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Epiphan Lecture Recorder image

Epiphan Lecture Recorder

Frequently Asked Questions

  1. Can Lecture Recorder capture DVI/VGA and composite video simultaneously?
  2. Does Lecture Recorder work with the Gigabit Ethernet interface only?
  3. How many frames per second can Lecture Recorder capture?
  4. Does Lecture Recorder reduce the resolution of the images it captures?
  5. Can Lecture Recorder function over a Local Area Network (LAN) or does it need a constant Internet connection?
  6. The video mode that I am using is not listed in the list of supported modes for Lecture Recorder. Can Lecture Recorder capture it?
  7. How can I configure the Lecture Recorder?
  8. What compression does Lecture Recorder use?

1. Can Lecture Recorder capture DVI/VGA and composite video simultaneously?

No. As Lecture Recorder has one video input, it can capture either DVI, VGA, or composite video, but not a combination of these signals. Lecture Recorder can, however, capture an analog audio signal alongside a video signal.

2. Does Lecture Recorder work with the Gigabit Ethernet interface only?

The currently shipping Lecture Recorder performs on-board compression such that a 100 Mbps network connection should provide enough capacity for effective transmission of video content. Previous versions of Lecture Recorder performance recommended a GigE network connection.

3. How many frames per second can Lecture Recorder capture?

The capture rate of the Lecture Recorder depends on how much change happens from frame to frame. Thus, the capture rate for a signal with a lot of movement will be lower than the capture rate for a signal with little movement. Please refer to the specifications for maximum capture rates.

4. Does Lecture Recorder reduce the resolution of the images it captures?

No. Lecture Recorder captures and transfers every pixel of the original VGA frame in 24-bits-per-pixel, 8:8:8 format. In this respect, Lecture Recorder provides diagnostic-quality images - superior to other solutions such as analog video conversion and transfer.

5. Can Lecture Recorder function over a Local Area Network (LAN) or does it need a constant connection to the Internet?

Lecture Recorder can function as a stand-alone device and does not need to be connected to a LAN or the Internet. However, if connected to a LAN or the Internet, the Lecture Recorder can automatically archive the recordings it makes to an FTP server. As well, a connection to a LAN or the Internet allows the user to remotely manage and access the recordings that Lecture Recorder makes.

6. The video mode that I am using is not listed in the list of supported modes for Lecture Recorder. Can Lecture Recorder capture it?

Please contact us. We are always looking for ways to improve our system and may be willing to add support for this mode.

7. How can I configure the Lecture Recorder?

Although the Lecture Recorder is a simple "plug-and-play" device, configuration can be performed through an intuitive web interface.

8. What compression does Lecture Recorder use?

Lecture Recorder is compatible with many different video compression formats and codecs. The compression to be used for recording can be set by the user.