4 HDMI & Component HD to COAX and IPTV HD 480i/720p/1080i/1080p CC Modulator

H-4ADHD-QAM-IP-LL
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Description Features Drawings Video Model Selection Specification Q&A Documents Support
QAM model description
4 Video Audio HDMI /YPbPr /CVBS inputs to - QAM "Cable" DVB-C RF output HDCP, Low Latency, up to 1080p, IPTV, ASI PN H-4ADHD-QAM-IP-LL
Description

4 HDMI & Component HD to COAX, HD 480i / 720p /1080i / 1080p Modulator and IPTV Encoder Streamer

Low Latency, HDCP Compliant HDMI, MPEG2 and H.264 Video Encoding, Dolby AC3 Audio Encoding

QAM,  ATSC, DVB-T,  ISDB-T Modulation

PN: H-4ADHD-QAM-IPLL

 

The H-4ADHD-XXX-IPLL modulator family from Thor broadcast is designed to handle even more applications than any other 4 channel chassis system that has come before. This HDMI to COAX Modulator has all the previous award winning features found in Thor Broadcast Modulators'; as well as, several new additional functions for added applications and flexibility. Our HDMI to COAX Converter provides 5 full RF carrier outputs for generating channels from content ingested through the ASI input. Encoding in either MPEG-2 or H.264 is provided for 4 crystal clear video streams up to 1080p60 each.

Bitrate is fully adjustable from 1.5 - 19 Mbps, and a variety of audio codecs are available. Standard audio encoding in MPEG-2 AAC and MPEG-4 AAC are provided; as well as, a licensed Dolby AC/3 audio codec. Audio sources can be selected from either embedded HDMI or Analog AV RCA ports. For Surround Sound, digital audio inputs can be set to "pass through" mode to preserve 5.1 and 7.1 audio that is encoded already in Dolby compatible format. Two mirrored ASI outputs are provided for broadcasters for added flexiblity in distributing the content generated by the 4 encoders.

This HDMI to COAX Splitter is an ideal solution for Professional Stadiums and Live Events. Used in more Collegiate stadiums for sports and distribution than any other model.

Programs input via ASI can also be multiplexed and remapped to the ASI output, adding yet another function to the unit as an ASI multiplexer.  IPTV is not neglected in any way.  All four encoded programs can be mapped to unique IP address outputs and ports in either UDP or RTP format.  The IP output can be configured to strip null packets to reduce network bandwidth or preserve the constant bit rate (CBR) packet stuffing normally preferred by television systems.  All four channels can be independently configured for either multicast or unicast outputs. Closed captioning is supported on a dedicated analog 608 CC port with RCA connector, an industry standard for line 21 captioning systems. Any 720 or 1080 line standard video signal in either HDMI or Component YPbPr format can be used for each of the four channels. This box also supports 480i for older TVs over RG6 RF coxial cables. Just like all other professional Thor modulator chassis, this system can be configured with firmware for either QAM, DVB-C, DVB-T, or ATSC channel format output.

 

Features
  • Broadcast over existing Coaxial Cabling to an unlimited number of Televisions with FULL HD
  • Perfect for Professional Stadiums and Arena's
  • #1 in Live Sports and Entertainment 
  • Broadcast Live HDMI & YPbPr Video as Cable TV & IPTV Channels.
  • Licensed HDMI inputs - works with any source like DVD, Blu-Ray, or any STB
  • Convert HDMI & Component YPbPr HD Video to HDTV Channels
  • Any 1-4 HDMI & YPbPr Inputs up to 720p / 1080i / 1080p
  • Licensed HDMI inputs - works with any source like DVD, Blu-Ray, or any STB
  • 4 HDMI Cables FREE
  • Support DD AC3 (2.0 / 5.1 / 7.1) passthrough (for HDMI interface only)
  • Support CC (Closed Caption) EIA608 (from CVBS input)
  • 1-4 CATV RF Output up to 4 Adjacent channels
  • QAM-256/64, DVB-T & ATSC formats available
  • Fully IP Control and Network Management through browser
  • Front Panel LCD local control   
  • IPTV Output Unicast or Multicast IGMP UDP, RTP / RTSP
  • ASI Output multiplexer with cherry picking
  • 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)
  • Dolby AC3 or MPEG1/2 Audio Encoding
  • MPEG2 or MPEG4 H.264 Video Encoding
  • Firmware for ATSC, DVB-T, DVB-S2 Available
  • VCT (Virtual Channel Table) support for DVB-C and ATSC
  • LCN (Logical Channel Number) support

