1- 4 SDI to QAM Modulators and IPTV Streaming Encoders

H-4SDI-QAM-IPLL
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Description Features Drawings Model Selection Specification Q&A Documents Support
4 Channel model description
4 Channel HD/SD 3G SDI input Digital QAM Modulator + IPTV and ASI Output Up to 1080p / low latency - PN: H-4SDI-QAM-IPLL 1080p60
Description

1-4 SDI Inputs - Encode-Combine-Modulate: QAM & IP output in Perfect 1080p60

#1 Trusted SDI Encoder Modulator on the market used by today's largest group of AV Professionals & Integrators

1 SDI input -  PN: H-1SDI-QAM-IPLL

2 SDI input - PN: H-2SDI-QAM-IPLL

4 SDI input - PN: H-4SDI-QAM-IPLL

Broadcast Live HD-SDI Video & ASI as Cable TV  & IPTV Channels.

Broadcast over your existing Coaxial Cabling to an unlimited number of Televisions with  FULL HD

 

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

Thor Broadcast HD-SDI to QAM modulators are combination devices that bundle real time HD hardware encoders with a managed program stream multiplexer and agile RF QAM modulator.  Each chassis can encode up to 4 channels of HD-SDI video to MPEG-2 or H.264 and modulate the programs on up to 4 QAM carrier outputs. These are individual encoding channels that can be setup and operated in individual settings; inputs 1 & 2 can be setup in Mpeg2 and have 720i resolution while inputs 3&4 can be setup in H.264 and output 1080p. In addition to the encoded programs, the unit can also modulate programs encoded externally via an ASI input.  Most notably Thor Broadcast utilizes some of the fastest encoding speeds in Mpeg2. When you're trying to broadcast SDI video over IP or RF, professionals in all backgrounds choose Thor for their paramount applications. Pro-DVB integration personnel's first choice in live video applications like the NFL, NBA, NHL, NASCAR circuits, and even F1 tracks around the globe all rely on Thor Broadast's fastest encoding speeds to ensure their viewers and fans all see the race as close to the real thing as possible. Reliability is our foremost concern, these encoder/modulators have stood the test of time globally in performing arts centers, governements, military installations, and high end security applications mean that you'll have an excellent product for years to come. 

Our Free Tech Support is backed by decades of experience from our Lab in Los Angeles, CA. Professionals you can trust will guide, implement, support, and assist over phone and IP to help your application succeed the first time. Top tier integrators from around the world rely on Thor's expertise to ensure you get your help when you need it. This is further backed by the #1 Warranty in the industry of 5 years. 
 

QAM: Quadrature Amplitude Modulation (ITU-T J.83)

Thor encoder modulators are available for all major world television systems.  Quadrant Amplitude Modulation (QAM) is commonly used in cable TV systems due to its high bandwidth abilities.  The International Telecommunications Union (ITU) defines the standards for QAM under the J.83 standard.  Thor QAM-IP chassis support all three primary J.83 QAM standards; ITU-T J.83A, J.83B, and J.83C.  Any QAM-IP chassis can be set to output RF carriers under either of these three standards without the need to change firmware.  J.83A and J.83C are primarily used in European systems and are commonly known as DVB-C.  US cable TV systems are based on J.83B, which in the United States is commonly referred to simply as "QAM".  QAM-IP chassis are available from Thor with many different types of video input and encoder cards.  These encoder modules are independent of the modulator chassis system. 
 

SDI-QAM-IPLL: Modulator Chassis with up 4 inputs @ 3G-SDI 1080p60

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 now standard with Low Latency and Dolby Digital AC3.


QAM-IPLL: Low Latency Encoding Option

Thor's Low Latency encoding is now paramount in nearly every Live Sport on a global level; from the Olympics to Race Tracks, our all inclusive 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(lab tested), 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-QAM-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
  • Any SDI Input up to 3G-SDI @1080p60
  • ASI Input SPTS or MPTS up to 120 Mbps
  • Fully Network Managed through browser
  • QAM-256/64 RF Output up to 4 Adjacent
  • IPTV Output Unicast or Multicast IGMP UDP,RTP/RTSP
  • ASI Output with multiplexer cherry picking 
  • #1 Warranty on the market - 5 years all inclusive
  • Free Live Tech Support from Los Angeles, CA
Drawings
Model Selection

H-1SDI-QAM-IP

H-1SDI-QAM-IPLL

1x HD-SDI 1080p60

700-1200 ms

70-125 ms (LL)


H-2SDI-QAM-IP

H-2SDI-QAM-IPLL

2x HD-SDI 1080p60

700-1200 ms

70-125 ms (LL)


H-4SDI-QAM-IP

H-4SDI-QAM-IPLL

4x HD-SDI 1080p60

700-1200 ms

70-125 ms (LL)

 

Specification

*All Specifications Subject to Change Without Notice

  • Input

3G-SDI, HD-SDI: BNC- 75 Ohm

  • Supported Resolutions

1280x720P 60 / 59.94 / 50 Hz

1920x1080I 60 / 59.94 / 50 Hz

1920x1080P 60 / 59.94 / 50 Hz

  • Video Codecs

MPEG-2 SD / HD 1.5-19.5 Mbps

and selectable

H.264 HD 0.8-19.5 Mbps

  • Audio Codecs

Dolby AC3

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

QAM - J.83A, J.83B, J.83C

  • RF Frequency Range

30-960 MHz 1 kHz Step

  • RF Power Level

15-43 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  x2 Inches

  • Weight

9 Pounds

  • Operating Temperature

32-110 °F

Question and Answers
Answer:
 
 
 
