Testing 608 and 708 Closed Caption Streams - PowerPoint PPT Presentation

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Title:

Testing 608 and 708 Closed Caption Streams

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7. MPEG. DVB. ATSC. DTV. HDTV. SDTV. MPEG. Analog 608 CC. Field-1 ... Multiple windows (7) Many effects. Drop shadow. Translucent. Different types of borders. ... – PowerPoint PPT presentation

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Title: Testing 608 and 708 Closed Caption Streams


1
Testing 608 and 708 Closed Caption Streams
  • By Stephane Billat
  • Application Engineer
  • Sencore Inc

2
The CC Technical Challenge
  • Insert Closed Caption into ATSC Streams and
    recover them for use on ATSC compatible displays

3
The CC Technical Challenge
  • Insert Closed Caption into ATSC Streams and
    recover them for use on ATSC compatible displays
  • Problem ATSC CC is new, powerful, complex, has
    almost unlimited combinations.

4
The CC Technical Challenge
  • Insert Closed Caption into ATSC Streams and
    recover them for use on ATSC compatible displays
  • Problem ATSC CC is new, powerful, complex, has
    almost unlimited combinations.
  • Solution Need for independent testing

5
CC in the ATSC Stream
6
Analog 608 CC
  • Field-1 / Channel-1 services
  • CC1Primary caption service
  • CC2Special non-sync caption service

7
Analog 608 CC
  • Field-1 / Channel-1 services
  • CC1 Primary caption service
  • CC2 Special non-sync caption service
  • T1 First text service 15-row text box over all
    screen
  • T2 Second text service (WEB TV)
  • T2 in field-1 is also used for the EIA-746
  • transmission of Web Url www.sencore.com.

8
Analog 608 CC
9
Analog 608 CC
  • Field-2 / Channel-2 services
  • CC3 Alternative language-1
  • CC4 Alternative language-2

10
Analog 608 CC
  • Field-2 / Channel-2 services
  • CC3 Alternative language-1
  • CC4 Alternative language-2
  • T3 Third text service unused at present
  • T4 Fourth text service unused at present
  • XDS

11
Analog 608 CC features
  • Roll Up
  • Pop on
  • Background color
  • Few special effect
  • Limited in bandwidth

12
Analog 608 CC
13
Digital 708 CC Features
  • Multiple windows (7)
  • Many effects
  • Drop shadow
  • Translucent
  • Different types of borders.
  • Pen types
  • Fonts
  • Languages

14
Digital 708 CC
15
Digital 708 CC
16
708 Window Definition View
17
708 Window Style View
18
708 Pen Style View
19
CC logs creation
20
Other Features
  • Select display mode in presentation or decode
    order.
  • Useful in establishing delay in the insertion
    its relation to the picture.

21
Conclusion
  • CC708 includes 608 and new CC

22
Conclusion
  • CC708 includes 608 and new CC
  • Challenge Insertion into ATSC Stream

23
Conclusion
  • CC708 includes 608 and new CC
  • Challenge Insertion into ATSC Stream
  • Need for CC independent testing

24
For More Information
  • Side of the room demo of
  • Analysis CC stream
  • Or
  • Contact Stephane Billat
  • 1-800-SENCORE x279
  • Stephaneb_at_sencore.com
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