After Roxi, a UK-based music connected TV app, announced it was launching the first interactive music channels for ATSC 3.0, we have learned that the company’s FastStream Technology will be deployed with all members of Pearl TV, the collaboration of US broadcasters. As a recap, when a user tunes into the IP video stream of one of Roxi’s interactive channels, FastStream downloads—without user intervention—a transient app in the background that allows the time-shifting functionalities on the music channel to be activated within a matter of 3 seconds after the user begins watching the channel. If the user flicks channels, the app is deleted, and will be re-downloaded on return to the channel. Both Roxi CEO Rob Lewis and CTO William…