Model 2446

Streaming Video Server with HD image capture
Sensoray Vendor:
  • Details
  • Multiple video output formats
  • Receives and transmits via serial digital interface (SDI)
  • Captures full-size HD (high definition) snapshots without interrupting MPEG recording
  • Transmits HD images with annotations

Model 2446 is a streaming video server. It compresses either standard or high definition video and synchronized audio into an MPEG format and transmits it over an Ethernet connection using the UDP or RTP protocol. The internal CPU runs an embedded Linux operating system, with hardware compression performed by the Model 2246. The encoded video is playable by commercial set top boxes such as the Amino or PC’s running free open source software like VideoLan. The 1U enclosure fits any standard 18” server rack and can be mounted in either direction.

Depending on network conditions, the video into the 2446 can be encoded, transmitted, and displayed by a remote network decoder in less than a second.

On Screen Display (OSD)
Eight separate regions of graphics and/or text can be displayed. A total of 64k pixels is available (32k double buffered). The text style can be selected from any true-type font; graphics are displayed from standard .bmp files. There is an API to place and move graphics anywhere on the screen. OSD graphics may be edited from a remote Ethernet node and viewed by other observers on the network.

Ethernet based streaming is transmitted via transport stream over an Ethernet connection.

Image Processing
The 2446’s scan converter guarantees the DVI output is synchronized to LCD displays. 25 frame/second PAL sources will be displayed at the highest LCD refresh rate. Real-time image down scaling of the HDTV stream prepares it for MPEG compression.

Embedded Linux
The 2446 is pre-configured with an embedded Linux operating system for high reliability and fast response.

Video outputs
Four types of video outputs are available including an SDI video stream containing the bit-map image and text overlays. The interface to an LCD display is via a DVI port and the interface to the host computer is via a USB port. Composite video and S-video outputs are also provided. All outputs are generated and scaled from a common input source.

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