ATSC Standard
Advanced Televisions Systems Committee (ATSC) is high definition digital television standard for North American market. OpenCable is set of specifications by CableLabs to define the next-generation of advanced digital cable-ready devices for digital cable services and systems. Wipro offers field proven ATSC and Open Cable stacks to its customers to address the highly dynamic North American Digital TV market. The stacks are very stable and have been licensed to multiple customers. The stacks are very modular and built with hardware and operating system abstraction layers. This enables the stacks to be platform independent and easy to port across the platforms. The stacks come with well documented Porting/Integration guide and API documentation.

Wipro’s ATSC Stack

Wipro’s ATSC stack has the following core components:

• Database
  
  • Complete database for ATSC-Terrestrial & Cable, NTSC and OpenCable
  • Manage Favorite channels, factory settings, last watched channel settings, multi-lingual OSD, Channel information, Box information, Frequency information and Event information
  • Add/Modify/Delete records in SDRAM/Flash
  
  
• Database Builder
• Monitors all the tables
• Updates Flash and SDRAM database
• Version change indication is sent to Application to take further action.


• PSIP Parser [A65/B]
  • Parses all tables per A/65
  • Provides APIs for accessing PSIP data
  
  
• Closed Caption [EIA-608, 708 & 608 Trans-coded]
  
  • Closed Caption decoder is efficient manages the sequence and display order
  • upports multi-instancing
  
  
• Teletext
• Complete software solution for Teletext Level 1
• Caching of pages for faster search


• DCCR [A65/B]
  
  • Provides Directed Channel Change support according to user’s demographic, location, category selection. Channel can be tuned based on eight category selected by user
  • Viewer-Direct-Select-Persistence is supported

• Parental Control [CEA 766A]
  
  • Process RRT based on this standard in accordance with ATSC A/65B