nrsc5
radiocapture-rf
nrsc5 | radiocapture-rf | |
---|---|---|
22 | 7 | |
767 | 64 | |
1.4% | - | |
6.2 | 4.6 | |
3 days ago | about 2 years ago | |
C | Python | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 only |
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nrsc5
- Nrsc5: Receive NRSC-5 digital radio stations using an RTL-SDR dongle
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Listen to HD radio with a $30 RTL SDR dongle
That decision was made by the original author (Andrew Wesie), but I think it makes sense because nrsc5 only needs a tiny fraction of the functionality that GNU Radio provides. Implementing the functionality directly in nrsc5 avoids the need for a large and complex dependency.
One downside is that we don't get the broad hardware support that GNU Radio provides, but maybe we'll someday take another crack at integrating SoapySDR. (See https://github.com/theori-io/nrsc5/pull/131 for an earlier experiment with that.)
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Why does the spectrum analyzer have a square wave by 102.25 MHz, I see the often in FM broadcasting.
That's HD radio, the sidebands are digital audio. It can be decoded with nrsc5 and an rtl-sdr.
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What is the divergence point of streaming AAC overtaking OTA FM audio quality ?
An article called "Decoding and Listening to HD Radio (NRSC-5) with an RTL-SDR" links to a security researcher's write-up called "Receiving NRSC-5" about how they wrote the software to do it. That links to the actual nrsc5 software on GitHub.
- Square waves in WFM broadcast?
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Looking for a good AM/FM Radio sollution
There is loads of software that will work such as SDR++, GQRX, CubicSDR, and SDRangel just to name a few. For HD radio reception, there is nrsc5. Nrsc5 only works with an rtl-sdr, so you will need one if you want to receive HD radio.
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Can I be tuned in to multiple FM stations at once?
In theory could https://github.com/theori-io/nrsc5 be listening to all hd radio at once?
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Thousands of Mazdas in the Seattle area are stuck on a single FM radio station
HD Radio is closed and proprietary, but there is at least one FOSS receiver out there: https://github.com/theori-io/nrsc5
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What are these bands to the left/right of the two main CBC signals? Not RDS, but appears to be data of some sort? The FM station at 90.7 and 91.5 are both CBC (French & English broadcasts).
NRSC5 is a decoder that I use. If you are on windows there are a couple of extra steps you have to take compile it, but it works well! They have a newer one with a GUI that can also display album art.
radiocapture-rf
- FFT from KrakenSDR source
- SDR APCO25 Phase 2
- Is anyone aware of a USB 3.0 hub that contains multiple USB 2.0 hubs within it?
- I'm giving out microgrants to open source projects for the third year in a row! Brag about your projects here so I can see them, big or small!
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Rtl_power scanner logic
I have something that does basically what you're talking about, in a fairly simplistic way, here https://github.com/MattMills/radiocapture-rf/blob/master/fft_based_scan.sh
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A list of things I could do with SDR
Adding my own software to the list: https://github.com/MattMills/radiocapture-rf
- Does it make sense to see better performance with more attenuation?
What are some alternatives?
sdrangel - SDR Rx/Tx software for Airspy, Airspy HF+, BladeRF, HackRF, LimeSDR, PlutoSDR, RTL-SDR, SDRplay RSP1 and FunCube
rdio-scanner - Rdio Scanner is an open source software that ingest and distribute audio files generated by various software-defined radio recorders. Its interface tries to reproduce the user experience of a real police scanner, while adding its own touch.
nrsc5-gui - A graphical interface for nrsc5
keepassxc - KeePassXC is a cross-platform community-driven port of the Windows application “Keepass Password Safe”.
nrsc5-dui - An enhanced, user-friendly version of nrsc5-gui that is not heavily dependent upon Python processing for audio generation.
rtl-power-fftw - Power spectrum for RTLSDR dongles.
dsd - Digital Speech Decoder
OpenRGB
yellowShoes - nrsc5 (HD FM) radio player
lively - Free and open-source software that allows users to set animated desktop wallpapers and screensavers powered by WinUI 3.
docker-rtlsdrairband - Docker container to run rtlsdir-airband + ice cast to stream ATC audio locally or to a remote server