RADIO PLAYOUT CODE
Alas, I have reception issues at my house – so the code lies dormant for now. Only want to decode RDS and store everything in a database? I’ve written a little Python script to decode the RDS from the Pira FM Analyser.
RADIO PLAYOUT GENERATOR
The PWM generator on the Pi is capable of outputting FM signals, so four people have worked on an FM transmitter with in-built RDS. Want to transmit a FM station from a RaspberryPi with RDS? Of course you do! Try the aptly named PiFmRds.
RADIO PLAYOUT SOFTWARE
James Harrison has been building OpenOB – software to replace the traditional hardware IP codecs used at Outside Broadcasts and Remote Broadcasts. It supports multiple stations and even gets Album Art from the iTunes Store! Audio over IP
RADIO PLAYOUT PRO
Try Swift Radio Pro – a template radio app that’s ready to configure and release. Need an iOS app for your radio station? GitHub has got you covered.
There’s actually a tonne of SDR projects on GitHub – check them out. Welle is just one of many Software Defined Radio packages, designed to receive and decode DAB+ signals. What if you don’t have the licence to transmit DAB+? Well, you can receive it with open source software too. Who needs racks of proprietary equipment (well, servers with various cards in them) when you can encode DAB+ end-to-end with open source software?! Enter Open Digital Radio – developers of open source software to Encode, create PAD, Mux, and Modulate. The people who created Icecast are also advocates of open source codecs such as Opus. The project’s been shut down several times, and revived, and shut down again. Stream Encodingīack in the good ol’ days, everyone used EdCast as a stream encoder.
It’s a web-based radio management system that allows you to create and stream auto-generated music playlists. Forks can still be merged back, and aren’t always a bad thing.ĪzuraCast is a similar system to AirTime. Generally, it needs to maintain the licence of the original project (and stay open source). This is basically a copy they can do their own thing with. Sidenote: What’s a fork? When the community gets dissatisfied with the direction of the project, they can create a fork. AirTime (and it’s fork LibreTime) are designed as web-based automation systems primarily Internet radio stations. There’s also some other options for a more internet-centric stations. Rivendell has been around for a long time, and there’s a lot of people who use it. Like many systems, it’s designed to handle the acquisition, management, scheduling and playout of audio content. Rivendell is a Linux-based automation system. There’s a few free ones, plenty of expensive commercial system, but not many Open Source Radio Playout Systems. Pretty much every radio station these days has a computerised playout system. Saschaludwig’s OnAirScreen is similar, but it a bit more configurable and allows you to control it via UDP commands. Because it’s open source, I’ve created a version which receives GPIO from Livewire. It uses the GPIO on the Raspberry Pi to trigger four indicator lights. PirsClock is the first one I came across, and I’ve played around with it a bit. Why buy a clock and on-air light, when you can use a $50 RaspberryPi and a cheap TV? There are currently two projects to fill this void. Every radio studio needs a good heads-up display.
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