Sony LDP-1500P Service Manual page 7

Comparison of Sony Videodisc Code Types
customer's creation
type
purpose location on disc capacity method encoding method
I. CAV Discs
Vertical blanking
(partial listing)
-frame number*
1) frame access all vertical blankings 00001 to 54000 not available added automatically dur-
(picture numbers)
ing mastering
-picture stop* 2) automatic stop on a designated vertical inter- up to 54000 list of time codes on a added during mastering
frame, during "play" and vals master tape to have stops
"slow" modes
-chapter n~mber
*
3) divide content into designated vertical blank-
00 to 79; min chapter=
list of first/last time added during mastering
chapters ings 30 tracks
codes on a master tape of
al I chapters
II. CLV Discs
Vertical blanking
-time code number time code access all vertical blankings 00 hr 00 mins 00 sec to 01 not available
added automatically dur-
hr 00 mins
ing mastering
-chapter number divide content into designated vertical blank- 00 to 79; minimum =30 list of first/last time added during mastering
chapters ings tracks codes on a master tape of
all chapters
Ill. CAV/CLV Discs
Vertical blanking
-Leap-in* 4) locate the beginning of designated vertical blank- not available added during mastering
the program on a disc ings
-Lead-out* 4)
locate the end of the pro-
designated vertical blank- not available
added during mastering
gram on a disc ings
1-3 1-4