If you get command not found you must install the alsa-utils package. The following example will send the audio to the ALSA player application: $ nc -l -u 7355 | aplay -r 48k -f S16_LE -t raw -c 1 Or $ nc -l -u 127.0.0.1 7355 Examples Play audio using the alsa player If you don’t see any output, try including the host name or IP in the command line: $ nc -l -u localhost 7355 You can now pipe the output of netcat to other applications, see the next section for examples. You should see a lots of funny symbols scroll through the terminal. You can verify the data is coming through at the opposite end using netcat or nc: $ nc -l -u 7355 Once configured you can start streaming by simply pressing the small network button located left to the audio recording button, see the red marking on the screenshot below. You can enter a host name or an IP address as long as it resolves. This is done in the Network tab of the audio settings window:Īs can be seen on the screenshot the remote host and port number are configurable. Sample format: 16 bit signed, little endian (S16LE)įirst, you must configure the network settings.The streamed audio has the following specifications:
This post describes the streaming functionality in gqrx and provides a few examples for how to use it. This can be used to send the audio to external data decoders or for remote monitoring. Starting with version 2.3 gqrx has an option to stream the audio over UDP to a remote host.
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