IEC 62070 pdf download – Broadcast digital video tape recorders – Identification method for recording and/or reproduction error status
1 Scope
This International Standard specifies methods for indicating the record and/or reproductionerror status of broadcast-grade digital VTRs utilizing a Reed Solomon product error correctioncode. (This code is hereinafter referred to as RS.)
This standard also specifies methods of measuring the error rates in record and/orreproduction modes to indicate the error status.
The following two indicators are specified herein:
Go/No go indicator (hereinafter GNGI) for operational use.Error rate indicator (hereinafter ERl) for maintenance use.
NOTE This standard may be applicable to other digital television equipment using an RS product error correctioncode.
Normative references
The following normative documents contain provisions which，through reference in this text,constitute provisions of this International ‘Standard. For dated references，subsequentamendments to, or revisions of， any of these publications do not apply. However,parties toagreements based on this International Standard are encouraged to investigate the possibilityof applying the most recent editions of the normative documents indicated below.For undatedreferences, the latest edition of the normative document referred to applies. Members of lECand lso maintain registers of currently valid lnternational Standards.
IEC 60050(702):1992,International Electrotechnical Vocabulary (IEV) – Chapter 702: Oscilla-tions,signals and related devices
ITU-R Recommendation BT.601-5: Studio encoding parameters of digital television forstandard 4:3 and wide-screen 16:9 aspect ratios
3Terms and definitions
For the purpose of this International Standard, the following terms and definitions apply.
3.1 Definitions
3.1.1
bit (binary digit)
a number of a set of two elements used to represent information
IEC 62070 pdf download – Broadcast digital video tape recorders – Identification method for recording and/or reproduction error status
