H-1/2/4SDI-ATSC-IPLL

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1- 4 HD/SD-SDI  to HDTV ATSC Modulator  

1 SDI input –  PN: H-1SDI-ATSC-IPLL

2 SDI input – PN: H-2SDI-ATSC-IPLL

4 SDI input – PN: H-4SDI-ATSC-IPLL 

Thor Broadcast SDI-ATSC-IP & SDI-ATSC-IPLL Product Lines

Thor HD-SDI to 8VSB series encoder modulator chassis are designed for corporations or video professionals that need to modulate HD video onto RF carriers compatible with North American ATSC tuners.  Over the air television systems in this region use a unique modulation protocol known as 8 level Vestigial Side Band (8VSB) modulation.  While most tuners and television sets sold in North America support demodulation of QAM-256 under ITU-T J.83B in addition to ATSC’s 8VSB signal, most can only tune to one type of signal at a time.  This creates a problem for system integrators who want to inject their own programing into broadband lineups containing channels from a master antenna system.  Thor offers 8VSB modulators for use in any application where ATSC signals must be combined with locally modulated content. 

ATSC (8VSB):Advanced Television Systems Committee (North American OTA)

Thor encoder modulators are available for all major world television systems.  Television systems in North America are based on the Advanced Television Systems Committee (ATSC) standard that employs 8 level Vestigial Side Band (8VSB) modulation.  This type of RF is unique to the North American Market as well as the ATSC Program & System Specific Information PSIP tables.  Thor modulators that include VSB in the model number indicate they have the firmware necessary for ATSC 8VSB modulation.  These modulators will output RF carriers with program streams designed to be received by North American set top boxes and tuners.  All PSIP and electronic program PID tables can be set and edited from the modulators control page, and custom PID values can be configured for specific systems.  For full compatibility with all STBs such as Motorola or Scientific Atlanta systems that choose to only accept Intel’s Dolby AC/3 audio codec, most Thor modulators offer this as an additional option.  ATSC provides up to 19 Mbps of programing, so it carries much less data than QAM or DVB-T; however it can be used with longer coax runs.  This modulation protocol is only necessary when the application requires combining locally modulated channels with an Off Air lineup picked up from an antenna. 

SDI-ATSC-IP: Modulator Chassis with HD-SDI Encoder Cards

HD-SDI uncompressed digital video is commonly used in broadcasting and professional AV systems due to its convenience.  Serial Digital video can be carried over single conductor coax cables and typically employ common BNC connectors.  HD-SDI carries the same digital video data as HDMI, but without all complicated digital content protection (DCP) and HDCP trouble.  Thor multichannel encoder modulator chassis systems support encoder card input configurations from 1 to 4 channels.  These cards are available in both standard and low latency versions. 

ATSC-IPLL: Low Latency Encoding Option

Unit model numbers that include “LL” indicate that model includes Thor’s low latency encoding option.  This new feature reduces the time delay between video input and encoded program output by more than 10 times.  Standard model encoder modulator chassis systems typically have an encoding latency of 700-1200 ms depending on encoding parameters and output configurations.  For many applications, adding approximately 1 second latency doesn’t make a difference.  For other applications, such as live events; 1 second delay is very noticeable and prevents modulation from being used in distribution systems.  The solution to live video broadcast applications is the Low Latency upgrade option for the encoders.  IPLL models typically have an encoding latency of approximately 70-110ms, making them suitable for distribution of live video events.  Contact a Thor sales representative today for more information on encoding latency. 

Encoder Card Compatibility between Modulator Chassis

Chassis systems with custom encoder card configurations are available for supporting multiple input video formats in a single chassis.  Thor SDI-VSB-IP line of encoder modulators are designed for high quality distribution of broadcast quality video over coax cable.  These systems are available in many configurations for a wide range of applications.  This page covers models for a specific input video type combined with a modulator chassis programed for a specific output format.  It is important to note that encoder card types can usually be combined with encoder cards for other video types.  For custom model configurations please contact Thor directly for pricing and availability.  While most firmware for Thor modulator chassis is inter-compatible; not all hardware will work with all software.  Thor representatives are available for free design and consultation service.

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Features

• Broadcast up to 4 HDSDI sources as North American ATSC Antenna & IPTV Channels.
• Input any SDI source up to 3G-SDI @1080p60
• ASI Input SPTS or MPTS up to 120 Mbps
• Fully Network Managed through browser NMS gui
• ATSC 19Mbps 8VSB RF Output 4x carriers
• IPTV Output Unicast or Multicast IGMP UDP, RTP, RTSP
• ASI Output with multiplexer cherry picking 
• Integrates fully independent encoders with a multiplexer and modulator
• Modulates up to 4 adjacent 8VSB carriers compatible with ATSC format
• Supports full HD 1080p60 input & encoding from any HD-SDI digital video source
• Each encoder independently configured: supports all standard HDTV resolutions
• IPTV output on second network port in UDP, RTP,RTSP IGMP Multicast or Unicast format
• DVB-ASI output on mirrored BNC terminals for use in broadcasting systems
• Fully network managed device with all settings configurable through web browser

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Specification

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