Real Time Integrated Ultra HD 4K Encoder and QAM Modulator

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Description Features Drawings Video Model Selection Specification Documents

4K UHD Encoder Modulator Youtube Functionality Video with GUI Explained

Thor Broadcast is now delivering the most cost-effective integrated multifunction 4K UDP Encoder / RF (QAM, ATSC, DVB-T ) modulator with CATV RF, IPTV, and ASI output. This powerful encoder also includes IP and ASI inputs for further utility and performance. 

This 4k Broadcast Encoder covers all of the following applications:

  • 4K/UHD over IP
  • 4K/UHD over CATV RF COAX - QAM or ATSC or Europian DVB-T
  • 4K/UHD over ASI
  • 4K IP stream to QAM or ATSC or DVB-T  (RF Channels will pass 4K resolution)
  • 4K ASI  stream to QAM  (RF Channels will pass 4K resolution)


  • 2 HDMI 2.0 (Mux)
  • 2 ASI Inputs
  • 128 IP  Inputs
  • IP
  • ASI
  • CATV RF - QAM or ATSC or DVB-T


This new unit integrates H.265/HEVC and H.264/AVC encoding, multiplexing and modulating all in one chassis.
Comes standard in a 1RU rackmount chassis. Supports UHD ultra-high-definition television UHDTV resolution up to 2160P @ 60hz Chroma 4.2.2 and 4.2.0

Supports one HDMI (2.0) channel UHD signal input for encoding, and in addition, it has 2 ASI & 128 IP input for remux and multiplexing as well as modulation on any of the 4
DVB-C/T carrier outputs with one RF port. It also has 2 ASI ports and an IP port to output TS in 4* MPTS.

Encoding Technology:

The newest Thor Broadcast 4k Encoder is processing uncompressed UHD signals at eight times the bit rate of current HD sources, it encodes content in real time via 10bit HEVC, and it offers incredible compression efficiency, making live UHD delivery available for satellite, cable, terrestrial and fiber networks.

  • 2 HDMI 2.0 (Mux) input and 1 HDMI 2.0 (Loop out) output 
  • HDCP 2.2 and HDCP 1.4 
  • 2 ASI & 128 IP input (MPTS/SPTS) over UDP and RTP protocol
  • Up to 2160P 60Hz RGB/YCbCr 4:4:4 input
  • H.265/HEVC and H.264/AVC video encoding
  • VBR/CBR video bitrate mode
  • MPEG1 Layer 2, LC –AAC audio encoding and DD AC3 passthrough
  • PID remapping / accurate PCR adjusting / PSI/SI editing and inserting
  • IP (1000M/100M) Output 4 MPTS over UDP and RTP
  • 4*DVB-C/T RF output
  • IP null packet filter
  • Real-time output bit-rate monitoring
  • Update device through web based NMS port
  • LCD / keyboard operating, and network management (web)

Model Selection

H-4K-UHD-QAM-IP  4K UHD Encodere RF QAM Modulator with IPTV and ASI ouput

H-4K-UHD-ATSC-IP  4K UHD Encodere RF ATSC Modulator with IPTV and ASI ouput

H-4K-UHD-DVB-T-IP  4K UHD Encodere RF DVB-T Modulator with IPTV and ASI ouput

H-4K-UHD-ISDBT-IP  4K UHD Encodere RF ISDB-T Modulator with IPTV and ASI ouput

1×HDMI input (2.0), HDCP 2.2/1.4
2 ASI input, BNC interface
128 IP input over UDP and RTP protocol
Video Input
Resolution Chroma

3840×2160_60P, 3840×2160_50P, 3840×2160_30P, 3840×2160_25P, 1920×1080_60P,


RGB, 4:4:4, 4:2:2,  4:2:0 (2160P_50/60 only)
Video Encoding
Encoding H.265/HEVC, H.264/AVC
Chroma 4:2:2, 4:2:0
Bit-rate 2Mbps~36Mbps
Rate Control CBR/VBR
Audio Encoding
Encoding MPEG-1 Layer 2, LC-AAC; DD AC3 passthrough
Sampling rate 48khz
Bit-rate 32Kbps~384Kbps each channel

2 ASI input multiplexed with local 1 channel of TS

PID remapping (automatically or manually)

Accurate PCR adjusting

Generate PSI/SI table automatically

Modulator Section

QAM or ATSC or DVBT or ISDB-T (model dependand) 
DVB-C QAM Standard  J.83A, J.83B

MER ≥43dB

RF frequency  50~960MHz, 1KHz ste

RF Ouput power : 36dbmv

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