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Open digital broadcasting techniques based on software defined radio. Digital radio transmission and development must also become democratized for experimenters and small broadcasters. Opendigitalradio.org wiki is about creating a community for documenting and exchanging experimentations and gather information about existing projects. Please read Introduction for more information.

News:

• The simplest and lowest cost DAB transmitter so far
• New Single Frequency Network feature for DAB on CRC mmbTools free software !!
• CRC has put in GPL a new version of the crc-dabmod modulator including all modes !
• Michael Feilen developed a DRM+ software defined receiver based on ultra low cost RTL-SDR USB sticks
• Some people have started to develop an open driver for the RTL2832u chip, making it the lowest cost open SDR platform ever seen.
• Live DAB+ test transmission in Geneva during the EBU Radio Week 2012 with 100W ERP
• "DAB+ for local/community radio" presentation for Unikom radios in Switzerland

Older news

• Introduction on DAB/DAB+
• DAB/DAB+ encoding: MPEG Layer II or HE-AAC encoding, slideshow encoding
• DAB multiplexing: putting together DAB/DAB+/DMB programs
• DAB modulation: create the baseband COFDM modulation
• DAB hardware: software radio peripheral, filtering, amplification

• Presentation and demonstration of the full open source DAB transmission solution at 2010 WorldDMB General Assembly in Belfast
• First licensed open dab transmission for Label Suisse Festival 17-19 September 2010 Lausanne.
• Demonstration of open source digital transmission chain at IBC, Stand 10.D21 (EBU), 10-14 September 2010
• DAB scripts examples
• How to install CRC DAB+ transmission chain from scratch in Ubuntu 11.04
• DAB+ script and infrastructure used for Kanal Plus ensemble in Denmark
• How to install latest version of gnuradio with CRC MMBtools live CD

• DRM/DRM+ Digital Radio Mondiale, digital radio system for AM bands (LW, MW and SW) and all VHF bands (FM band and others).
• FM RDS transmission (not really a digital system except RDS ;)
• DAB reception (Openmokast and others)
• Crazy techniques using a VGA card as radio peripheral
• Coverage planning

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