Demonstration of open source digital transmission chain at IBC

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). A real radio small radio station was builded on the stand using Musicmaster music scheduling. Flash info and live pictures from the place were possible.

Event pictures:

• Building the setup, adjustments & debuging...

The antenna for the Band III. (we were operating on the channel 10A)

• The setup, later when cleaned !

• The transmission platform: Software Radio Defined Everywhere !

• A closer look: PC, USRP's (3x, the third one was on the back) amplifier and mask filter.

• Mask filter.

• One of the 3 views (screen) on the unique machine, this one is the DAB screen.

(Audio capture with Jack, Sound processing, audio encoder, DAB multiplexing and COFDM modulation with pre filtering)

• Production platform !

Live from IBC2010 !

• DAB with MOT slide-show on the Iriver B20.

• FM with RadioDNS on the Sony-Ericson Xperia.

• FM with RadioDNS on the Nokia N900.

• FM with RadioDNS on Chumby One.

• DAB with RadioDNS on Pure Sensia.

• DAB with RadioDNS on Pure Sensia.

• DAB with RadioDNS on Pure Sensia with live pics from the stand.

• DAB on Iphone via a 'Broadcast Hotspot' from Argo One (Digital receiver with WiFi AP to rebroadcast the free to air signal on a tuner less device)

• DRM with Slide-Show.