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Top 14 C++ rtl-sdr Projects
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There's an issue open for this: https://github.com/gqrx-sdr/gqrx/issues/1104
I could really use some help from a software build expert. Gqrx and all its dependencies would need to be built in CI with Apple silicon support, and I don't know how to do that.
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sdrangel
SDR Rx/Tx software for Airspy, Airspy HF+, BladeRF, HackRF, LimeSDR, PlutoSDR, RTL-SDR, SDRplay and FunCube
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You're all correct, except there are not that many $30 SDRs out there. Also, most SDRs have clearly superior capabilities to the RTL-SDR, though those capabilities often are not required.
BTW, for simple AM/FM demodulation I cannot recommend enough the handy https://github.com/charlie-foxtrot/RTLSDR-Airband. For example most of LiveATC.net feeds run on it.
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Bonus: Check out https://github.com/shajen/rtl-sdr-scanner-cpp I've been experimenting with this and got it to work with the RSP1A it can record everything within it's allowed bandwidth and pull out / label calls... It even uses a small AI feature to differentiate between speech and noise (mileage may very). Good luck on your journey!
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AIS-catcher
AIS receiver for RTL SDR dongles, Airspy R2, Airspy Mini, Airspy HF+, HackRF, SDRplay and SoapySDR
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airspy-fmradion
Software decoder for FM/AM broadcast radio with AirSpy R2 / Mini, Airspy HF+, and RTL-SDR
I have a little hobby project where I record an FM radio music station using a SDR and then remove all the non-music portions for offline listening. I like the music selections the DJs pick, but I prefer not to listen to the DJ commentary and the advertisements.
I evaluated three methods of recording: analog capture from a standalone FM receiver, using this nrsc5 library to record the "HD" radio stream, and using an AirSpy SDR with this library: https://github.com/jj1bdx/airspy-fmradion
Recording the "HD" (what a misnomer) radio was nice in that there was no hiss or multipath effects, but in comparison to the other methods the digital compression artifacts became impossible to un-hear. It seems to top out at about 96 kbps
The airspy-fmradion library has some nice stuff in it to address multipath, resulting in the best audio quality of the three methods I tested.
I use https://github.com/ina-foss/inaSpeechSegmenter to identify which segments of the recordings are speech vs. music.
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ rtl-sdr discussion
C++ rtl-sdr related posts
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Rtl-sdr or sdrplay RSP1A
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SDRangel release
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Anyone running rtl-sdr-scanner on macOS?
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SDRangel: Explore the electromagnetic spectrum with open source SDR software
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WXtoimg alternatives
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SDR and software for Mac
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Sdr angel (on Samsung galaxy s10 or some shit)
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Index
What are some of the best open-source rtl-sdr projects in C++? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | gqrx | 3,043 |
| 2 | sdrangel | 2,875 |
| 3 | CubicSDR | 2,056 |
| 4 | gnss-sdr | 1,588 |
| 5 | wmbusmeters | 904 |
| 6 | RTLSDR-Airband | 754 |
| 7 | rtl-sdr-scanner-cpp | 628 |
| 8 | AIS-catcher | 483 |
| 9 | redsea | 390 |
| 10 | blah2 | 255 |
| 11 | rtl-power-fftw | 157 |
| 12 | airspy-fmradion | 137 |
| 13 | DAB-Radio | 27 |
| 14 | rtlmuxer | 15 |
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