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H.264 Encoder, Recorder & Streamer


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The Kramer KDS-EN3 is an H.264 encoder for HDMI signals up to 1080p60. The KDS-EN3 provides unicast (one-to-one) or multicast (one-to-many) streaming to the KDS-DEC3 decoder or computers running VLC software. KDS-EN3 can also record content to a network drive for later access.

Product Features and Benefits

  • AVC Support - MPEG-4 using H.264 & AAC codecs.
  • Built-in Scaling and Frame Rate Control - For lower bandwidth consumption when distributing over the network.
  • Open Encoding - Enable software decoding through VLC player software.
  • Standard Ethernet Network Operation - 10/100/1000Mb.
  • Video Support - HDMI.
  • Audio Support - HDMI or analog.
  • Streaming Support - Unicast and multicast through RTSP (Real Time Streaming Protocol).
  • KDS-EN3 Manager Software - Allows remote management of the KDS-EN3 network including auto-detection and discovery of KDS-EN3/KDS-DEC3 units on a subnet.
  • Manual & Scheduled Recording - To network storage option on encoders.
  • RS-232 Virtualization - From encoder to decoder.

Product Diagram

Width8.5 in (215.9 mm)
Height1.0 in. (25.4 mm)
Depth3.9 in. (99.06 mm)
Weight0.83 lbs (0.38 kg)
Inputs1 HDMI, 1 unbalanced stereo audio on a 3.5mm mini jack.
Outputs1 HDMI, 1 VGA on a 15-pin HD connector, 1 audio 3.5mm mini jack.
Ports1 Ethernet on an RJ-45 connector, 1 RS-232 on a 9-pin D-sub connector.
ResolutionsUp to 1920x1080p60 and 1920x1200(60Hz).
Compression StandardH.264/Mpeg4 Part 10 (AVC).
ProfilesBaseline, Main, High.
LevelsUp to 4.2.
Bit Rates100Kbps to 25Mbps.
Rate ControlCBR, VBR, adjustable GOP (Group Of Pictures) size
Audio CompressionMPEG4 AAC-LC
Channels2 channel (stereo), HDMI with digital L-PCM audio
Analog Sample Frequency32, 44.1, and 48kHz
Bit Rates96, 128, 192, and 256Kbps
Operating Temperature32 - 104°F (0 - 40°C)
Storage Temperature-40 - 158°F (-4 - 70°C)
Humidity10% to 90%, RHL non-condensing