HOME Downstream Keyer

HOME Downstream Keyer (DSK) sets a new benchmark in video processing for broadcasters, bringing a higher level of control, flexibility, and compatibility to modern production environments. It is a sophisticated and powerful HOME App for video, with a feature set closer to what a video switcher provides than to what operators expect from a regular downstream keying function.

HOME Downstream Keyer offers comprehensive keying and mixing capabilities to meet production needs and enable additional channel branding within a state-of-the-art, agile infrastructure, based on triggers issued via the VSM control system where desired.

Operators can simultaneously, and independently, transition up to three key layers over an A/B background mix with make-before-break switching.

In addition to six Key and Fill inputs and two background inputs that receive any of the sources available on the network, the app offers two outputs—Program and Preview. The Program output transmits the composition of the selected background and the active Keyers, while the Preview output carries a selectable background source.

Users can force the Preview output to show the Program output’s background without keys, e.g. for clean-feed applications. HOME Downstream Keyer enables any combination of the background mixer signals and Keyers, including the absence of Keyers for pure mixing purposes.

As Lawo’s first video mixing processing app, HOME Downstream Keyer comes with eight ST2110-20 receivers and two ST2110-20 transmitters. Each of the three Keyers can perform Luma, Linear or Self keying for high-end broadcast graphics designed with, or without, transparency and drop shadows.

HOME Downstream Keyer can be deployed in both SDR (1080i/1080p) and HDR (UHD) workflows. It supports SMPTE ST2110 (incl. JPEG XS), NDI, SRT, and Dante AV* transport as required. Like all HOME Apps, it can either be licensed perpetually or solicited on an ad-hoc basis through Lawo Flex Subscription credits.

(*) Available in a future release of HOME Apps, licensable.