Generating FM MPX on a Raspberry Pi 3
It’s been possible to turn your Raspberry Pi into a little FM transmitter for quite a while now. Download the right software, attach a wire to the GPIO pin in and you’re broadcasting a...
Category: Broadcast
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...
Sound to Light Christmas
Pop into most radio stations and you’ll soon see Christmas decorations going up in the offices and studios. In most cases, it’ll be some lights, tinsel and maybe even the odd electronic reindeer in...
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...
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...
Protecting that Web Stream with QoS on Cisco ADSL Routers
If you’ve got a broadcast critical web stream to worry about, prioritising it ahead of all other web traffic is an important job. I’ve seen a number of approaches to it over the years. The...
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...
IP for Serial Controlled Audio Switches
It’s not often you talk about systems from the DOS era, especially now that we’re in 2015. However, the DCS playout system used to be shipped with a serial controlled audio router. The router...
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...
Recent Comments