Parsing Wave Files in Python
It sounds like a simple task – grab some WAVE audio files and parse them so we can read the metadata and samples in Python. I mean, the WAVE (really, RIFF with WAVE) format...
Category: Audio
Building an AM Transmitter with HackRF One
There’s something quaint and old fashioned about AM radio. The muffled drifting in an out as you drive down the road, the cacophany of noise attacking your ears attempting to listen at night and...
Radio Station Mobile Apps – My Experience
It’s funny, I speak to developers and occasionally (jokingly!) get brushed off as an unknowing infrastructure support type. That’s despite writing code for over 20 years, a Computer Science degree that imprinted the “Gang...
Compression, Loudness and Coverage – A Trade Off
It was always touted as the thing you wanted to be – the loudest on the dial. It was even said on occasion that it could help improve your coverage in rough patches. This...
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...
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...
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