Reading Cart Chunk with PowerShell
Look at the audio files in any professional radio playout system. They’ll likely be linear WAVE files with the associated metadata stored in the cart chunk format. With this information it’s usually enough to...
Category: Audio
Pretty LEDs
Looks at photos modern radio studios in the UK and you’ll see two things. Firstly, there’s all those TV screens hung on walls to deliver dynamic branding. They may look the part but the...
What’s the story on webRTC?
Ask some people, and they’ll claim webRTC isn’t making great inroads. In fact, a podcast I heard recently triggered me to actually write this article. After all, it’s a technology that’s helping change a...
Low Power DAB Multiplex
In case you’ve not noticed, we recently saw the first trial low power DAB multiplex launch in Brighton. It’s part of a nine month technical trial covering three possible technical options. The first of...
Getting the Right Sound
You’ve just gone out and bought a shiny new audio processor for your radio station. It may have every feature under the sun, but you’ll still need the same techniques and knowledge used on...
OpenSIPs in the DMZ
You’ve got your brand new broadcast IP codec. A pair of them really, one inside the network and the other outside. How do you make them talk to each other? Admittedly, it could be...
SIP Audio Codecs – Are They the Future?
In the past, if you wanted broadcast quality audio on an OB, you had to book and ISDN months in advance at a fairly non-negligible cost. Even more costly was broadcasts really remote locations...
Logging Output with LiquidSoap
In ye olden days, logging of station output used to occasionally involve a stack of VCRs, long play tapes and presenters tasked with swapping out tapes. Nowadays, everything is done on a computer. It...
Two Processors One FM Service
It’s something you’re always advised against. Having two processors on a single transmission chain can result in the two of them “fighting” if you don’t know exactly what you’re doing. That said, even one...
Raspberry Pi STL in a Box
I promised more details in the future about the Raspberry Pi STL build. Well, against all odds, I’m going to deliver! The project exists purely to solve a problem with getting audio between two...
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