteristics of embossed information
18 Method of testing
   18.1 Environment
   18.2 Reference Drive
         18.2.1 Optics and mechanics
         18.2.2 Read power
         18.2.3 Read channels
         18.2.4 Tracking channel
         18.2.5 Tracking
   18.3 Definition of signals
19 Signals from lands and grooves
   19.1 Push-pull signal
   19.2 Divided push-pull signal
   19.3 On-track signal
   19.4 Phase depth
   19.5 Wobble signal
20 Signals from Header fields
   20.1 VFO 1 and VFO 2
   20.2 Address Mark, PID, PED and Postamble
   20.3 Signals from Header 1, Header 2, Header 3 and
         Header 4
   20.4 Phase depth
21 Signals from Embossed Area
   21.1 High Frequency (HF) signal
         21.1.1 Modulated amplitude
         21.1.2 Signal asymmetry
         21.1.3 Cross-track signal
   21.2 Jitter
   21.3 Servo signal
         21.3.1 Differential phase tracking error signal
         21.3.2 Tangential push-pull signal
Section 5 - Characteristics of the recording layer
22 Method of testing
   22.1 Environment
   22.2 Reference Drive
         22.2.1 Optics and mechanics
         22.2.2 Read power
         22.2.3 Read channel
         22.2.4 Tracking
   22.3 Write conditions
         22.3.1 Write pulse
         22.3.2 Write power
         22.3.3 Adaptive write control table
         22.3.4 Adaptive write pulse control mode
   22.4 Definition of signals
23 Write characteristics
   23.1 Modulated amplitude and Signal asymmetry
   23.2 Jitter
Section 6 - Characteristics of user data
24 Method of testing
Annex A (normative) Measurement of the angular deviation
                      alpha
Annex B (normative) Measurement of birefringence
Annex C (normative) Measurement of the differential phase
                      tracking error
Annex D (normative) Reflectivity calibration and measuring
                      method
Annex E (normative) Tapered cone for disk clamping
Annex F (normative) Measuring conditions for the operation
                      signals
Annex G (normative) 8-to-16 Recording code with RLL (2,10)
                      requirements
Annex H (normative) Definition of the write pulse
Annex J (normative) Burst Cutting Area (BCA)
Annex K (informative) Guideline for randomization of the
                      Gap length, the Guard 1 length and
                      the recording polarity
Annex L (informative) Transportation
Annex M (informative) Guideline for sector replacement

Describes the mechanical, physical and optical characteristics of an optical disk, identified as DVD Rewritable Disk (DVD-RAM), to enable interchange of such disks. Specifies the quality of the recorded signals, the format of the data and the recording method, thereby allowing for information interchange by means of such disks.