Waveform monitor has HDMI/HDCP connection

10 April 2013

HDMI-HDCP inputs in the WFM/WVR5250 monitor quality of video and audio in set-top boxes and Blu-ray players.

Waveform monitors and rasterizers from Tektronix now include WFM and WVR5250 models. They are, says the company, the only products in their respective classes to offer HDMI-HDCP inputs that enable broadcasters, operators and equipment manufacturers to directly monitor the quality of the video and audio output of set-top boxes and Blu-ray players. The compact and portable test tools can be used for acquisition, post-production and compliance monitoring.

The majority of video and audio content provided through the HDMI connector on consumer devices is encrypted, using HDCP for copy protection. Only certified HDCP-compliant devices, e.g. the WFM/WVR5250, can provide the necessary decoding. It allows users to have direct access to the data they need to assess the quality of the signal output by any consumer device that uses HDMI interfaces. It can measure the quality and compliance to broadcast and regulatory standards as seen by viewers.

In addition to checking output, broadcasters, operators and equipment manufacturers can use the HDMI-HDCP connectivity to test new set-top box firmware releases in the lab and diagnose interoperability issues. This eliminates the need for dedicated HDMI protocol analysers. Operators can also conduct audio loudness “quick checks” to comply with the EBU – Recommendation R 128 and for ensuring audio quality during live sports events and other programming.

The company is a member of the HDMI Forum Manufacturers Organization which is responsible for the development of HDMI Compliance Testing Specifications.

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