Beagle Bone, DSP, fm scan, http://schemas.google.com/blogger/2008/kind#post, IIR, rtl_fm, scipy numpy

Using FFT to scan for FM channels with RTL_SDR

Recently, my brother got selected for the “Beagle Bone radio challenge” road test by element14. As part of this challenge, the selected individuals had to build a working radio using the components provided by element 14. I’ve decided to help my brother a little with a feature called “scan”. This post is going to be how we got the “scan” feature to work. This feature scans the available FM channels.
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