QAM-IP-LL Low Latency 70ms Encoder Chassis

70ms SDI/HDMI Encoders with Digital TV Modulator and IPTV Server

 

Thor QAM-IP chassis model numbers that include “LL” or “ULL” indicate “Low Latency” or “Ultra Low Latency” options as an additional feature.  Thor QAM-IP-LL units offer encoded video outputs with latency as low as 70ms.  This feature is supported only for 1 or 2 channel HDMI or SDI video inputs on HDMI or BNC connectors.  Video input up to 3G-SDI (1080p60) is supported.  This system is designed to reduce the time delay between the input video and the output programs.  QAM-IP systems equipped with the Low Latency option are able to provide programing outputs with a delay of only 70ms.  At less than 0.1 seconds, this is delay is almost undetectable by the human eye.  QAM-IP-LL systems allow Thor encoder modulators to be used in real time applications where video delay would be unacceptable, such as in live event broadcasting.

 

Private Cable TV System Channel Generation

QAM-IP_APP

Thor QAM-IP systems can be used to generate entire HDTV cable TV channel lineups from a multitude of content sources.  Any computer, video player, cable set top box, or satellite receiver can be used as a content source to create a new digital HDTV program on any frequency or sub channel.  Cable TV distribution over coax can be easily expanded, usually by only adding a splitter.  The output can be viewed on any digital HDTV with the internal tuner.  This eliminates the need for set top boxes.  Local and regional copyright laws may apply in your area, pleases ensure that proper content distribution licensing rights are acquired from the content owner prior to commercial usage.

 

THOR QAM-IP Chassis

 

Thor QAM-IP Real Time Encoders are designed to bridge the gap between digital content creators and their audience.  In today's world, digital video can be created by almost any device.  However, uncompressed digital video such as HDMI or SDI carries a tremendous amount of information.  In order to broadcast or distribute video it must be encoded.  Encoding compresses the video information to a manageable data rate so it can travel to the end user.  Digital TV channels use RF (Radio Frequency) signals to carry this encoded video information to a TV tuner or recording device.  This is how Digital Cable and Digital Over The Air TV services work.  However more and more content is now being delivered over IP networks such as the internet and private VPN's.  The QAM-IP platform is designed to bridge these previously separate content delivery mediums.  A single QAM-IP Real Time Encoder can deliver up to 4 channels of live video content as a standard digital TV channel while also providing a live internet stream to a Content Delivery Network (CDN) or local IPTV system.  

Thor QAM-IP series real time digital encoders are one of the most versatile encoding systems on the market.  An internal web server provides convenient access for management and monitoring with a web interface accessible through any standard web browser.  All settings are also available through the front panel.  Each QAM-IP system supports real time encoding of 1 to 4 channels of HD or SD content in a 1RU chassis.  Each video input is fed to a dedicated hardware encoder that can be independently configured for bit rate, codec, and program ID.  For broadcasting applications, the QAM-IP platform features an internal ASI multiplexer with add/drop abilities.  This allows externally encoded programs to be added to the units output, and can also be used for a broadcast contribution feed to a cable TV Headend system.  After selecting the desired programing through the management service, all content becomes available as live digital TV channels that can be set to any frequency from 2-135.  Thor offers firmware versions for all major world modulation protocols, such as QAM, 8VSB, DVB-T, DVB-C, and ISDB-T.  RF output power is a strong 45 dBmV, and the output can be adjusted through the web interface or front panel via an internal attenuator to as low as 15 dBmV.  The same content is also available as a live IP stream that can be sent over the internet to a CDN, Cloud Server, or local IPTV Media Server.  Thor offers assistance with configuration of internet cloud services, such as Amazon Web Services.  Contact a sales representative for more information. 

 

Product Features

 • 70ms Latency HD Encoder with HDMI or 3G-SDI Input

 • Available in up to 4 HD channels in one enclosure

 • High Level Encoding for both MPEG-2 or H.264 Codec

 • Full HD 1080p60 encoding supported through H.264

 • Digital HD agile RF output selectable to any standard VHF or UHF channel

 • Adjustable RF output power level from 15-45 dBmV

 • Supports worldwide DVB standards: QAM, 8VSB, DVB-T, DVB-C, and ISDB-T

 • All Functions accessable through Web Interface and Front Panel

 • IP Output for use with IPTV Media Servers and Internet CDN Services

 • DVB-ASI In/Out/Multiplex functions with Add/Drop abilities

 

 

 

QAM-IP-LL

 

 

Product Application

 

 

QAM-IP

 

 

 

Product Specifications

 

Product Specifications  
*All Specifiactions Subject to Change Without Notice
Input

3G-SDI
HDMI 1.4a

Supported Resolutions 720x480i60/59.94
720x576i50
1280x720p60/59.94
1280x720p50
1920x1080i60/59.94
1920x1080i50
H.264 Codec ONLY
1920x1080p60/59.94
1920x1080p50
Video Latency 70 ms
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 Standards QAM - J.83A, J.83B, J.83C
ATSC - 8VSB
DVB-C
DVB-T
ISDB-T
RF Frequency Range 30-960 MHz 1 KHz Step
RF Power Level 15-45 dBmV Adjustable
DVB-ASI Output BNC Connector: 1-60 Mbps
DVB-ASI Input BNC Connector: 1-30 Mbps
Programs Selected by PID
Programs Muxed to all Outputs
IPTV Output MPEG-TS MPTS over UDP
Unicast and Multicast Supported
IPTV Output MPEG-TS MPTS over UDP
Power Input 100-240 VAC Auto Switching
~ 20 W
Dimensions 482 x 300 x 44 mm
Weight 4.5 kg
Operating Temperature 0 - 45 ?
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