1 Ch SDI or HDMI HD Encoder - MPEG2/H264

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Description Features Drawings Model Selection Specification Q&A Documents Support

Real Time SD / HD Encoder for 1 HD-SDI or HDMI to MPEG-2 or H.264 on ASI or IP with CC (SDI only) & AC/3

H-1HD-EMS 1 Ch HD-SDI Encoder for IPTV and ASI Distribution
H-1HD-EMH  1 Ch HDMI Encoder for IPTV and ASI Distribution 

Designed as a companion encoder for the popular QAM-IP encoder series of modulators, Thor H-1HD-EMS or H-1HD-EMH series HD program encoder to accept one input of uncompressed HD-SDI or HDMI digital video through a BNC connector or HDMI HDCP Compliant input. Managed through any modern web browser, each encoder can be Independently adjusted for bit rate, codecs, video and image qualities. Encoding support for MPEG-2 or H.264 codec along with Dolby AC / 3 Audio ensures the TS programs generated by this encoder can be viewed by virtually every TV in the United States.

The output stream can multiplex into an ASI output MPTS on mirrored BNC terminals. The ASI output can be directly connected to the ASI input on a QAM-IP digital TV channel modulator. This allows additional programs to be added to the QAM-IP output channels as additional "virtual" or "sub" channels. On a TV this will Appear as channels 2.1, 2.2, etc.

Each digital channel can carry as many as 20 programs, depending on resolution and the encoded bit rate. In addition to the ASI output, the program streams are also available as UDP or RTP network video transport streams. This output is fully compliant with IGMP Multicast UDP MPEG-TS standards and can be easily injected into almost any IPTV system.

The stream is a universally accepted format, and can easily be viewed in client applications such as VLC player. In addition to network management on a dedicated NMS Ethernet port, all configuration settings and menu items can easily be viewed or adjusted from the front panel LCD and keypad. LEDs are also provided for monitoring and alarm input video detection.


  • Any SDI Input 480i / 720p / 1080i up to 3G-SDI 1080p60 H-1HD-EMS
  • Buffered SDI input protect in real time  for any HD format change
  • Any Input HDMI 720p / 1080i / 1080p60 @ H-1HD-EMH
  • HDCP Compliant HDMI Input
  • ASI Input SPTS or MPTS up to 120 Mbps
  • Fully Managed Network through browser
  • MPEG2 or H.264 EVideoEncoding encoding
  • AC3 / MPEG2 / MPEG4 Audio Encoding
  • CC708 On SDI (not on HDMI Version)
  • IPTV Output Unicast or Multicast IGMP UDP, RTP / RTSP
  • Ip output  MPTS  SPTS  over UDP, RTP/RTSP our (RJ45, 100M)
  • ASI Output multiplexer with cherry picking
  • Real-Time MPEG-2 / H.264 Encoder with Low Latency option
  • Independent control for encoding parameters on each channel
  • Supports 708 Closed Captioning Standards for SDI encoder only
  • Supports Dolby AC / 3 audio codac for compliance with US TVs
Model Selection

1 HDMI Input H-1HD-EMH 


1 HD / SD / 3G SDI Input


1 SDI +1 HDMII input  - H-2HD-EMSH



* All Specifiactions Subject to Change Without Notice



Supported Output Resolutions


1080p60, 1080p59.94, 1080p50
1080i60, 1080i 59.94, 1080i50
to 720p60, 720p59.94, 720p50
720i60, 720i59.94, 720i50

video Codecs

MPEG-4 AVC / H.264

audio Codecs
MPEG1 Layer 2
Dolby AC / 3
LC-AAC (optional)
bit Rate
0.8 - 19.0 Mbps CBR or VBR
Advanced Video Features

Input Deinterlacing, Noise Reduction, Sharpening

Supports Closed Captioning Standard 708 ( H-1HD-EMS)

Audio Sampling Rate
48 KHz, 24 bit resolution
Audio Bit Rate
64 - 384 Kbps Each Channel
IP Transport Stream Output

ASI Transport Stream Output

ASI Transport Stream Input

2x ASI Multiplexed Output

1x input for ASI TS multiplexing

Management Interface


Web Based Browser Interface
Full Front Panel LCD Interface

480 x 455 x 45 mm
3.25 Kg
Operating Temperature
0 - 45 C
Question and Answers
I am looking for an encoder with 1 SDI input which delivers DVB ready IP OUT(UDP MULTICAST) I saw this model on your website: 1 Ch SDI or HDMI HD Encoder - MPEG2/H264 I have to send 188 UDP sized packets to the cable provider. Will this model do the job?

Yes this would be the ideal unit. It is commonly used for such applications for SDI to IP, and Yes all our HD/SD MPEG encoders outputs 188 bit packets
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