KS C IEC 62297-1-2011 Triggering messages for broadcast applications－Part 1：Format《广播用触发信息 第1部分 格式》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 62297 1 1：KS C IEC 62297 1:2011 2011 12 30 http:/www.kats.go.krKS C IEC 62297 1:2011 : ( ) ( ) ( ) : () : (http:/www.standard.go.kr) ： ：2011 12 30 2011-0701 ： ： ( 02-509-7262) (http:/www.kats.go.kr). 10 5 , . KS C IEC 62297 1:2011 i ii 1 1 2 1 3 , .

2、1 3.1 .1 3.2 .4 4 .4 4.1 .4 4.2 4 4.3 (syntax).7 A( ) 14 B( ) 15 18 1 TRIGGER_MESSAGE .8 2 TRIGGER_TEXT 8 1 5 2 6 3 .7 B.1 640480 16 KS C IEC 62297 1:2011 ii 2005 1 IEC 62297 1, Triggering messages for broadcast applicationsPart 1： Format . TV . A TV . TV . , , . . MPEG 2 DSM-CC . , (trigger) , TV .

3、 . KS C IEC 62297 2 . IEC/PAS 62292 . , (semantics) . KS C IEC 62297 1:2011 1： Triggering messages for broadcast applications Part 1： Format 1 , TV - . 2 . . ( ) . KS X ISO/IEC 8859 1, 8 1： 1 ETSI TS 101 231, Television systems; Register of Country and Network Identification(CNI), Video Programming

4、System(VPS) codes and Application codes for Teletext based systems ETSI EN 300 706, Enhanced Teletext Specification 3 , 3.1 . 3.1.1 (ActiveTimeValue) (ApplicationObject) . . (event message) . 3.1.2 (Application) (trigger message) URL . . a) , , b) , , ( Tw) , (EPG) KS C IEC 62297 1:2011 2 , , . 3.1.

5、3 (ApplicationObject) URL 3.1.4 (Attribute) (attribute element) (TriggerObject) 3.1.5 (attribute element) / 3.1.6 (attribute string) ( ) (0x5B 0x5D) 0x20 0x7E 3.1.7 (charset) (character set) 3.1.8 (CountdownValue) (TriggerObject) . . mes . 3.1.9 (DateTime) yyyymmddThhmmss UTC . yyyy , mm (1 12 ) , d

6、d (1 31 ) , T , hh (0 23 ) , mm (0 59 ) , ss (0 59 ) . 3.1.10 URL (Dummy URL) , ( ) URL URL 3.1.11 (event message) (trigger message) 3.1.12 (event start) start script 3.1.13 (event stop) stop script KS C IEC 62297 1:2011 3 3.1.14 (pending trigger) 3.1.15 (priority filtering) priority . 3.1.16 (Relat

7、iveTime) 3.1.17 (string) 0x20 0x7E . . 3.1.18 (trigger) 3.1.19 (trigger character) 0x20 0x7E 3.1.20 del (Trigger del) delete( ) 3.1.21 (trigger event) 3.1.22 mes (Trigger mes) delete( ) 3.1.23 (trigger message) 3.1.24 (TriggerObject) URL 3.1.25 trigger_text KS C IEC 62297 1:2011 4 3.1.26 URL () (0x3

8、C 0x3E) 0x20 0x7E 3.2 CNI Country and Network Identification URL Uniform Resource Locator UTC Coordinated Universal TimeVPS Video Programming System 4 4.1 4.1.1 . . 4.1.2 emergency , . emergency . . 4.1.3 KS X ISO/IEC 8859 1 0x20 0x7E . (“%”) 16 . % %25 . %5B, %5D . KS X ISO/IEC 8859 1 . . 4.1.4 , ,

9、 . 4.2 4.2.1 1 (URL) . . priority KS C IEC 62297 1:2011 5 . 0 priority , . (Event message preparation) (robustness) . . , , . , URL . 1 4.2.2 (Event message preparation) 2 . TriggerObject does not exist . delete , URL TriggerObject pending . URL . , 0 , URL . delete countdown , . . KS C IEC 62297 1:

10、2011 6 CREATE TO URL ADAPT TO URL DELETE TO URL CREATE EM CountdownValue 0 0 . 2 4.2.3 3 . ApplicationObject does not exist . . name , . , URL ApplicationObject active . URL . , ( ) expires ( ) active . , ApplicationObject terminated . , . . . KS C IEC 62297 1:2011 7 Expire condition expires . . exp

11、ires URL . Active condition 0 . Terminate condition . CREATE AO URL ADAPT AO URL DELETE AO URL TERMINATE AO URL 3 name , URL . name . . . 4.3 (syntax) 4.3.1 1 . KS C IEC 62297 1:2011 8 1 trigger_message trigger_message() trigger_text_length 2 trigger_text() trigger_text_length 4.3.2 trigger_text_len

12、gth trigger_text . , . 4.3.3 Trigger text 4.3.3.1 2 trigger_text . 2 trigger_text trigger_text() for (i 0; i 1: 1 2: 2 n: n 4.3.3.2 URL trigger_text URL . URL 2 . a) b) . . URL URL http:/ URI . URL URL lid:/ . URL DDE . KS C IEC 62297 1:2011 9 URL URL . tw:/service_name/filename.filetype#position ,

13、tw:/ URL service_name . filename . . , /home_page/news/ . (dot) . filetype . . #position . # . (anchorname) . URL . ttx:/cni/page_number/page_subcode , ttx:/ URL . cni (CNI) . CNI ETSI TS 101 231 . 4 16 . 3 VPS CNI , 0 . 0000 “ ” , . 8/30 1 16 NI . /page_number 0x100 0x8FF 3 16 ETSI EN 300 706 , 10

14、. 10 0xF . /page_subcode 0x0000 0x3F7F 4 16 ETSI EN 300 706 S4, S3, S2S1 . 0x3F7F . S2 0 7 , S4 0 3 . /page_subcode .KS C IEC 62297 1:2011 10 , . (rolling) . URL URL . name . URL name . . URL ( ) dummy . name:news 4.3.3.3 trigger_text , . . . . . . active:RelativeTime a:RelativeTime active . (offset

15、) , URL . , URL . 0 . expires active . ： , stop . active:120 120 . charset:string t:string name ( ) . KS X ISO/IEC 8859 1 . KS X ISO/IEC 8859 n(n 1,9), UTF 8 . name KS X ISO/IEC 8859 1 . , 0x200x7E ASCII , . KS C IEC 62297 1:2011 11 countdown:RelativeTimec:RelativeTime . , . 0 . ： . countdown:F19 19

16、 . , . . delete:void d:void delete . . ： , . delete: . expires:DateTime e:DateTime expires , URL . URL . active . ： , . expires:20000621T1700 2000 6 21 17:00 UTC . . , ( ) yyyymmdd ( ) yyyymmddThhmm . , . 0 . name:string n:string name . . . B . B.8 . KS C IEC 62297 1:2011 12 . . 20 . ： , URL . name:

17、Weather name:Subtitles page 888 priority:value p:value priority . . 10 4 . a) 0 b) 1 2 c) 3, 4 5 d) 6, 7, 8 9 ： , 9 . priority:3 script:string s:string script URL script . ECMAScript ECMAScript . script . 2 . script:start URL . script:stop URL . ： , script:start . script:frame1.src ”http:/ HTML URL . . Fff, s, sFff, ss, ssFff, sss, sssFff, ssss ssssFff , s , f