D/Line Radio Blog

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Playing the Music You Want to Hear

I once heard someone say that there are two things in volunteer radio stations that can cause big arguments – jingles and music. While I do believe that’s somewhat unfair, experience tells me music...

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Calling in the Foreman

For what feels like a really long time now, configuration management systems such as Puppet have been the norm. Even in a small charity I do work for I’ve had it deployed for managing...

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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...

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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...

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Patch Management in the Linux World

At one radio station I volunteer for, we’re mainly a Linux shop. Rivendell provide playout, Icecast streams the audio and it’s Debian on the desktop. With the small number of systems involved, keeping them...

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It’s Getting Meta in My Router

Virtualisation has really taken over the world of IT. In the day job, I don’t buy new servers, I ask for a VM to be provisioned on an existing VM cluster. Even in the...

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Who’s using my bandwidth?

It’s one of those questions you often don’t think about until you start running into problems. You’re hitting the bandwidth limit of some link but not sure what to blame it on. The pretty...

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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...