How can I help you?
i am trying to design a system that can convert 1920x1080 SDI signal to be broadcast over an existing CATV distribution system in a school and possibly using the existing coax cable to upgrade an area to HD over coax to the TV's
i need the signal at 2 different locations that we are planning to connect together with fiber
basically we have a football stadium press box where we will have live cameras outputting the SDI signal and we want that signal to go back to the control room in another building via fiber
These units would be good for doing SDI to RF https://thorbroadcast.com/product/1-4-sdi-to-qam-modulators-and-iptv-streaming-encoders.html/4
after it gets back to the control room we want to distribute it into the school and back to the press box for the replay TV's
ok
Well we can do the SDI over Fiber if you need that, https://thorbroadcast.com/products/sdi-1
once the signal is converted to CATV RF, it gets more complicated then just putting SDI on Fiber.
i was afraid the distance to the press box would be too far to send a digital signal over coax
the SDI modulators can convert the source to CATV channels, which then you'd need RF over Fiber gear like this https://thorbroadcast.com/products/cable-tv-catv-rf-45-900mhz
Is your fiber multimode or singlemode?
and what's the approximate distance?
multimode and its around 700ft
Well all of the SDI over Fiber gear is fine with that; those converters work to about a couple thousand feet on multimode, and about 20km on single mode; so you see the massive difference between the 2 kinds of fibers.
RF can not go on Multimode, flat out won't work
well, we haven't ran the fiber yet. So, we could go single mode if necessary
is the fiber necessary at that distance? how far can digital TV signal run instead of RF?
Yea, Multimode isn't useful in a lot of AV applications
Digital TV is still RF
whether its ATSC or QAM; still an RF wave
so, we'll experience the same DB signal losses like RF?
no RF is a completely different animal versus a digital video signal like an SDI camera
sorry, i haven't done much of this before. I am very familiar with CATV distribution but not as far as digital goes
I know the signal degrades quickly on an analog system. I don't know about the digital
same difference when it's on fiber
but analog is pretty much extinct for the most part, we only sell digital modulators these days
Thats why we want to keep the signal RF in the main school because of the infrastructure
the press box is small and we can just send a digital signal in there and we are planning on upgrading all of the TVs
but the distance is a problem. I don't know if we get get a digital signal that far on a coax or if we need to use a fiber and send the SDI signal from the control room over to the press box and then use one of your converters in there to change it over to a digital TV signal
So sending SDI over Fiber is pretty simple
converting SDI to RF and then sending that over fiber gets a little tricky.
How many SDI sources do you have?
he wants to have up to 4
one or two could be HDMI signals from like a cable tv box
so he can broadcast a TV channel
i think they could technically do it with 1 SDI signal from their control room. We will have several cameras coming back to their control room that they already have equipment for that will output the SDI signal that we need to broadcast
https://thorbroadcast.com/ is sharing a file with you. image.png - (Size:809.98 KB)
We offer these in 1, 2, and 4 SDI inputs ---- they will take your SDI feed and convert to CATV
If you already have pieces like this that convert SDI to RF, and you just want to send the RF from the booth back to the school, then you can just use a compact RF over Fiber kit.
does it take anything special to split an SDI signal?
I honestly don't know, people don't necessarily split those signals, usually, they use switchers, converters, encoders etc.
I would think it would just need a splitter on the RG cable
where is a good place to buy your equipment from? Do you sell direct or should i go through a distributor?
We do sell direct, and also through countless resellers and distributors
Anixter, Markertek, B&H, AMT, Toner Cable, HDTV supply etc
i sent in a reseller request about a week ago but i haven't heard anything back.
after we close down this Chat, I'll send you a copy of the transcript, and the Reseller Agreement. We'll get you signed up
ok, thank you.
one more question
sure
we have a single location that is in the visitor's concession stand that is about 1k ft away that has MM fiber to it and also an RG cable to it. We will need to get this digital TV signal over there.
CATV can only go on Singlemode Fiber; so if you want to send the visitor's concession stand the same TV signal, you'll need to install single-mode fiber to there
i was afraid you were going to say that haha
Television, regardless of analog or digital, can NOT go on multimode fiber.
no company in the world makes gear that will solve your issue; we get this a lot!
can it run on the RG cable? we are using that now
not in 1080 right now of course
with proper amplification you could probably do that; but then you're going to need a power supply along the way.
so if the conduit goes under the football field, then I bet it won't work
right now we have it on like channel 14 being broadcast
i'm not sure of the quality right now
That information doesn't really help; it doesn't matter if its 720; 480 or 1080; getting the digital signal there on RG6 would be difficult, but maybe a couple of these https://thorbroadcast.com/product/distribution-amplifier-30db-54-1000mhz-coax-catv-qam-atsc-analog-rf.html
what about IPTV streaming? could we send the signal over the network? do you sell components for that?
sorry for all of the stupid questions ...
Yes we do, a lot of our IPTV equipment is here https://thorbroadcast.com/products/pro-dvb-encoders
I knew this was going to be a little complicated haha. I need to learn more so that i can convert more schools to digital away from the analog.
Yeah its a small learning curve
If you have a design drawing that would help; we can let you know exactly what you'd need to get the job done
i don't ... but i could possibly make something.
Yeah, I mean considering you want to send the signal from the booth to the school, then back to the booth, plus add in the visitor bench, I would encourage only singlemode fiber; then the components can inserted in between the fiber infrastructure
I'll have cameras in the press box sending SDI signal back to the booth. They will then do whatever with the signal and send output of SDI to me for me to distribute in the school and back to the press box TV's
and to the visitor concession TV
they want me to run the fiber for their cameras and for my distribution system
I'll look at some more of your components and try to learn some more and ask some more questions later. Thank you for your assistance today.
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