GB/T 26270-2010Standard test signals for digital television receiving equipment (English PDF)

National Standard of the People's Republic of China

ICS

33.160.25

Classification

M 74

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

• Introduction
• 1 Scope
• 2 Normative references
• 3 Terms and definitions, abbreviations
• 3.1 Terms and definitions
• 3.2 Abbreviations
• 4 3 General requirements
• 4.1 digital video test signal
• 4.2 Digital audio test signal
• 4.3 Digital video elementary stream
• 4.4 digital audio elementary stream
• 4.5 4 transport stream
• 4.6 Business Information Flow
• 5 video test signal
• 5.1 Overview
• 5.2 Test Compound
• 5.3 7 color bar signal
• 5.4 brightness variable all-white field, all gray and black farm field signal
• 5.5 Limit eight gradation signal
• 5.6 white window signal
• 5.7 black window signal
• 5.8 10 black and white window signal
• 5.9 checkerboard signal
• 5.10 Graphics and white grid pattern signal 12 Haig
• 5.11 12 signal lines and windows
• 5.12 composite sine wave signal
• 5.14 sweep
• 5.15 2T pulse and bar signal
• 5.16 50Hz horizontal bar signal
• 5.17 ladder and signal average picture level (APL) variable staircase signal
• 5.18 brightness, color uniformity test signal
• 5.19 White narrow window signal
• 5.20 single-pixel signal
• 5.21 with A, all-white field area B, all gray and black farm field signal
• 5.23 Full Red Square, all green field and blue full-field signals
• 5.24 zone A, the whole Red Square area B, all green field and blue full-field signals
• 5.25 trailing time test signal
• 5.26 sync audio and video test signals
• 5.27 luminance and color difference signals coincide test signal
• 5.28 image format test signal
• 6 audio test signal
• 6.1 single audio signal
• 6.2 audio sweep signal
• 6.3 low-frequency enhancement channel sweep
• 6.4 mono single audio stream
• 6.5 pairs of single-channel audio stream
• 6.6 string left and right channel audio stream 19 single
• 6.7 Right single string left channel audio stream
• 6.8 mono audio sweep stream
• 6.9 pairs of channel audio sweep stream
• 6.12 mixed stereo (Lo/Ro) test stream
• 6.13 mixed stereo (Lt/Rt) test stream
• 7 test signal 20 business information
• 7.1 Business information table
• 7.2 program association table (PAT)
• 7.3 Program Map Table (PMT)
• 7.4 Network Information Table (NIT)
• 7.5 Service Description Table (SDT)
• 7.6 Event Information Table (EIT)
• 7.7 Time and Date Table (TDT)
• 7.8 Interval
• Appendix A (normative) paragraph (section)
• Appendix B (normative) descriptor (descriptor)
• Annex C (informative) composite sample test chart
• Annex D (informative) brightness, color uniformity test signal
• Annex E (informative) with A, all-white field area B, all gray and black farm field signal
• Annex F (informative) with A, the whole Red Square area B, all green field and blue full-field signals
• Annex G (informative) trailing time test signal sample