GB/T 2097-2012Test charts for analog colour television broadcasting (English PDF)

Foreword

This standard rule according to GB/T 1.1-2009 given draft.

This standard replaces GB 2097-1997 "color television test pattern", compared with GB 2097-1997 The main changes are as follows.

--- Original standard 6.1.1 Vertical border guard textual description of the "width --- 1.66µs;" read. "Width --- 1.66µs (excluding Including white line); ";

--- Original standard 6.1.1 Vertical border guard textual description of "a high degree --- 16 top row, middle row block 40 black, 44 white block row. (13), the bottom 15 lines, totaling 575 line "with the words." Highly --- the top 16 lines (including below the white line), intermediate black block 40 lines (7), the white line block 44 (6), the bottom 15 lines (including the white line above it), a total of 575 lines. ";

--- 6.1.1 original standard level textual description of the border guard "height --- the top 14 lines, 13 lines the bottom;" read. "height --- The top line 14 (not including the white line), the bottom 13 rows (not including the white line); ";

--- 6.1.1 original standard level textual description of the border guard "width --- both sides 1.775µs, intermediate 2.85µs ± 0.23µs. (17), a total of 52µs "read." The width of each side --- 1.89µs (including white line), intermediate black block 2.62µs (9 Ge), white Block 3.08µs (8 Ge), a total of 52µs ".;

--- Original standard text 6.3.2.3.1 Description "contains five high line 63 1.8,2.8,3.8,4.8,5.625MHz;. 140,. 220,300,380,450 line "to read." contains five high frequency line 63, respectively 1.8 MHz (140 TV lines).

2.8MHz (218 TV lines), 3.8MHz (296 TV lines), 4.8MHz (374 TV lines) and 5.625MHz (439 electricity Line of sight). ";

--- Subject to the standard and scope of qualified by the "color television test pattern" to "analog color television broadcasting test Map "to distinguish digital TV broadcast test pattern.

1 Scope

This standard specifies a variety of graphics, technical requirements and uses an analog color television test pattern contains.

This standard applies to television broadcast system in line with our television center, launch pad, analog cable television station broadcast color television test FIG signal generator and a television audience correctly adjust color television receiver.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 3175.3-1987 transmissive color bar test pattern

GB/T 3175.4-1987 transmissive color test chart

GY/T 127-1995 central, provincial, autonomous regions and municipalities radio and television codes

3 Uses

The main criteria for analog color television center station, the transmitting station broadcast programs using this standard can intuitively estimate of analog broadcast TV Quality systems and television receivers, television viewers can be used in this standard will adjust the receiver to the satisfaction of viewing state.

4 Standard pattern

Analog color television broadcast standard test chart pattern shown in Figure 1.