1 Scope
This standard is applicable to the basic technical requirements, measurement methods and function inspection methods for the unidirectional transmission of high-definition digital cable television set top box, and also to any equivalent measurement method that can ensure the same measurement uncertainty. In case of dispute, this standard shall prevail.
This standard is applicable to the research and development, production and adoption of high-definition set top boxes.
2 Normative References
The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments (excluding any correction of) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest editions of the documents referred to apply.
GB 2312-1980 "Code of Chinese Graphic Character Set for Information Interchange--Primary Set"
GB 8898-2001 "Audio, Video and Similar Electronic Apparatus--Safety Requirements"
GB 13000.1 "Information Technology--Universal Multiple Octet Coded Character Set (UCS)--Part 1: Architecture and Basic Multilingual Plane"
GB 13837-2003 "Sound and Television Broadcast Receivers and Associated Equipment--Radio Disturbance Characteristics--Limits and Methods of Measurement"
GB/T 14960-1994 "Technical Requirements and Methods of Measurement of Infrared Remote Control Radiation Unit for Television Broadcast Receivers"
GB/T 17191.3-1997 "Information Technology--Coding of Moving Pictures and Associated Audio for Digital Storage Media at up to about 1.5Mbit/s--Part 3: Audio"
GB/T 17975.1-2000 "Information Technology--Generic Coding of Moving Pictures and Associated Audio Information--Part 1: Systems"
GB/T 17975.2-2000 "Information Technology--Generic Coding of Moving Picture and Associated Audio Information--Part 2: Video"
GB/T 17975.3-2002 "Information Technology--Generic Coding of Moving Picture and Associated Audio Information--Part 3: Audio"
GY/T 155-2000 "Video Parameter Values for the HDTV Standard for Production and Programme Exchange"
GY/T 170-2001 "Specification of Framing Structure Channel Coding and Modulation for Digital Cable Broadcasting System"
GY/Z 175-2001 "Specification of Conditional Access System for Digital Television Broadcasting"
GY/T 201-2004 "Specification for Data Broadcasting in Digital Television System"
GY/T 230-2008 "Specification of Service Information for Digital Television Broadcasting"
GY/T 231-2008 "Specification of Electronic Programme Guide for Digital Television Broadcasting"
3 Abbreviations
The following abbreviations are applicable to this standard.
AC3 Audio Coding version 3
ASI Asynchronous Serial Interface
BER Bit Error Rate
CA Conditional Access
CATV Community Antenna Television or Cable Television
CVBS Composite Video-Blanking-and-Sync
DVB Digital Video Broadcast
DVB-C DVB-Cable
DRA Digital Rise Audio
DTS Digital Theater System
EIT Event Information Table
EPG Electronic Programme Guide
FS Full Scale
HDMI High Definition Multimedia Interface
HDTV High Definition Television
IEEE Institute of Electrical and Electronics Engineers
MER Modulation Error Ratio
MPEG Moving Pictures Expert Group
MP@ML Main Profile at Main Level
MP@HL Main Profile at High Level
MUX Multiplex
NIT Network Information Table
NVOD Near Video on Demand
PAT Program Association Table
PCR Program Clock Reference
PID Packet Identifier
PMT Program Map Table
PSI Program Specific Information
QAM Quadrature Amplitude Modulation
RS Reed-Solomon
RS232 EIA Recommended Standard
SDT Service Description Table
SDTV Standard Definition Television
SI Service Information
S/PDIF Sony/Philips Digital Interface
SPI Synchronous Parallel Interface
STB Set-Top-Box
TDT Time and Date Table
TOT Time Offset Table
TS Transport Stream
USB Universal Series Bus
4 Technical Requirements
4.1 Structural requirements for appearance
