Video Quality Monitoring

BRIGHT stream validator

Check the availability of your streams! Black frame/freeze frame, audio/video loss, and more. Our Dualz BRIGHT stream validator monitors your streams 24×7, and notifies on problems in the streams. All regular protocols are supported (DVB-S, DVB-C, DVB-T, IP, OTT, RF, ASI, IP, HLS, DASH, RTP, RTMP, RTSP, …)  The BRIGHT stream validator performs basic checks to see if the user is able to  experience a valid video/audio stream.
HLS analyzer
The stream characteristics, as well as alarms are sent to the ‘measurement node’. The measurement node is a web server, running locally, or on a remote system. Via web client, the status and characteristics of the streams can be viewed in one overview.
  • SW-only or appliance
  • Stream availability check
  • A/V decodability check
  • Black frame check
  • Freeze frame check
  • Audio silence check
  • Can be combined with MOSAIC multiviewer
  • CC error checks
  • Visual alarm notification
  • Status overview all services
Web GUI HLS analyzer

Do you need full analysis on DVB streams, you might also have a look at our SMART DVB PRO product line .


The BRIGHT stream validator can be extended with recording feature. Stores the incoming feed in chunks of configurable size.

HLS multiviewer

Combine Dualz BRIGHT stream validator with MOSAIC multiviewer in order to show the picture on the video wall while monitoring them 24/7. Don’t miss a defect, and view images to see the characteristics. Visual audio VU Meters, audible audio, and get the image full screen  via double click.

Operating system

The Dualz BRIGHT probe, server application, runs in Linux and Windows. The client user interface runs in Windows.

More information

For more information, free software demonstration or a detailed quotation, please contact us.