 

Drawings

Video
Thor Broadcast 4CH HDMI Encoder Modulator H-4ADHD
Create your own CATV Channel using an HDMI Encoder Modulator, Thor Broadcast headend quad channel encoder for adding your own TV channels to your RF Broadcast. Perfect for Hotels, Stadiums, Hospitals, Airports, Casinos, Universities, Government, Military. Out of the box and running in just a couple of minutes, send out RF and IPTV simultaneously through the same unit. IPTV available for multicast and unicast, accessible anywhere on your network. https://thorbroadcast.com/product/4-hdmi-component-hd-to-coax-and-iptv-hd-8230.html
Instant IPTV Streaming and CABLE TV distribution, the easiest way to stream 4 HDMI over IP and COAX
In this video, we are showing you a very popular Thor Broadcast IP encoder QAM /ATSC modulator that will output up to 4 RF and 4 IPTV streams simultaneously. This is an excellent product for a hybrid system to distribute RF locally and then send IPTV streams into a fiber backbone to distribute all over a campus, casino, restaurant, etc. Unit output 4 separate Streams as a unicast or multicast The H-4ADHD-QAM-IPLL has several inputs on it using HDMI sources; we're showing you on the Right TV the RF input, channels 2-5 of the modulated RF QAM channels we created using HDMI streaming sticks and a Blu Ray Player. On the left the TV has a Set Top Box for IPTV channels which are then converted to HDMI which is input into the TV. Using the remote from the STB we can scroll through the channels the same as the right tv with almost no delay between the two. Excellent for live events like sports, theatre, and concerts, these units make it easy to set up via the GUI, and can help launch a headend in no time using RF, IP, or both. There is also HD/SD 32G SDI model available equipped with up to 12SDI inputs - IP and RF output, H-4SDI-QAM-IPLL You can use those units as streaming encoders to services like youtube or Facebook, or other streaming services. Link to the unit : 4 Channel HDMI to IP streaming and QAM https://thorbroadcast.com/product/4-hdmi-component-hd-to-coax-and-iptv-hd-8230.html/21 4 Channel SDI to IP streaming and QAM https://thorbroadcast.com/product/1-4-sdi-to-qam-modulators-and-iptv-streaming-encoders.html/0 This is a link to IPTV Set-Top Box: Multicast TS streams Input, HDMI and AV Video Output to the TV, STB has its own remote control, you can upload your own multicast channel lineup https://thorbroadcast.com/product/compact-ip-decoder-set-top-box.html
Quick configuration Guide for H-4ADHD-QAM-IPLL
4 HDMI & Component HD to COAX and IPTV HD 480i/720p/1080i/1080p CC Modulator. The H-4ADHD-XXX-IPLL modulator family from Thor Broadcast is designed to handle even more applications than any other 4-channel chassis system that has come before. This HDMI to COAX Modulator has all the previous award-winning features found in Thor Broadcast Modulators'; as well as, several new additional functions for added applications and flexibility. Our HDMI to COAX Converter provides 5 full RF carrier outputs for generating channels from content ingested through the ASI input. Encoding in either MPEG-2 or H.264 is provided for 4 crystal clear video streams up to 1080p60 each.
Model Selection

Additional Model Selection:

We can program our modulators to any available RF modulation format:
QAM DVB-C, ATSC, DVB-T, ISDB-T

Changes in format  do not affect IPTV or ASI Output

H-4ADHD-QAM-IP-LL
QAM "Cable" DVB-C RF output
 
H-4ADHD-ATSC-IP-LL
ATSC " Off Air " RF output
 
H-4ADHD-DVBT-IP-LL  
DVB-T  RF output
 

H-4ADHD-ISDBT-IP-LL


ISDB-T  RF output
 
Specification

*All Specifications Subject to Change Without Notice

Input

4 HDMI & 4 YPbPr up to 1080P60 , 4 CVBS up to 480I

Supported Resolutions

1280x720P 60 / 59.94 / 50 Hz

1920x1080I 60 / 59.94 / 50 Hz 

1920x1080P 60 / 59.94 / 50 Hz

CVBS Input Supports 480I 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 Encoding
 MPEG-2 AAC Encoding
 MPEG-4 AAC Encoding

 AC3 Dolby Encoding

  also:

Support DD AC3 (2.0/5.1/7.1) passthrough for HDMI interface only

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.

