Demonstration of open source digital transmission chain at IBC
From Opendigitalradio
A demo was builded to show RadioDNS mechanism, to achieve this the open source platform was used to produce FM, DRM and DAB signal over the IBC in Amsterdam. CRCmmbtools, Spark, and GNUradio in general were at the party ! A license was granted by the Netherlands regulation organism. An EIRP of 10 Watt was covering the site. Everything was included in a single 8 cores computer (2x 4 cores CPU's). Sound processing, Audio encoding & DMB, Multiplexing, Modulation, pre filtering for the DAB, + FM with RDS and DRM !
Various receivers from smart phone to more classic devices were displayed during this setup to demonstrate the on site produced content (audio + enriched metadada like picture & text).