Capture · Record · Stream · Encode · DecodeCapture · Record · Stream · Encode · DecodeEDID (Extended Display Identification Data) is the block of data a display gives a connected source to say which resolutions, refresh rates and formats it accepts. In a capture setup the Magewell device takes the place of the display: it presents an EDID to the camera, computer or console, and the source picks its output format from that list. EDID applies to HDMI and DVI inputs only. SDI has no EDID, so an SDI source simply sends the format set in its own menu.
If the source reads the EDID and picks a format you did not want, or one your capture software is not set up for, the result can be no signal, a black picture or the wrong resolution. A custom EDID lists only the formats you want, so the source is told exactly what to send. Most of Magewell’s HDMI capture devices support a custom EDID, including the USB Capture and Pro Capture HDMI models, most Eco Capture HDMI models and the Pro Convert HDMI encoders.
For USB Capture devices, use Magewell’s USB Capture Utility, available from the downloads section of Magewell’s website. It lets you edit and import the EDID of the capture device. Open the Utility, select your device and go to the EDID settings. After changing the EDID, unplug and reconnect the HDMI cable, or restart the source, so that it reads the new list. Contact us if you need the steps for a Pro Capture or Eco Capture card or a Pro Convert encoder.
Source outputs 4K but you want 1080p: Load a custom EDID that lists 1920x1080 and no 4K modes. A source that follows the EDID will then send 1080p.
Computer outputs the wrong refresh rate: Set an EDID that includes only the refresh rates you want.
Game console outputs 1080i instead of 1080p: Use an EDID that leaves out interlaced modes, so the console has only progressive modes to choose from. If it still sends 1080i, check the resolution setting in the console’s own menu, as some sources let a manual setting override the EDID.
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EDID (Extended Display Identification Data) is how a display tells a source which resolutions and formats it accepts. A capture device presents an EDID to the source in the same way. If the source picks a format your setup is not expecting, you can get no signal or the wrong resolution. Most Magewell HDMI capture devices let you customise the EDID, so you decide what the source sends.
On USB Capture devices, use Magewell’s USB Capture Utility, which can edit and import the EDID of the capture device. Pro Capture HDMI cards and most Eco Capture HDMI cards support a custom EDID too. Contact us for the steps for your card.
This is usually an EDID matter. The source reads the capture device’s EDID and chooses a resolution you did not want. Set a custom EDID that lists only the resolution you need, then reconnect the HDMI cable so the source reads it again.
EDID (Extended Display Identification Data) is the information a display gives a source about the resolutions and frame rates it accepts. A capture card stands in for the display, so it must present an EDID that lists the format you want. With an unsuitable EDID, a source may send an unexpected resolution or frame rate. SDI connections do not use EDID.
For USB Capture devices, Magewell’s USB Capture Utility edits and imports the EDID. Magewell’s Pro Capture HDMI cards, most Eco Capture HDMI cards and the Pro Convert HDMI encoders, such as the Pro Convert HDMI Plus, also support a custom EDID. Ask us if you need the procedure for a particular model.
It is very often an EDID matter. Set a custom EDID that lists only the format you want, for example 1080p60 alone if you want 1080p60. A source that follows the EDID then has nothing else to choose.
Yes, on the models whose HDMI input accepts 4K at 60 frames per second. These include the USB Capture HDMI 4K Pro and the Pro Capture HDMI 4K Plus, both of which accept and capture up to 4096x2160 at 60 fps and support a custom EDID. If the rest of your system cannot handle 4K60, a custom EDID limited to 4K30 or 1080p keeps the source within what it can.
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