Firmware for ATSC or DVB-T ISDBT available

RF Frequency Range

30-960 MHz 1 KHz Step

RF Power Level

5 - 35 dBmV Adjustable

DVB-ASI Output

BNC Connector: 1-60 Mbps

MUXED MPTS

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 Unicas, and Multicast Supported

4 separate SPTS's

1 Muxed MPTS

Cables Included

Closed Captioning


1 to 4 HDMI Cables & Power Cord

CC 608 via Analog Input
 

Power Input

100-240 VAC Auto Switching
~ 20 W

Dimensions

19x17x3 19"Rack mountable 1U high

Weight

9 Pounds

Operating Temperature

32-110 F

Question and Answers
Answer:
We are happy to hear that your project is moving forward, Using our HD HDMI modulator your video clarity will increase tremendously compared to the current analog modulated video. The Digital QAM is also an analog modulated signal, it just carries digital information, so you treat it the same way as the analog NTSC/PAL modulated RF. All of your infrastructures stays the same. You can even have both Analog and Digital on the same coax, we can generate any different frequency then you currently using for your analog and using simple 2x1 combiner you can have both at the same time. It will work fine over your 200m coax cable. If needed for the additional extension we have fiber optic RF to Fiber / Fiber to coax extender https://thorbroadcast.com/product/thor-optical-mini-catv-rf-transmitter-45-1000mhz.html
Answer:
CC input means Closed captioning, the unit reads CC from Line 21 from CVBS baseband video input and encodes it into the stream. So for example, if you have DVD player with the HDMI and CVBS baseband video output, you can connect it to our unit bot of them and modulator will encode HD video from HDMI source and closed captioning form CVBS, the reason behind it is that HDMI doesn't carry CC as a separate signal data stream It is not necessary to use it is just an additional function, because of some costumes requires for the TV's where need to be muted.
Answer:
I suggest setting mode2 @ 1080i to test. This is a better-balanced configuration. The main parameter affect encoding delay is the DTS setting. The minimum DTS value is 50, it could be set lower but it requires higher STB/TV decoding capacity. In mode2, the DTS value is about 150. Other parameters like GOP, B frames have an insignificant effect on the delay
Answer:
All units you see on our website are available in all RF modulation standards; some units like the Thunder-4 and the Hybrid-8 have all standards built-in, so it's just a setting in the GUI, you can switch to DVB-C or DVB-T in just a few clicks. https://thorbroadcast.com/product/8-channel-hdmi-and-sdi-clear-catv-rf-modulator-qam-8230.html https://thorbroadcast.com/product/1-4-8-hdmi-digital-rf-encoder-modulator-full-hd-up-8230.html/238 Other units like the 4ADHD need to be ordered with specific modulation standard, they must be loaded with firmware to ensure proper standards are operational. Please let me know which model you were interested in and I will let you know if that model has expandable options or needs to be set up in advance with the proper firmware.
Answer:
You can daisy chain as many units as you like, each unit would generate different channels, for example the first would generate ch 2,3,4,5 the second 6,7,8,9, We have 135 channels available, so in theory, we can combine 33 modulators, modulating on the different frequencies ( different channels). QAM channels are actually very similar to analog channels, they also occupy 6mhz band, so you can just replace analog or combine them together, so on the same coax you can have analog and digital modulating channels, when there are modulated on different frequencies, the frequencies for digital QAM and analog NTSC /PAL are the same Those ADHD models will output CC as well, it needs to be input via baseband video in the back of the unit alongside the HDMI input; the unit will encode the CC information onto the HDMI video and will output it on the RF channel. The CC inputs read recognize and read the Closed Captioning Line 21, so it would need to be provided in this format into the unit, and encode it as a CC608. this way the CC can be turned on /off on the TV level. You could also inject ( glue) the CC into actual video than it will be encoded the same time as a Video, but then it will be permanently displayed on Tv's all the time. In other words our unit needs to receive CC in form of the analog CVBS Video Line 21 in order to be encoded to CC 608
Answer:
So essentially they have different standards than us. In America we use QAM 256 Annex B; in Europe, they use QAM 256 Annex A; In China, they use an RF standard called DTMB; other parts of the world use DVB-T or ISDB-T; So Television sets have built-in Tuners that can see the RF standard that is generally used in that country; so you can't just take a modulator from one country that uses a different standard and expect it to work. In the states we commonly use QAM and ATSC for over the air; both of which are 6Mhz bandwidth; DVBT I know is 8Mhz step; so again they are not interchangeable. We have 8ch HDMI SDI Digital modulator with all world RF modulation standards, this is the link to H-HYBRYD-RF-8 https://thorbroadcast.com/product/8-channel-hdmi-and-sdi-clear-catv-rf-modulator-qam-8230.html
Answer:
Every TV manufacturer has different settings and options. We suggest being consistent when purchasing televisions. We use MPEG2 in America as our primary encoding protocol, so the vast majority of TV's will only be able to see MPEG2; there are a few brands that do have H264 available, however that is very, very rare. So if you are using this type of encoder in an office, or bar, chances are that you will have to use MPEG2 and NOT H264, because all tv's can see MPEG2. I suggest you use that protocol or purchase tv's that can see H264. Most of our Modulators, including H-4ADHD-QAM-IPLL, can encoder video as MPEG2 and H.264, please log in to the unit, in Input in encoding section, please select MPEG2
Answer:

