OS GSO IEC 61834-8:2014
IEC 61834-8:2001
Omani Standard
Current Edition
·
Approved on
25 December 2014
Recording - Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) - Part 8: PALplus format for the 625-50 system
OS GSO IEC 61834-8:2014 Files
English
25 Pages
Current Edition
Reference Language
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OS GSO IEC 61834-8:2014 Scope
This part of IEC 61834 is an extension of the SD specification (SD mode) and covers the features necessary to enable a DVCR to record and reproduce PALplus signals. While all DVCRs must have the capability of recording and/or playback in SD (SP) mode, PALplus capability is optional.
For this Part 8, the data structure of a track is defined by APT = 000b which consists of four areas as described in 4.3.2 in IEC 61834-1 and AP1 = AP2 = AP3 = 000b. There are two methods for recording the PALplus signal on a DVCR:
- method 1: record the partially encoded PALplus signal;
- method 2: record the completely decoded PALplus signal.
This part is concerned with "Method 1" (baseband helper recording) as this requires an extension to the DVCR SD specification IEC 61834-2.
For "Method 2" the DVCR is equipped with a built-in PALplus decoder and the SD specification IEC 61834-2 applies unchanged.
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