airspy-fmradion
openwebrx
airspy-fmradion | openwebrx | |
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4 | 28 | |
132 | 935 | |
- | - | |
9.1 | 9.5 | |
17 days ago | about 2 months ago | |
C++ | Python | |
GNU General Public License v3.0 only | GNU Affero General Public License v3.0 |
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airspy-fmradion
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Listen to HD radio with a $30 RTL SDR dongle
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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How to receive and record fm radio in stereo on the command line
Alternatively, use airspy-fmradion:
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Ubuntu 20.04 SDR FM retransmit to a single user
You might want to look into using https://github.com/jj1bdx/airspy-fmradion instead of rtl_fm for stereo.
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FM stereo decoder? (Linux, command line)
You can use https://github.com/windytan/wfm-tools together with rtl_fm to get stereo, though I prefer https://github.com/jj1bdx/airspy-fmradion
openwebrx
- WebSDR – internet connected Software-Defined Radios
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Solution to stream audio to server (shoutcast or such) AND have control over frequency and modulation
Have you tried OpenWebRX?
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Caught an ISS flyover on 2 meters purely by random 😁🧑🚀
I'm using OpenWebRX connected to five different USB SDR receivers.
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What I ordered from AliExpress and what they sent me, lol
https://github.com/luarvique/openwebrx https://github.com/jketterl/openwebrx https://github.com/trickv/openwebrx https://github.com/oe2lsp/simple_openwebrx https://github.com/micfuc/openwebrx_E_micfuc
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RAW IQ RF Data (real-time) sources?
https://www.openwebrx.de might be an alternative
- Help\ideas for base station, some guidance needed
- Websdr.org – Software-Defined Radio receiver connected to the internet
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RTLSDR server?
Depending on what your use case is, but i would suggest headless linux with https://github.com/jketterl/openwebrx for basic usage or some remote server like rtl-tcp, SoapyRemote or whatever is your jam.
- Recommendations on projects with rtl-sdr
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trying to brew up a sdr server on a LibreOffice Pi clone
https://www.openwebrx.de/ works on my Pi3b. Should run on that as well.
What are some alternatives?
AIS-catcher - AIS receiver for RTL SDR dongles, Airspy R2, Airspy Mini, Airspy HF+, HackRF, SDRplay and SoapySDR
RTLSDR-Airband - Multichannel AM/NFM demodulator
luaradio - A lightweight, embeddable software-defined radio framework built on LuaJIT
iptv - Collection of publicly available IPTV channels from all over the world [UnavailableForLegalReasons - Repository access blocked]
sample-icecast-noaa - A sample docker setup for streaming NOAA radio from a USB RTL-SDR dongle to Icecast, so you can listen tp it as an m3u stream.
LibSDR - LibSDR is easy to use, low latency, and modular Software Defined Radio library, fully written in C# .NET code with no external dependencies or processes.
ezstream - [Mirror] A streaming source client for Icecast
syncthing-android - Wrapper of syncthing for Android.
wfm-tools - Some DSP tools for FM demodulation
tools - Utilities
gnss-sdr - GNSS-SDR, an open-source software-defined GNSS receiver
Hakatime - Wakatime server implementation & analytics dashboard