Quantum Data M21 portable Video Analyzer / Generator

The Quantum Data M21 is a portable Video Analyzer / Generator for HDMI 2.1 and DisplayPort 2.0 testing. Its portable size and large touchscreen interface offer great ease of use for both engineers in R&D and professional A/V installers in the field. The user interface design and test functions shorten time-to-insight, whether testing individual devices or entire digital video distribution networks.

For HDMI testing, the M21 features both a Tx and an Rx port for video generation and video analysis. For DisplayPort, there are Rx ports; a normal-sized DisplayPort connector and a USB-C connector for DisplayPortP alt-mode. There is a second full DP connector for passive monitoring of the DisplayPort Aux channel.

Video Generator

In HDMI 2.1 video generator mode, you can generate test patterns in all CTA and VESA formats including 8k resolution for UHD testing. Use the library of test patterns to check specific video display elements. Bit depth, pixel encoding, colorimetry and sampling parameters can be set. Use dedicated test patterns to test Range (HDR). Scroll through bitmaps to test motion artefacts. Output HDMI video can in TMDS and FRL video streams up to 48G (12G / lane) in 4 lanes.

Video Analyzer

The M21 Video Display panel provides quick insight when performing routine tests or diagnosing interoperability problems. The M21 display shows the incoming video frames and includes a status bar that provides essential information about the incoming HDMI or DisplayPort video. Essential metadata for video and audio are also available on this display.

The M21 can also emulate HDMI or DisplayPort EDID to test the response of a source. You can use commercial EDIDs or test EDIDs with specific video and audio support. Test with EDIDs with known anomalies, or read an EDID from a UHD TV or repeater and save it for future testing.

The M21 also lets you test HDMI distribution devices such as extenders, repeaters, matrix switches and distribution amplifiers for integrity. You can test individual devices or entire networks, including digital video cables.

Complex interoperability issues require an understanding of the auxiliary channel. You can check the HDMI Display Data Channel (DDC) for FRL link training, EDID exchange, HDCP verification and SCDC read and write.