Our 4 ch H-4ADHD-QAM-IPLL worked on the Comcast system as an inserted channel.
We have simple GUI instructions on how to set it up, we can percent it everything before the shipping, so it would be just plugged and play.
We have also other similar modulators for 1,2,8 and 12channels.
We have great flexible products and  technical support
Please check those units for your reference
2 HDMI Modulator
https://thorbroadcast.com/product/2-hdmi-ypbpr-hd-digital-tv-modulator-qam-atsc-dvb-t-8230.html
8 HDMI/SDI  modulator
https://thorbroadcast.com/product/8-channel-hdmi-and-sdi-clear-catv-rf-modulator-qam-8230.html
12 HDMI modulator
https://thorbroadcast.com/product/catv-rf-modulator-hdmi-multiplexer.html/37

Answer:

That is an excellent choice, and for the RF output option you'd most likely go with QAM. 

DVBT is a foreign standard, since you mention you're in AZ, that won't work for you. 

ATSC is standard 8VSB Off Air Antenna; so modulators can be used in this standard if you have an antenna RF infrastructure and then would like to add some custom cable channels of your own. So QAM is your bet; my assumption is that is what your Blonder Tongue units are. Oddly enough I researched that model and it is actually NTSC; which is the old analog variety of RF. So I'm not sure if you can purchase those in QAM or ATSC or they are only NTSC. The easy answer to find out is if you go to a TV on premise and do a channel scan to find channels on the coax plugged in the back, do you do Cable Scan or Off air Scan?

- Okay so then they are QAM units. So the H-4ADHD-QAM-IPLL is the unit you'd want to select.

Answer:
Yes, we have the perfect solution HD Video insertion solution for the Cable TV MDU application
Our encoders have various inputs needed to channel insertion.
Please let me know if your service requires Comcast cable STB's or they are using CLEAR QAM ( the coax cable is connected directly to the TV)
 
H-1HDMI-QAM-IPLL - 1ch HDMI Encoder - IP/ASI + RF QAM output - price
 
H-2HDMI-QAM-IPLL - 2ch HDMI Encoder - IP/ASI + RF QAM output
 
4 channel :
H-4ADHD-QAM-IPLL  - 4ch HDMI Encoder - IP/ASI + RF output
 
 
Please let me know if you have any questions, or you can give me a call at 800-521-8467 Ext 2
Answer:

An IP TV UDP output from an IP encoder can be used in several ways. Some common examples include:

  • Distributing the IP TV signal over a local area network (LAN) to multiple devices or TVs that are connected to the network.
  • Streaming the IP TV signal over the internet to remote devices or TVs using a streaming service such as YouTube or Twitch.
  • Connecting the IP TV signal to a digital signage system to display the content on multiple screens or TVs in a commercial or public setting.
  • Transmitting the IP TV signal over the air using a digital TV antenna to reach TVs in a specific geographic area.

Overall, the specific use for the IP TV UDP output from an IP encoder will depend on the user's specific needs and requirements.

Answer:

Please review the following options:

1) H-4ADHD-QAM-IPLL: 4-channel HDMI QAM modulator/IP Encoder with QAM
latency around 300ms and IP latency of approximately 800ms.


