1- 4 SDI to ATSC Modulators and IPTV Streaming Encoders

H-1SDI-ATSC-IPLL
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Description Features Drawings Model Selection Specification Q&A Documents Support
1 Channel model description
1x HD-SDI 1080p60 , Low Latency digital modulator , 1 Channel HD/SD 3G SDI input Digital ATSC Modulator + IPTV and ASI Output - PN: H-1SDI-ATSC-IPLL
Description

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 300/700-1200 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. 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.  If you have any questions or concerns about a Thor system, contact a representative directly at 1-800-521-8467.

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
  • Low Latency available 300/500/800ms delay via different modes - IP will always be closer to 800ms due to the decoding (these values are end to end, not just the encoding speed)
Drawings
Model Selection

Available Models

Input Configuration

 Latency

Standard Models

   

H-1SDI-ATSC-IP

H-1SDI-ATSC-IPLL

1x HD-SDI 1080p60

Low Latency available 300/500/800ms delay via different modes

H-2SDI-ATSC-IP

H-2SDI-ATSC-IPLL

2x HD-SDI 1080p60

Low Latency available 300/500/800ms delay via different modes

H-4SDI-ATSC-IP

H-4SDI-ATSC-IP

4x HD-SDI 1080p60

Low Latency available 300/500/800ms delay via different modes

Specification

 

*All Specifiactions Subject to Change Without Notice

Input

3G-SDI, HD-SDI: BNC- 50 Ohm

Supported Resolutions

1280x720P 60 / 59.94 / 50 Hz

1920x1080I 60 / 59.94 / 50 Hz

 

1920x1080P 60 / 59.94 / 50 Hz  H.264 Codec ONLY

Video Codecs

MPEG-2 HD 1.5-19.5 Mbps

H.264 HD 0.8-19.5 Mbps

Audio Codecs

MPEG-1 Layer II

MPEG-2 AAC

MPEG-4 AAC

Audio Sample Rate

48 kHz

Audio Bit Rates

64 kbps

96 kbps

128 kbps

192 kbps

256 kbps

320 kbps

Modulation Standard

ATSC Compatible 8VSB 19 Mbps

RF Frequency Range

30-960 MHz 1 KHz Step

RF Power Level

5-35 dBmV Adjustable

DVB-ASI Output

BNC Connector: 1-60 Mbps

DVB-ASI Input

BNC Connector: 1-120 Mbps

Programs Selected by PID

Programs Muxed to all Outputs

IPTV Output

MPEG-TS MPTS over UDP,RTP,RTSP

Unicast and Multicast Supported

Power Input

100-240 VAC Auto Switching

~ 20 W

Cables Included

1 to 4 HD-SDI BNC cables, power cords

Dimensions

19 x 12 x 1.7 Inches

Weight

7 Pounds

Operating Temperature

32F -110F

Question and Answers
Answer:
This unit can encoders 1-4 HD/SD/3G SDI Video as a MPEG2 or H.264, and Audio as AAC, MPEG1 or AC3
These units do not have PSIP; however, they do have all the PID information for carryover.
AC3 is standard on these units as well now. That change was made years ago, they include AAC and AC3.
The unit has 4 ATSC channel ( carriers)  output, IP output, and ASI output, mux function for TS multiplexing on the single carrier.
 
We do have also a version with the DVB-C annex B  QAM RF output instead of ATSC
 
Answer:

The encoder you purchased has the ability to send IP output and a UDP stream simultaneously.

You can utilize this feature to send the stream over a LAN or a relevant WAN connection to your receiver location.

On the receiver (RX) side, you will need an IRD receiver called H-IRD-V3-ATSC.

This IRD has IP input and offers ASI/SDI/HDMI output options.

 Additionally, it has ATSC input capability, allowing you to use two units: one to receive the signal via ATSC and the second to receive the signal as an IP stream.

 
Link : H-IRD-V3-ATSC
 
 
IP Input Example
 
 
 
ATSC input Example 
 
 

Please let me know if this is clear. If you have any questions, please give me a call at 800-521-8467 ext 2

Answer:
They would like to know if after it takes 2 SDI inputs and converts them to RF - Yes that is what it does- you can create two RF channels 
 
can that RF signal be sent over fiber and then be split back into 2 separate channels Yes you can put RF on Fiber. Yes that RF would have 2 channels on it

 They also were looking to see if it is compatible with analog signals I don't know what you mean; the unit is ordered in a specific modulation standard, QAM or ATSC, Analog is NTSC which isn't really used anymore
 
and if it can be used for a low-powered television, or for the upcoming ATSC 3.0 As of right now we do not have any models that can do ATSC 3.0
Answer:
We do have some great solutions for encoding 1, 2, or 4 HDMI or SDI to ASI. Please check out these products:
 
1)1 SDI -  H-1HDMI-ATSC-IPLL
1-hdmi-input-pn-h-1hdmi-atsc-ipll-back.png
 
 
2)2HDMI -  H-2ADHD-ATSC-IPLL

 
 
3) 1SDI - H-1SDI-ATSC-IPLL   1channel SDI to ASI
 
 
4) 2 SDI  H-2SDI-ATSC-IPLL   2channel SDI to ASI
 
 

These units are top-notch and provide IP output and ATSC modulated output for local monitoring in addition to ASI output. 
They also have the ability to display VCT virtual channel numbers.

Documents
downloadh-1sdi-atsc-ipll-and-h-2sdi-atsc-ipll-user-manual-2023.pdf
User's Manual is avalible only for logged users.
downloadh-4sdi-atsc-ipll-user-manual-2023.pdf
User's Manual is avalible only for logged users.
downloadh-2-4-hdm-sdi-atsc-ip-user-manual.pdf
User's Manual is avalible only for logged users.
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