Hi everyone,
I put together a Wiki page summarizing how to use an RTL-SDR dongle along with rtl-airband and PulseAudio to send audio from one or more demodulated FM channels to one or more instances of TwoToneDetect and/or the Pi speakers. I used TwoToneDetect as an example on the page but this method applies to any software that can use PulseAudio as an input source (streaming software, etc.)
The main limitation on number of simultaneous channels that can be monitored/demodulated is the RTL-SDR bandwidth. At some point processing power may become an issue, but the Pi 4 especially has quite a bit of horsepower...I'd be surprised if anyone runs into a limitation there.
If you see any errors or run into issues, feel free to update the Wiki page with corrections or findings.
Andy
I put together a Wiki page summarizing how to use an RTL-SDR dongle along with rtl-airband and PulseAudio to send audio from one or more demodulated FM channels to one or more instances of TwoToneDetect and/or the Pi speakers. I used TwoToneDetect as an example on the page but this method applies to any software that can use PulseAudio as an input source (streaming software, etc.)
The main limitation on number of simultaneous channels that can be monitored/demodulated is the RTL-SDR bandwidth. At some point processing power may become an issue, but the Pi 4 especially has quite a bit of horsepower...I'd be surprised if anyone runs into a limitation there.
If you see any errors or run into issues, feel free to update the Wiki page with corrections or findings.
Andy