2) H-4SDI-QAM-IPLL: 4-channel SDI QAM modulator/IP Encoder with QAM
latency around 300ms and IP latency of approximately 800ms.

https://thorbroadcast.com/product/1-4-sdi-to-qam-modulators-and-iptv-streaming-encoders.html/0

3) If latency is not a concern, I suggest the H-THUNDER-8, an
8-channel QAM modulator with latency of about 500ms.

https://thorbroadcast.com/product/1-4-or-8-hdmi-digital-rf-encoder-modulator-8230.html/239


4) Here is the link for the 16 or 24-channel IP encoder with a latency of 800ms.
https://thorbroadcast.com/product/4-8-16-24-hdmi-iptv-streaming-8230.html/215
https://thorbroadcast.com/product/4-8-16-24-hdmi-iptv-streaming-8230.html/216

this is link to our IPTV STB's
https://thorbroadcast.com/product/compact-ip-decoder-set-top-box.html

Answer:
es, that model has an RF input and an RF output. 
To your point it sounds like you'd want to combine the 4 HDMI inputs from various HDMI sources and add them to the existing channels from an Antenna.
You can input the RF from the Antenna into the RF input on the Modulator. You can also use an External 2x1 Comiber, it's the same thing essentially. 
However you have to make sure the channels you assign the 4 HDMI inputs are not overlapping channels from the Antenna. 
In order to properly assimilate the 2 RF streams together, they must be on vacant frequencies. Putting those HDMI sources on existing channels will not work. 
The easiest way to do that is with an RF scanner, or just check online in your city which frequencies are vacant. 
 
As for inputting RF antenna and expecting the model to output the antenna channels in IP is something it will not do. The only IPTV stream outputs would be from the 4 HDMI sources you are feeding the system. 
So if you feed it 4 BluRay Players, then you can have 4 RTP/UDP/RTSP streams in multicast or unicast. 
If you are looking to convert RF channels from an Antenna and converting them to IP channels or streams, then we have a different product for that called a Gateway. 
md_back-16-rf-tuners-to-iptv-gateway-qam-modulator.jpg
This is our most dense RF Gateway, which can take up to 16 ATSC frequencies, Major and Minor channels, and convert them to IP streams. 
We also have this available in an 8 RF channel input model. 
 

Yes, you can connect both the Gateway and the Encoder to the switch; it needs to be a smart switch with the IGMP protocol enabled.

The IGMP works in a way that it keeps the streams in the switch's memory and passes the individual streams to the specific port where the stream was requested by any IP receiver or decoder.

 

This is more detailed explanation how the IGMP works:

 

IGMP (Internet Group Management Protocol) is a communication protocol used to manage the membership of Internet Protocol (IP) multicast groups. IGMP is used by IP hosts and adjacent multicast routers to establish multicast group memberships. It plays a crucial role in enabling efficient network resource usage, especially for services like multicast video streaming. Here’s a simplified explanation of how IGMP works with multicast video streams and how it helps preserve bandwidth while allowing video access to anyone on the LAN network:

Multicast Video Streaming

  1. Multicast Streaming: Unlike unicast streaming, where a separate copy of the video stream is sent to each requester, multicast streaming sends only one copy of the video stream to the network, regardless of the number of requesters. This method significantly reduces bandwidth usage.

  2. Group Membership: Devices that wish to receive a specific multicast video stream will join a multicast group. The multicast group has a specific IP address that represents all devices interested in receiving the video stream associated with that group.

How IGMP Works

  1. Joining a Group: When a device on the LAN wants to start receiving a multicast stream, it sends an IGMP message indicating its desire to join a specific multicast group.

  2. Multicast Router: The local router receives the IGMP join request. The router then knows that it should forward traffic for that multicast group to the network segment where the request originated.

  3. Leaving a Group: If the device no longer wishes to receive the multicast stream, it sends an IGMP leave message. If there are no more interested receivers on the LAN, the router stops forwarding the multicast stream to that network segment.

  4. Periodic Queries: Multicast routers periodically send IGMP queries to discover if there are still devices interested in the multicast group. If no devices respond with a desire to remain in the group, the router assumes there are no interested receivers and stops forwarding the stream to that segment.

Preserving Bandwidth

IGMP efficiently manages network resources by ensuring that multicast traffic is only sent to network segments with interested receivers. This way, the bandwidth is not wasted on sending video streams to parts of the network where no device is interested in them.

Access by Anyone on the LAN

  • Open Access: Any device on the LAN can join a multicast group to start receiving the associated video stream, making multicast video streams accessible to anyone on the network who wishes to receive them.
  • Dynamic Membership: Devices can join or leave a multicast group at any time, allowing for flexible and dynamic access to video streams based on interest.

In summary, IGMP facilitates efficient distribution of multicast video streams by managing group memberships, preserving bandwidth by directing streams only to interested receivers, and enabling open access to video content for any device on the LAN network that chooses to join a specific multicast group.


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