The physical format of the GAME-CD for this game console conforms to the Semi CD-ROM XA standard.
As a result, interleaved recording, which previously depended on applications, can now be implemented as a system, making it easier to play back images and audio in parallel.
"Semi CD-ROM XA": CD-ROM XA
with Model 1 track
1.2 Disc size and recording time
Only 12cm CD can be produced. 8cm GAME-CD cannot be produced.
∙ To avoid trouble, the start time of the lead-out area is limited to the following range.
First LSN (# 0) time Last LSN (~ # 283499) time Leadout area start time
00:02 : 00 ~ 63: 01: 74 ~ 63: 04: 00
Therefore, the maximum recording time is 63 minutes.
* Multi-session is not available.
1.3 Linear velocity and track pitch
GAME-CD's linear velocity and track pitch are fixed to the following values in order to improve track jump accuracy and increase seek speed.
Linear velocity Track pitch
1.25 m / sec 1.6 μm
1.4 Disc format
The disc format conforms to the following standards.
Physical format: Sony and PHILIPS CD standards "RED BOOK", "YELLOW BOOK", "CD-ROM XA"
Logical format: ISO9660
MPEG format: ISO11172
1.5 Track layout
The inner circumference side is the CD-ROM area and the outer circumference side is the CD-DA area.
1.6 Sector structure
The
sector has Mode2 Form1 and Mode2 Form2 with subheaders in addition to the existing Mode1. Various interleaved records using file numbers and channel numbers are possible.