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Imagine Communications - Nexio® Digital Turnaround Processor™
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Compressed Domain Processing Digital Turnaround Processor

Model: Nexio® Digital Turnaround Processor™
  • DTP Software
  • Frame accurate splicing of MPEG-2 SD or HD programs
  • Complete MPEG-2 stream processing for all 4:2:0 color space, emission-compliant formats including 720p, 1080i and 1080p format HD
  • Still logos through multiformat image files where the alpha channel determines transparency
  • Animated graphics and logos through frame-by-frame multiformat image sequences
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The Nexio® Digital Turnaround Processor™ (DTP) line represents the latest generation in the Imagine Communications compressed domain processing family of products, leveraging years of development and on-air experience.

The DTP aims to help broadcasters avoid decoding and re-encoding emission-level programs, thereby saving capital and operational costs, while still allowing the broadcaster to offer locally relevant content and services. An all compressed-domain approach optimizes video quality by preserving original encoder decisions as much as possible, while meeting the local station’s unique operating environment and business demands.

Now, in addition to grooming (add/dropping), splicing/switching and statistically multiplexing individual programs within single- or multiple-program transport streams, broadcasters can offer the following localization services through deployment of the DTP.

Processing MPEG-2 Programs

  • Frame-accurate ‘ad-insertion’ and program playback within network feeds
  • Local station branding through logo overlays
  • Local emergency alert systems (EAS), including text crawls and audio switchovers, to comply with government regulations and to provide better local community service
  • Trans-rate programs from different origination points into a compliant multi-program output
  • Community outreach with localized message crawls (e.g., weather and news alerts, etc.)
  • Overlay advertising - via animated graphics - on program video or national ads to burn in localized messages. This allows local ad revenue generation without the cost of full audio/video ad spot creation.

    MPEG-2 Logo Overlay, Including Motion Logos
    Station identity is crucial to business success, especially for services provided for local area merchants and community organizations. To help grab the viewer’s attention, motion logos and custom text crawls can now be keyed into MPEG-2 video along with static logos.

    MPEG-2 Frame Accurate Splicing
    Whether it’s advertisements or locally produced content, and whether inputs are real time or from compressed stream servers, the DTP will cleanly and frame-accurately switch various inputs to designated programs in the output transport stream, using our real-time frame transcode engine. The DTP will make a transcoded exit point in the current stream, frame-accurately inserting short or long-form program(s) into the output. When returning to network an entry point will be made to return at the exact time.

    Generic MPEG- and ATSC-Compliant Multiplexer
    In addition to video/audio processing, the DTP fulfills the role of an emission-compliant re-multiplexer by managing bandwidth to fit the MPEG and ATSC-mandated transport stream broadcast rates to the home.The DTP multiplexes in-program and system information protocol (PSIP) data to comply with ATSC requirements.

    PSIP
    PSIP can be emitted off of static settings and dynamic data from a network MPEG-2 transport stream or via reception from an external PSIP generator provided by best-in-class partner vendors.

    Broadcast-Optimized Control
    The DTP was developed from the start with broadcast operations in mind. The DTP offers a simple, but robust API for automation control of branding, switching and ad insertion.

    Upgradeable Software Architecture
    Broadcasters continue to evolve the DTV business model and launch unique new services.

    • DTP Software
      • Frame accurate splicing of MPEG-2 SD or HD programs
      • Complete MPEG-2 stream processing for all 4:2:0 color space, emission-compliant formats including 720p, 1080i and 1080p format HD
      • Still logos through multiformat image files where the alpha channel determines transparency
      • Animated graphics and logos through frame-by-frame multiformat image sequences
      • Pixel-perfect graphic object positioning and user-specified dissolve rates
      • Character generation text crawls for messaging and emergency alert system applications
      • Digital Program Insertion using SCTE-35 or automation control of commercial clips stored internally or on network attached storage
      • Support for industry-standard automation protocols, and pre-integrated with on-air automation system vendors
      • Full multiplexing and grooming functions including:
      • Full ATSC A65/b PSIP support
      • Trans-rating (rate control) with open-loop statistical multiplexing to generate an ATSC or MPEG-compliant transport stream
      • Device control, device status, playlist and video confidence monitoring via web-connected UIs
    • DTP Platform
      • Full server management via dedicated NIC and integrated Board Management Controller (BMC), remote KVM and power control
      • Dual Gigabit Ethernet IP input
      • Eight integrated RS-422 ports
      • Eight integrated GPI Inputs for third-party control
      • 1RU form factor
      • Hot-swappable redundant power supplies
      • RAID5 integrated storage and play-out (option)
 
 

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